Home

Avaya Configuring IPX Services User's Manual

1. Table C 1 Service Types and Identifiers Hexadecimal Service Type Identifier Wildcard FFFF Unknown 0000 User 0001 User Group 0002 Print Queue 0003 NetWare File Server V3 x 0004 Job Server 0005 Gateway 0006 Print Server 0007 Archive Queue 0008 Archive Server 0009 Job Queue 000A Administration 000B Diagnostics 0017 NetBIOS 0020 NAS SNA Gateway 0021 NACS 0023 114051 Rev A C 1 Configuring IPX Services Table C 1 Service Types and Identifiers continued Hexadecimal Service Type Identifier Remote Bridge Server 0024 Bridge Server 0026 TCP IP Gateway Racal Datacom 0027 Eicon X 25 Point to Point GW 0028 Eicon 3270 Gateway 0029 CHI Corp 002A Unknown 002C Time Synchronization Server 002D Archive Srvr Dynamic SAP SMS TSA 002E DI3270 Gateway 0045 Advertising Print Server 0047 TCP IP Gateway Racal Datacom 0048 Unknown 004A Btrieve VAP 5 x 004B NetWare SQL VAP NLM 004C Xtree Network Version 004D Btrieve VAP 4 x 0050 QuickLink Cubix 0052 Print Queue User 0053 ARCserve VAP 0055 Eicon X 25 Multi Point Gateway 0058 ARCserv 0064 ARCserve 3 0 0066 WANcopy Utility 0072 Cheyenne ARCserv 5 0 Intel 0077 C 2 114051 Rev A Common Service Types and Identifiers Table C 1 Service Types and Identifiers c
2. Tick Delay 5 Tick Delay 5 ee ee l TL Tick Delay 5 Tick Delay 5 Network B IPX Server Tick Delay 5 Tick Delay 5 IPX0006A IPX Multipath Routing Equal Least Cost Routes Because of the round robin algorithm IPX packets that belong to the same data stream may require resequencing at their ultimate destination Therefore higher layer protocols such as SPX must be used in both source and destination IPX routers to provide packet resequencing To derive maximum benefit from this feature the source and destination nodes should support burst mode operation Load Redistribution and Rerouting If the router with multipath enabled detects a failure it temporarily redistributes the IPX traffic among the remaining active original least cost routes When the router learns through RIP packets of the existence of an alternative least cost route or when the failed route returns IPX multipath returns to its original IPX traffic distribution Multipath Route Precedence Priority The multipath mechanism generally uses the best path first However when two equal cost paths exist multipath uses the following priority scheme for route selection 5 6 114051 Rev A
3. Figure A 15 IPX Static Service Configuration Window Parameter Service Name Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv gt Add Default None Options Any valid Novell NetWare server name Function Assigns a symbolic name to the service you want to advertise Instructions Use the actual name of the server that the clients will attach to It helps if this is a name meaningful to the network administrator The name must be unique among all names assigned to IPX servers of the same type on the IPX internetwork See the documentation that came with your NetWare operating system for guidelines on specifying a server name MIB Object ID 1 3 6 1 4 1 18 3 5 5 23 1 5 A 58 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Service Type hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv gt Add None Any valid Novell server type number in 4 digit hexadecimal format The number must be a value between 0x0001 and OxFFFE inclusive Specifies the type of service to advertise from the associated IPX LAN interface for example 0x0004 for fileserver 0x0007 for printerserver Enter the server type number in 4 digit hexadecimal format Include leading Zeros 1 3 6 1 4 1 18 3 5 5
4. Circuit Type WAN Protocol Bay Networks Terminology Synchronous These protocols apply to all V 35 these circuit types RS 232 V 24 ATM SNAP RS 422 423 Frame Relay SNAP X 21 PPP PPP T1 Fractional T1 SMDS SNAP E1 Fractional E1 X 25 Point to Point ETHERNET X 25 PDN RFC 1356 Bay Networks Point to Point ETHERNET HSSI ATM SNAP Frame Relay SNAP PPP PPP SMDS SNAP Bay Networks Point to Point ETHERNET ISDN PPP PPP 114051 Rev A IPX Concepts You can use these tables when you select an encapsulation method on the IPX Configuration window For more information about the encapsulation method refer to Configured Encaps on page A 4 Types of IPX Configurations The basic types of IPX configurations are e Standard with two possible configurations Multiple Host Router This common configuration supports one IPX interface per circuit each interface has a unique IPX host number Single Host Router This configuration supports one IPX interface per circuit every interface shares the same global boxwide IPX host number e Special also with two possible configurations Multiple Interfaces per Circuit This special configuration supports as many IPX interfaces per circuit as there are frame encapsulation types for the given circuit type Multiple Circuits per Segment This special configuration supports either concurrent bridging and IPX routing or IPX mult
5. Once you have configured SAP filters you can easily drop all services to allow one or more specific services To drop all services apply a filter at a low priority 114051 Rev A 5 63 Configuring IPX Services Example In the IPX Service Network Filters window enter the value OxFFFFFFFF for the Target Network parameter the value OxFFFFFFFF for the Target Network Mask and set the Action parameter to Suppress Site Manager Target Network hex parameter page A 67 Site Manager Target Network Mask hex parameter page A 67 Site Manager Action parameter page A 69 Add the filters you want by specifying higher priorities to advertise specific services Example Enter the value 0x3081be86 for the Target Network parameter the value OxFFFFFFFF for the Target Network Mask parameter the value 0x0004 for the Target Service Type parameter and set the Priority parameter to 1 Site Manager Target Network hex parameter page A 71 Site Manager Target Network Mask hex parameter page A 72 Site Manager Target Service Type hex parameter page A 72 Site Manager Filter Priority parameter page A 73 Editing Service Name Filter Parameters The service name filters function lets you reduce network traffic by configuring service name filters The IPX Service Name Filters window displays each service name filter entry in the router configuration as follows lt filter rule_no gt lt filter_priority gt
6. Listen Supply specifies that this interface both listens for and supplies SAP updates as described in the following items Listen specifies whether this interface listens to SAP Periodic and Triggered updates from neighboring networks and conveys received SAP services information to its internal SAP services table Supply specifies whether the interface transmits all SAP Periodic and Triggered updates to routers in neighboring networks 1 3 6 1 4 1 18 3 5 5 33 1 6 Parameter Pace Path Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Default 18 Range 0 to 1000 Function Specifies the maximum pace in packets per second at which SAP packets can be sent on this circuit A value of zero means that there is no limit on the pace Instructions Accept the default or specify an integer value up to 1000 MIB Object ID 1 3 6 1 4 1 18 3 5 5 33 1 7 114051 Rev A A 41 Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Update Interval sec Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP 60 0 to 2678400 Adjusts the frequency in seconds of SAP update packet transmissions for this circuit The higher the number you enter the less frequent the transmissions If you enter zero no periodic updates are sent out over the IPX inte
7. Configuring IPX Services Router Software Version 11 0 Site Manager Software Version 5 0 Part No 114051 Rev A August 1996 Bay Networks Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1988 1996 Bay Networks Inc All rights reserved Printed in the USA August 1996 The information in this document is subject to change without notice The statements configurations technical data and recommendations in this document are believed to be accurate and reliable but are presented without express or implied warranty Users must take full responsibility for their applications of any products specified in this document The information in this document is proprietary to Bay Networks Inc The software described in this document is furnished under a license agreement and may only be used in accordance with the terms of that license A summary of the Software License is included in this document Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Notice for All Other Executive Agencies Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction
8. Customizing IPX 1 Direct routes paths to other routers on a segment directly attached to the local router 2 Routes learned via RIP 3 Statically configured routes Multipath Configurations You can establish equal cost multipath routes over LAN or WAN segments to support IPX traffic between routers and between routers and servers The slower the interconnecting LAN or WAN links the more difference using multipath will make in client server throughput Multiline Circuits The multiline circuits feature allows a single circuit to be composed of up to 16 individual synchronous network data paths Multiline circuits support provides a level of redundancy not available through conventional single line circuit configurations The multiline circuits feature ensures routing circuit availability in the event of a single data path failure Equally important the multiline circuits feature provides increased bandwidth between two sites without the circuit management complexities associated with multiple circuits Once you ve configured and enabled the circuit the use of multiple data paths to form a single circuit is transparent to both network management and the end user community Multiline circuits provide the following methods for transmitting traffic over their data paths e Address based data path selection e Random data path selection Address based data path selection determines the path a packet traverses based on its so
9. IPX0008A Figure 5 6 Split Horizon Disabled in a Nonfully Meshed Network If you disable IPX Split Horizon IPX sends all router services over nonfully meshed Frame Relay and X 25 topologies For example as shown in Figure 5 6 Router A propagates RIP and SAP packets pertaining to Router B to Router C and vice versa As a result endstations on Network 2 can learn about Network 3 and endstations on Network 3 can learn about Network 2 When Split Horizon is enabled for an interface routes learned on that interface are not advertised out that interface Site Manager Split Horizon parameter page A 38 5 22 114051 Rev A Customizing IPX Updating Routers About a Failed Route By default when a circuit goes down on a router the router immediately propagates this status change to other routers in the internetwork This facilitates network traffic by letting routers know immediately about new or failed routes When you disable the RIP Immediate Update parameter other routers learn about such changes only at the next periodic update interval Site Manager Immediate Update parameter page A 38 Advertising Default Routes in RIP Packets A RIP packet does not normally include a default route that exists in the routing table Enable the Default Route Supply parameter if you want to advertise the default route in a RIP packet Site Manager Default Route Supply parameter page A 39 Accepting D
10. A 84 114051 Rev A IPX Parameters Parameter Cost Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter Default 1 for hop or tick based routing Options 1 to maximum positive integer if tick based routing is enabled 1 to one less than the value specified in the Maximum Hops parameter if hop based routing is enabled Function Used only when the Action parameter is Advertise Accept this parameter assigns a cost for routes matching this filter A zero cost indicates that the route s actual cost should be used This parameter sets the cost number of ticks or hops for this interface The cost is included in subsequent SAP packets sent to other interfaces IPX disposes of the packet when its hop count passes a value that is one less than the value of the Maximum Hops parameter This value must be the same across the network Instructions Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router If the filter is an inbound filter the entered cost replaces the cost associated with the server in the SAP advertisement and the router uses this cost in its calculatio
11. Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Maximum Hops Configuration Manager gt Protocols gt IPX gt Global gt Advanced 16 hops 1 to 255 hops Specifies the maximum number of hops an IPX packet may take to reach its destination Accept the default 16 or specify an integer in the range 1 to 255 In the case of RIP every node in the network should use the same Maximum Hops parameter value 1 3 6 1 4 1 18 3 5 5 16 1 7 Destination Count Configuration Manager gt Protocols gt IPX gt Global gt Advanced 0 0 to 5000 destinations Specifies the maximum number of destinations networks that the user expects the router to learn IPX uses this value to preallocate table sizes for forwarding and network tables If you specify zero the default value IPX dynamically allocates the amount of memory it needs for the tables Changing this value can greatly affect the memory use by IPX but it can also speed learning time for the router Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for ne
12. Example Set Bay Networks Trap Monitor Filters Separates menu and option names in instructions and internal pin to pin wire connections Example Protocols gt AppleTalk identifies the AppleTalk option in the Protocols menu Example Pin 7 gt 19 gt 20 Indicates that you enter only one of the parts of the command The vertical line separates choices Do not type the vertical line when entering the command Example If the command syntax is show at routes nets you enter either show at routes or show at nets but not both Acronyms AUI Attachment Unit Interface ARE All route explore ATM Asynchronous transfer mode BOOTP Bootstrap Protocol BRI Basic Rate Interface CCITT International Telegraph and Telephone Consultative Committee now ITU T CSMA CD carrier sense multiple access with collision detection DLCMI Data Link Control Management Interface GUI graphical user interface 114051 Rev A xix Configuring IPX Services HDLC IP IPX ISDN ISO ITU T LAN MAC MAU MDI X MIB NBMA NCP OSI OSPF PDN PPP RIF RIP SAP SMDS SNMP SPX SRE STP TCP IP TELNET TFTP TPE UTP WAN high level data link control Internet Protocol Internet Packet Exchange Service Integrated Services Digital Network International Organization for Standardization International Telecommunications Union Telecommunications formerly CCITT local area network media access control media access unit media dependent interfa
13. IPX Service Name Filter Configuration WindOW ccceeseseeeeees A 79 IPX Service Name Filters Window Se re ere A 81 Sampie IPX GAM QUESMON cccsasdccestdesctassinsaccesteviasorssitancdae salaceusiannteceees D 2 114051 Rev A Tables Table 2 1 LAN Circuit and Frame Support for IPX Interfaces o on 2 4 Table 2 2 WAN Circuit and Frame Support for IPX Interfaces n 2 4 Table 4 1 Configuration Table for IPX Over WAN Media ccccceteeeeeesssteeeeens 4 11 Table 5 1 Characters in SAP Pattern Matching Filters cecceseceeeereeesteeeeeees 5 59 Table 5 2 Concatenation Rules and Operators cccceescceceseeceeseeeeeeeeeeaeeeseaees 5 61 Table B 1 IPX Global Parameter Default Values cccccecceeeceesestteeeesessteeeeeseeaaes B 1 Table B 2 IPX Advanced Global Parameter Default Values cccceececsseeeeeeenees B 2 Table B 3 IPX Interface Parameter Default Values EE E E AI N B 3 Table B 4 IPX Change Circuit Parameter Default Values ccceeeeeesseeeeeeenaes B 4 Table B 5 IPX RIP Circuit Parameter Default Values ooo eee ceeeececesteeeeeeeseeeeeseaaaes B 4 Table B 6 IPX SAP Circuit Parameter Default Values ccceceecesteeeeeeesteeeeeeeeaes B 5 Table B 7 NetBIOS Static Route Configuration Parameter Default Values B 6 Table B 8 IPX NetBIOS Static Route Parameter Default Values cceeeees w B 6 Table B 9 Adjacent Host Con
14. IPXCP 4 9 IPXWAN 4 10 load redistribution and rerouting 5 6 load sharing 5 4 5 6 5 12 Local IPX watchdog acknowledgment 5 44 Log Filter advanced global parameter A 15 logical LAN 3 3 logical network address 3 3 MAC Address Override parameter 3 9 MAC Address Select parameter 3 9 Maximum Hops advanced global parameter A 16 Maximum Path advanced global parameter A 15 IPX advanced global parameter 5 5 Maximum Path Splits advanced global parameter A 15 Multicast Address IPX interface parameter A 27 multiline 2 5 multiline circuits 5 7 differences from multipath 5 8 multipath configurations 5 7 multipath routing 5 4 5 12 A 15 precedence priority 5 6 multiple circuits per segment 2 5 Multiple Host Address Enable parameter 3 5 multiple interfaces per circuit 2 5 multiple IPX interfaces per circuit 2 3 multiple host router 2 5 3 5 N Name IPX interface parameter A 22 NCP Network Control Protocol 4 2 NDS NetWare Directory Services 5 24 Nearest Server Reply IPX SAP circuit parameter A 43 negotiation IPXCP link 4 9 IPXWAN connection 4 3 IPXWAN link 4 10 NetBIOS broadcast packet Type 20 5 33 Type 20 broadcast packets 5 12 NetBIOS Accept 5 37 Index 4 114051 Rev A IPX interface parameter A 26 NetBIOS broadcast filtering 5 37 NetBIOS Deliver 5 37 IPX interface parameter A 26 NetBIOS packet filtering 5 39 use with nonstandard stati
15. The format depends on the underlying data link protocol type Enter a WAN address of up to 16 hexadecimal characters if the interface is on an ATM or SMDS network Enter a decimal DLCI number if the interface is on a Frame Relay network 1 3 6 1 4 1 18 3 5 5 26 1 6 A 50 114051 Rev A IPX Parameters IPX Adjacent Hosts Parameters IPX adjacent hosts parameters determine the location of an adjacent host You access these parameters via the IPX Adjacent Hosts window Figure A 12 Help Hoat WAH Huabor hox MECI decimal Figure A 12 IPX Adjacent Hosts Window Parameter Enable Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Adj Hosts Default Enable Options Enable Disable Function Sets the state active or inactive of the adjacent host record in the IPX routing tables Instructions Select Disable to make the adjacent host record inactive in the IPX host table Select Enable to make the adjacent host record active in the IPX host table MIB Object ID 1 3 6 1 4 1 18 3 5 5 26 1 2 114051 Rev A A 51 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Host WAN Address hex DLCI decimal Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Adj Hosts None WAN Address Data Link Connection Identifier Lets you enter a WAN address or a DLCI The format depends on the underlying data li
16. The number must have a value between 0x0001 and OxFFFE inclusive Specifies the socket address of this service Enter any valid socket address consisting of up to 4 hexadecimal characters for example 0x0451 1 3 6 1 4 1 18 3 5 5 23 1 9 Note Refer to Appendix C for a list of common service types current as of the publication date of this manual A 60 114051 Rev A IPX Parameters IPX Static Service Parameters Note The Configuration Manager does not let you change the Service Name or Type parameters you set when you added the static service To establish new values for these parameters for a particular static service you must delete that service and configure a new service You can however reconfigure all other parameters associated with a static service fee State Servier OOOO O O Hoh th Apply Tt Pes Help ag j Enable Hetarik Thes Host Himbeer hex Bocke ihes Hop Gowen Figure A 16 IPX Static Services Window 114051 Rev A A 61 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv Enable Enable Disable Enables or disables a static service p
17. ccceceeeeeeeetteeeeereees B 10 IPX Server Level Filter Configuration Parameter Descriptions ceeeeees B 11 IPX SAP Server Level Parameter Default Values cccseececcecsseeeeeeeeseeeeeeeaaes B 12 114051 Rev A xi Appendix C Common Service Types and Identifiers Appendix D Sample IPX Configuration Gisele lies elias g ay 2 cee erent cree Er a near emery rere erento Peer rr eerre ty err ere D 2 DUTY casos aaa Ea D 2 ROR 2 cicada panic caer aad dda vouaeaea causa tena vaaddathts adeideedaorea teal aa laketeataideean teens ve D 3 Index xii 114051 Rev A Figures Figure 3 1 Multiple IPX Interfaces per Physical Circuit ccccseeeseseeeeeteeeeeneeeeees 3 4 Figure 3 2 Frames Received at a Logical Interface cccescseesseseeeeeeeteeeeseee tonnes 3 7 Figure 3 3 Frames Issued from a Logical Interface eccccseeeeseeseeeseeeteerseeeeeneees 3 8 Figure 4 1 Frames Received at a Logical Interface 20 0 0 eceecseeeneeeeeeeseeeeeeereeeeeseees 4 5 Figure 4 2 Frames Issued from a Logical Interface 20 0 0 ecceeceeeseeeeeeeeeeteeeereeeeenaees 4 6 Figure 4 3 IPXGP and IPXWAN Coniquranong isccnrscscsnissscsssnctsccnianiacinanvaeneators 4 9 FOWE SPA RAPA ni a naa 5 5 Figure 5 2 IPX Multipath Routing Equal Least Cost Routes ceeeeeees ioe Figure 5 3 IPX Configurable RIP Interface Cost 0 0 cecesceesneeeeeeeeeeeeneeseeeseaeeeees 5 16 Figure o 4 IPX Configurable RIP
18. configurations IPX standard 3 5 Configured Encaps IPX interface parameter A 25 configuring RIP and SAP broadcast timers 5 48 service network filter parameters 5 63 A 71 configuring IPX on a Token Ring interface 3 8 connection negotiation IPXCP 4 9 IPXWAN 4 10 connectionless datagram protocol 2 2 Cost IPX interface parameter A 24 tick 5 13 Customer Service FTP xxv customer support See getting help D data link layer addresses 3 6 4 5 datagram 2 2 default configuration parameter values accepting or editing 1 5 default route support 2 3 deleting IPX from the router 1 5 IPX route filters A 71 service name filters A 85 static routes A 58 static services A 64 deleting a service network filter A 79 Destination Count advanced global parameter A 16 dial backup 5 41 dial services advantages of 5 41 descriptions 5 41 types of 5 41 Dial on Demand 2 3 5 42 with static routing 5 43 5 50 with traffic filters 5 44 dynamic routing 2 3 E editing default configuration parameter values 1 5 interface parameters B 3 IPX change circuit parameters A 39 IPX interface parameters A 21 route filter configuration parameters A 64 service name filter parameters 5 64 static route parameters A 56 static routes A 53 static service parameters A 61 editing IPX advanced global parameters A 21 Enable IPX interface parameter A 22 encapsulation method 3 3 encapsulation types See f
19. customize an interface you have added to a router IPX Configuration Parameters The IPX configuration parameters enable you to get IPX up and running quickly by supplying only the necessary configuration information and accepting the defaults supplied by Bay Networks for all other Site Manager parameters You access these parameters via the IPX Configuration window Figure A 1 This window may appear differently depending on the WAN protocol you choose in the Select WAN Protocols window 114051 Rev A A 1 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID a Lace l Configured Hetwork Humber ihes RIP SAP Configured Enceps Circurt Index IPX Common Heteork Humer Begottobed Protocol s Figure A 1 IPX Configuration window Configured Network Number hex Configuration Manager gt Select Protocols gt IPX gt Interfaces None Any valid IPX network number in hexadecimal format Identifies the IPX network number that the user assigned to this IPX circuit This parameter is active only for circuits that are not configured as IPXWAN interfaces or for those with the IPXWAN parameter explicitly disabled Enter a valid IPX network number in hexadecimal notation 1 3 6 1 4 1 18 3 5 5 17 1 22 A 2 114051 Rev A IPX Parameters Note The Configured Network Number parameter is active only for circuits that are not configured as IPXWAN interfaces The IP
20. hex None 1 3 6 1 4 1 18 3 5 5 19 1 5 Next Hop Host hex None 1 3 6 1 4 1 18 3 5 5 19 1 8 IPX Static Route Parameter Default Values This section describes how to set all parameters shown on the IPX Static Routes window Table B 12 IPX Static Route Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 19 1 2 Hop Count 0 1 3 6 1 4 1 18 3 5 5 19 1 7 Ticks 0 1 3 6 1 4 1 18 3 5 5 19 1 6 Next Hop Host hex None 1 3 6 1 4 1 18 3 5 5 19 1 8 114051 Rev A B 7 Configuring IPX Services IPX Static Service Configuration Parameter Default Values This section describes all parameters shown on the IPX Static Services Configuration window Table B 13 IPX Static Service Configuration Parameter Default Values Parameter Default MIB Object ID Service Name None 1 3 6 1 4 1 18 3 5 5 23 1 5 Service Type hex None 1 3 6 1 4 1 18 3 5 5 23 1 6 Target Network hex None 1 3 6 1 4 1 18 3 5 5 23 1 7 Host Number hex None 1 3 6 1 4 1 18 3 5 5 23 1 8 Socket hex None 1 3 6 1 4 1 18 3 5 5 23 1 9 IPX Static Services Parameter Default Values This section describes how to set all parameters shown on the IPX Static Services window Table B 14 IPX Static Services Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 23 1 2 Target Network hex None 1 3 6 1 4 1 18 3 5 5 23
21. 0 0 5 10 Eneng a Broadcast FINES cccisscereiasanicradivariaseetaasacrneciasenoneiascaderaaseornnanntoree 5 10 Emering Mulicast AddioSE scca c vue ate idasubacansf abedet iann a nae 5 10 114051 Rev A vii Responding to IPX Watchdog Packets ciissssssssscsssrsecseveorssessdessseasavesssncacdessnnasa 5 11 PUAN Ue MN i is fis tcl AAA A cadre daiien cn dade en anand tate T T 5 11 SCG TRGUCHENNT ian ccincehstcree cas eee ede gene eae d 5 11 Seting Stabilizcauon Wien Delay sanirani aA acetate 5 12 Handling Packets Associated with Upper Layer Protocols ssssssseessesreesseerres a512 The Routing nigimaton Protocol MIP sarriena eaae 5 13 E abing RIF OMIN ROUET aia usw ost sanntervcare tani khiana iaaa iiiaae 5 14 MOS the Fouing ISTO sssrinin aaa 5 14 eth aA Cost ior an ImeraCE sinian ENA LN 5 15 Specifying the Maximum Number of HOPS cceseceeeeeeeeeeeeeeeeeeeeeeeaeeenens 5 16 Indicating the Number of Next Hop HOSS icici saccsicccsssscenstevaecenestsscotecnesnvaaess 5 17 Enabling RIP Listen and Supply FUNCIONE sccccisseccesaroccsetsianecrestinancniaincaces 5 17 Delsrmining ihe Face of RIF FPackolS scccticwssceeiaueceti olan tech pie lace eeiandaee ee 5 17 Conngutabie PIP TIES siseseid iE a daa 5 18 Aas the RIF PACKET DIZO ieiuna ai 5 19 Enabling Multicast Transmission of RIP Packets EEE E ements a 5 20 Congue Spt TOnZ eninin nia Na NANNAN 5 20 FaR MES hed NENOS aain idara Aba AAR 5 20 Nontully Meshed Net
22. 1 3 6 1 4 1 18 3 5 5 17 1 25 A 24 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Configured Encaps Configuration Manager gt Protocols gt IPX gt Interfaces Circuit medium dependent Circuit medium dependent Possible values Ethernet LSAP Novell SNAP PPP Specifies the encapsulation methods such as Ethernet PPP Novell LSAP or SNAP available for each circuit type such as Ethernet Token Ring or sync The encapsulation method supports communication on a specific logical network Select an encapsulation method that matches the one the clients and servers on the same logical network use and is appropriate for the physical circuit as follows Ethernet circuits support Ethernet LSAP Novell and SNAP frames Token ring circuits support LSAP and SNAP frames Synchronous circuits V 35 RS 232 V 24 RS 422 423 X 21 T1 E1 support SNAP PPP and X 25 Point to Point Ethernet frames FDDI circuits support LSAP and SNAP frames HSSI circuits support PPP and SNAP Frames ISDN circuits support PPP frames 1 3 6 1 4 1 18 3 5 5 17 1 40 TR End Station Configuration Manager gt Protocols gt IPX gt Interfaces Disable Enable Disable Enables or disables source routing on this interface This parameter appears only when you add an IPX interface o
23. 1 7 Host Number hex None 1 3 6 1 4 1 18 3 5 5 23 1 8 Socket hex None 1 3 6 1 4 1 18 3 5 5 23 1 9 Hop Count None 1 3 6 1 4 1 18 3 5 5 23 1 10 B 8 114051 Rev A IPX Default Parameter Settings Route Filter Configuration Parameter Default Values This section describes all parameters shown on the IPX Route Filter Configuration window Table B 15 Route Filter Configuration Parameter Default Values Parameter Default MIB Object ID Target Network hex None 1 3 6 1 4 1 18 3 5 5 29 1 6 Target Network Mask None 1 3 6 1 4 1 18 3 5 5 29 1 7 Filter Priority None 1 3 6 1 4 1 18 3 5 5 29 1 13 IPX Route Filter Parameter Default Values This section describes how to set all the parameters shown on the IPX Route Filters window Table B 16 IPX Route Filter Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 29 1 2 Target Network hex None 1 3 6 1 4 1 18 3 5 5 29 1 6 Target Network Mask None 1 3 6 1 4 1 18 3 5 5 29 1 7 Filter Priority None 1 3 6 1 4 1 18 3 5 5 29 1 13 Mode Outbound 1 3 6 1 4 1 18 3 5 5 29 1 8 Protocol Any 1 3 6 1 4 1 18 3 5 5 29 1 10 Action Advertise Accept 1 3 6 1 4 1 18 3 5 5 29 1 9 Cost None 1 3 6 1 4 1 18 3 5 5 29 1 11 114051 Rev A B 9 Configuring IPX Services SAP Network Filter Configuration Parameters This section describes all parameters shown on the IPX Server Network Configurati
24. 23 1 6 Target Network hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv gt Add None Any valid IPX network address in hexadecimal notation Specifies the network address of this service Enter a network address of up to 8 hexadecimal characters The path to the network you specify for this service must exist as an entry in the IPX routing table The entry can be learned dynamically by the router or you can configure the entry as a static route 1 3 6 1 4 1 18 3 5 5 23 1 7 114051 Rev A A 59 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Host Number hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv gt Add None The address host ID of the service Specifies the address of a remote IPX host a NetWare server that can provide local clients with specific NetWare services such as file print gateway or terminal server services Enter a string of up to 12 hexadecimal characters 6 bytes as the address host ID of the remote IPX host server For example most NetWare Server host IDs are usually 0x000000000001 1 3 6 1 4 1 18 3 5 5 23 1 8 Socket hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Add None Any valid socket address
25. 5 Setting Additional Router Parameters ciscascsececcsiressisdeetstarincgectascensiatiadaeiescaserensiaaanes 3 5 Gonfiguring a Multiple Fiost ROmer scetcsritcerscdenacideediaramicncaniapaeidaciads 3 5 Configuring a Single Host Router E T T E E T re coe PX FOSID NUMDEIS seriosi E 3 6 Setting a Host ID Number for IPX on a Token Ring Circuit ssssssseseseeeeieeneenerne e 3 8 Token Ring MAC Address Selecion sirsiran 3 9 USORI A E NR AA 3 9 Chapter 4 Customizing IPX for WAN Media PX over WAN MEIA cirian na T seauiadsuneduncenared 4 1 Usmo ASP And IP AONAN againsa adana aina iia dA 4 2 Runnin PAWAN Omer PPF aianiiinasne naaa 4 2 Running IPXWAN over Frame Relay Permanent Virtual Circuits c ceeeeeeee 4 3 Negotiating an IPXWAN Connection c cececeeeeeeeeeeeeeeceeeeeaeeeeeeeseneeeeeeeeeeeeieensaees 4 3 Coniguiing an IPX Service to Rul over a WAN siiiciccccs sctcricceesdsniseniesmiecestesdeniesntenrionsecs 4 3 Assigning a Unique Network NUMDET ccsscceeseeeeeeeeeeeceeeceeaeeeeeaeeeeeaaeeeeeeeetaeensenes 4 4 Enabling KIF and SAP onan UientiOe arerioa a 4 4 LGSTUIRV ING a COU aiie eee eae area 4 5 Entering an IPX Host ID Number for IPX over ATM c cccecseeeeeeeeeeeeeeeeeeeeeeeeeeseneeesaees 4 5 Enabling IPXWAN for an Interface n EET ere 4 7 Assigning a Primary Network NUMDGM s ccccscssccccassescceseeaaceccesstesccarnasacceseuaacerees 4 7 Assigning a Common Network Numbe eescce
26. 6 1 4 1 18 3 5 5 33 1 10 Nearest Server Reply Configuration Manager Protocols gt IPX gt Interfaces gt SAP Yes Yes No Specifies whether to respond to SAP get_nearest_server requests Accept the default to allow this router to respond to a SAP get_nearest_server request If you have disabled split horizon you may want to set this parameter to No 1 3 6 1 4 1 18 3 5 5 33 1 11 Use Multicast Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Yes Yes No Specifies whether to use a multicast address to send SAP packets Accept the default to allow multicast transmission of SAP packets Select No to disable multicast transmission of SAP packets 1 3 6 1 4 1 18 3 5 5 33 1 16 114051 Rev A A 43 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Save Full Name Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Yes Yes No Determines whether the router will save all 48 bytes in the service name field of SAP packets or if it will ignore all characters after the null character when a service field name is less than 48 bytes Accept the default to save all 48 bytes in the service name field of SAP packets Select No to ignore all characters after the null character 1 3 6 1 4 1 18 3 5 5 33 1 20 Split Horizon Configuration
27. ATM Outgoing circuit clients E eed ge ee yr i H Ethernet Router lt circuit i i i i E 4 gt i j e i Outgoing f cells i Logical LW Physical Interface Interface IPX Server e Source Transmit address IPX0022A Figure 4 2 Frames Issued from a Logical Interface To establish an IPX connection over an ATM network you must assign a unique host ID number to the ATM interface that is running IPX To assign a number you can either e Enter a value using the Host Number parameter e Specify that the global MAC address be used for the host ID by disabling the Multiple Host Address Enable parameter Site Manager Router Host Number hex parameter page A 11 Site Manager Multiple Host Address Enable parameter page A 10 4 6 114051 Rev A Customizing IPX for WAN Media Enabling IPXWAN for an Interface If you want to run the IPXWAN protocol over a WAN you should enable IPXWAN on the IPX interface Enabling IPXWAN provides a common link negotiation method and a standard means for tick based routing for WAN media Site Manager IPXWAN parameter page A 5 Assigning a Primary Network Number Like Novell routers and servers a Bay Networks router running the IPX WAN protocol implements a global internal network to which you must assign a network number called the Primary Network Number PNN IPXWAN requires the PNN to determine w
28. Bay Networks in writing of any such intended examination of the Software and Bay Networks may provide review and assistance Notwithstanding any foregoing terms to the contrary if licensee licenses the Bay Networks product Site Manager licensee may duplicate and install the Site Manager product as specified in the Documentation This right is granted solely as necessary for use of Site Manager on hardware installed with licensee s network This license will automatically terminate upon improper handling of Software such as by disclosure or Bay Networks may terminate this license by written notice to licensee if licensee fails to comply with any of the material provisions of this license and fails to cure such failure within thirty 30 days after the receipt of written notice from Bay Networks Upon termination of this license licensee shall discontinue all use of the Software and return the Software and Documentation including all copies to Bay Networks Licensee s obligations under this license shall survive expiration or termination of this license 114051 Rev A Contents Configuring IPX Services About This Guide PMN NG E ite nastics cdi t acirosaxat A ET A AT A AA OE AE xviii Bie VOU BEM cnra a a e E xviii GV ENUE roA OAT xviii PAOIOMITE siectiactt cpa a EE EE E EE T xix Ordenng Bay Networks PUbDIIGAUONS sarcosine nnana Ena xxi Technical Support and Online Services Bay Networks Customer Service asrina aa aa a
29. CNN can be zero when Unnumbered RIP is configured on both interfaces Configuration 3 Only IPXCP on Both Interfaces In this configuration IPXCP exclusively negotiates an IPX network number for the link e IfIPXCP successfully negotiates the number the IPX interface becomes active on the link e IfIPXCP fails to negotiate a number the IPX interface cannot become active Configuration Guidelines Configuration 3 e IPXCP Use any valid value for the IPX network number when configuring the local or remote PPP interface e IPXWAN No configuration requirements 4 12 114051 Rev A Customizing IPX for WAN Media Configuration 4 In this configuration the lower layer has no means of negotiating an IPX network number for the link For this reason you must manually configure the network number of the local and remote IPX interfaces to the same value Customizing IPX After selecting a circuit and configuring the associated WAN parameters your circuit will be operational The default values set by the Site Manager for the remaining parameters will apply to most environments However if you want to configure a circuit in a particular way refer to Chapter 5 114051 Rev A 4 13 Chapter 5 Customizing IPX This chapter explains how to customize IPX parameters to fit your environment In most cases after you add a circuit and supply the LAN or WAN parameters you can leave the remaining parameters with the default val
30. Enable to turn on IPXWAN negotiation for this interface Select Disable to turn on IPX WAN negotiation for this interface Not Applicable Common Network Number hex Configuration Manager gt Select Protocols gt IPX gt Interfaces None Any valid IPX network number 0x00000000 to OxFFFFFFFD in hexadecimal format Specifies the IPX common network number assigned to this IPX circuit This parameter is active only for circuits that are configured as IPXWAN interfaces that have the IPXWAN parameter enabled Enter a valid IPX network number in hexadecimal format Do not use the values OxFFFFFFFE or OxFFFFFFFF as network numbers These values are reserved for system use 1 3 6 1 4 1 18 3 5 5 17 1 24 114051 Rev A A 5 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Negotiated Protocol s Configuration Manager gt Select Protocols gt IPX gt Interfaces Unnumbered RIP RIP Unnumbered RIP Indicates the protocol negotiated for this interface This parameter is active only for circuits that are configured as IPX WAN interfaces and that have the IPXWAN parameter enabled Accept the default or click on Values to display the other choices You can select more than one option Click on the options you prefer then click on OK to accept your choices The parameter value appears as a hexadecimal number on the IPX Change Circuit window The values are as follows 0
31. Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Target Service Type hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter None Any valid Novell server type number in 4 digit hexadecimal format Specifies the type of server that the filter should recognize in its criteria for allowing certain SAP broadcasts to pass to the locally attached network segment Enter the server type number in 4 digit hexadecimal format Include leading zeros For all types enter a value of OXFFFF See Appendix A for a list of valid server types 1 3 6 1 4 1 18 3 5 5 30 1 8 Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s priority relative to other filters of the same type for this interface Lower values indicate higher priorities The highest priority is 0 1 3 6 1 4 1 18 3 5 5 30 1 14 Mode Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Outbound Outbound Inbound Both Specifies whether you want to apply the filter to inbound packets outbound packets or both Specify Inbound if you want to apply the filter to SAP packets coming into this in
32. SAP and RIP tables The Bay networks router builds its routing and services tables by listening to regularly scheduled SAP and RIP broadcasts from file servers The broadcasts include the services a server has to offer and routes to a server If regular SAP or RIP broadcasts from a file server stops the local router ages out the entry and removes it from its services or route table Client sends get_nearest_service get_nearest_directory_server SAP request A client sends this request to locate a file server Refer to the book Novell s Guide to NetWare LAN Analysis by Laura Chappell and Dan E Hawkes for more information on this mechanism Router decisions If the server resides on the same network as the client the server receives the request and responds The local router does not respond because its services table indicates that the service is available on the client s network In this case client router communications stop until the client sends the next get_nearest_service SAP request If the server does not reside on the same network the router responds because its services table indicates that the service is not available on the client s network The SAP response sent by the router contains the server name the internal address if applicable the service type the socket number and the intervening network count of the nearest device offering the service Continue to the next bullet If the server does not reside on the
33. Services Configuring a Single Host Router For this configuration you need to set the Multiple Host Address parameter to Disabled Every IPX interface in the router configuration uses the same global host number which is one of the following e A number derived from the router backplane e A number that you enter into the Router Host Number parameter field You specify the source for the host number by entering a host number in the Router Host Number field of the IPX Global Parameters window If you do not enter a number the router derives the internal serial number from the router backplane and uses this number for the global host number Site Manager Multiple Host Address Enable parameter page A 10 Site Manager Host Number hex parameter page A 24 IPX Host ID Numbers On Bay Networks routers the IPX host ID number maps to a physical data link layer address on a specific circuit or physical interface An IPX logical interface can listen at this address and capture frames transmitted by nodes compatible with IPX on the local data link Figure 3 2 illustrates this concept in a Bay Networks router that has two IPX logical interfaces each one configured on a different physical circuit 3 6 114051 Rev A Customizing IPX for LAN Media Local clients servers IPX Server 7 Physical 4 Logical Interface Incoming Interface frames
34. a route exists to the service the router adds a new entry to the services table and advertises the new service to all connected networks except the one on which it was received 5 24 114051 Rev A Customizing IPX Clients use SAP to request information about network services Client information requests are nearest service queries which seek information on the closest service of a specified type Every IPX server and IPX router on the internetwork learns about all other IPX servers and services through the propagation of bindery information or services table information By default each SAP packet can contain up to seven Service Advertising updates This number is configurable but it s constrained by the Maximum Transmission Unit of the outbound interface Configurable SAP Timers Configurable SAP timers are similar in function to configurable RIP timers except that one pertains to SAP advertisements and the other to RIP advertisements You configure the interval by specifying the value of the Update Interval parameter and the multiplier by specifying the Age Multiplier parameter By default the age out time is three times the standard 60 second RIP advertisement update interval or 180 seconds Site Manager Update Interval sec parameter page A 42 Site Manager Age Multiplier parameter page A 42 Configuring SAP timers can reduce IPX SAP overhead and enhance bandwidth availability You can eliminate periodi
35. addition to parameters you set on the IPX Configuration window you must also set the following parameters on the IPX Global Parameters window e Enable e Multiple Host Address Enable e Router Name required for IPXWAN e Primary Network Number required for IPXWAN If you are running IPX over an ATM network you should set the Host Number on the IPX Interfaces window Assigning a Unique Network Number When you initially add an IPX interface to the router configuration you must enter the network number of the IPX network segment associated with that interface You should specify a network number of zero if you are configuring interfaces with unnumbered point to point links and if IPXWAN is not enabled When the router recognizes a network number of zero it knows that a lower protocol layer IPXWAN or IPXCP on the same circuit must negotiate with the remote IPX host for the network number of the intervening WAN segment Site Manager Configured Network Number hex parameter page A 2 Enabling RIP and SAP on an Interface The default for this parameter depends on the protocol you are using If you selected RIP SAP both RIP and SAP are automatically enabled You can disable both RIP and SAP or you can disable and re enable just RIP or just SAP Site Manager RIP SAP parameter page A 3 4 4 114051 Rev A Customizing IPX for WAN Media Identifying a Circuit The Site Manager automatically assigns a c
36. an IPX packet that does not contain a known IPX destination address within the IPX protocol header e Disable Forces the router to drop a packet whose destination address is unknown even if a default route exists Site Manager Default Route parameter page A 19 Multipath Routing and Load sharing You can include multiple next hop destinations as active routes to a destination network The IPX router can find out about multiple paths by either RIP packets or statically configured routes The router can forward packets to the multiple next hop nodes concurrently by multiplexing frame transmissions over the multiple equal cost paths in a cyclic sequence This is referred to as PX multipath or IPX load sharing Multipath Routing Multipath is a round robin or cyclic multiplexing mechanism When multiple least cost paths of equal tick delay and hop count exist between IPX source and destination networks standard RIP operation uses only one of these routes The multipath feature takes advantage of these multiple equal cost routes and distributes the packet load among them balancing the IPX traffic across these routes and maximizing internetwork performance When you enable multipath routing the IPX router diverts individual consecutive frames destined for the same target network to separate IPX interfaces and their associated physical circuits Figure 5 1 5 4 114051 Rev A Customizing IPX Router Nex
37. and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Trademarks of Bay Networks Inc ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN Optivity PPX SynOptics SynOptics Communications Wellfleet and the Wellfleet logo are registered trademarks and ANH ASN BayeSIS BCNX BLNX EZ Install EZ Internetwork EZ LAN PathMan PhonePlus Quick2Config RouterMan SPEX Bay Networks Bay Networks Press the Bay Networks logo and the SynOptics logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners Statement of Conditions In the interest of improving internal design operational function and or reliability Bay Networks Inc reserves the right to make changes to the products described in this document without notice Bay Networks Inc does not assume any liability that may occur due to the use or application of the product s or circuit layout s described herein Portions of the code in this software product are Copyright 1988 Regents of the University of California All rights reserved Redistribution and use in source and binary forms of such portions are permitted provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation advertising materials and other materials related to such distribution and use acknowle
38. based routing 1 to the maximum positive integer if tick based routing is enabled 1 to one less than the value specified in the Maximum Hops parameter if hop based routing is enabled Sets the cost number of ticks or hops for this interface The cost is added to route information learned on this interface through RIP and is included in subsequent RIP packets sent to other interfaces IPX disposes of the packet when its hop count passes a value that is one less than the value of the Maximum Hops parameter This value must be the same across the network Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router 1 3 6 1 4 1 18 3 5 5 17 1 38 114051 Rev A A 23 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Host Number hex Configuration Manager gt Protocols gt IPX gt Interfaces None Any valid IPX host ID number If you enable Multiple Host Address Enable and want to accept the PROM based default setting for the MAC Address Select circuit parameter this IPX interface adopts a host number based on the MAC address of the underlying c
39. calculations If this is an outbound filter the entered cost replaces the route s cost that this router advertises in RIP packets 1 3 6 1 4 1 18 3 5 5 29 1 11 A 70 114051 Rev A IPX Parameters Service Network Filter Configuration Parameters This section describes all parameters shown in the IPX Service Network Filter Configuration window Target hetarik heri fol Target Heteork Hes hex he FF FE FEF Target Service Type hex Filter Priority Figure A 19 IPX Service Network Filter Configuration Window Parameter Target Network hex Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter gt Add Default None Options Any valid network address in hexadecimal notation Function Specifies the network that you want to filter The value OXFFFFFFFF specifies all networks Instructions Enter a network address of up to 8 hexadecimal characters MIB Object ID 1 3 6 1 4 1 18 3 5 5 30 1 6 114051 Rev A A 71 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Target Network Mask hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter gt Add None Any valid IPX network address in hexadecimal notation The mask combined with the Target Network parameter value determines
40. click on OK to accept your choices The parameter value appears as a hexadecimal number on the IPX Change Circuit window The values are as follows 0x00000008 RIP 0x00000010 Unnumbered RIP 0x00000018 RIP and Unnumbered RIP 1 3 6 1 4 1 18 3 5 5 17 1 8 114051 Rev A A 33 Configuring IPX Services IPX RIP Circuit Parameters IPX RIP circuit parameters determine the way RIP behaves on a particular circuit You access these parameters via the IPX RIP Circuit window Figure A 7 To view all of the parameters in this window you must click on the scroll bar JPK RIP Circuit S32 Cancel Hodia Face Update Interval oec Age By l tipl ier Packet Jire ike Mul ti cnet Splat Horizon Teweditebe Update Default Route Supply Figure A 7 IPX RIP Circuit Window A 34 114051 Rev A IPX Parameters Parameter Enable Path Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Default Enable Options Enable Disable Function Specifies whether RIP is enabled on this IPX circuit Instructions Select Enable to enable RIP on this circuit MIB Object ID Select Disable to disable RIP on this circuit 1 3 6 1 4 1 18 3 5 5 32 1 2 Note If this parameter is set to Enable a route filter can still prohibit the interface from updating its internal routing tables See the description of route filtering in this chapter Parameter Path Default Options Function Instructions MIB
41. configure a single SAP filter to match a set of services When you use wildcards you can configure the filter based on the service name which lets you configure a SAP filter based on the characters represented in the service name field of an IPX SAP packet The service name field contains the 48 byte character string name that is assigned to a NetWare server The service name in combination with the service type uniquely identifies a service on the internetwork You can use a wildcard SAP filter configured using the service name field to shield users view of services that reside on a group of servers that use a common naming convention 114051 Rev A 5 57 Configuring IPX Services The wildcard characters are Asterisk matches any number of instances zero or more of the previous character e Period or dot matches any single character For example suppose an organization has ten servers within its network each providing a variety of different services Five of the servers have names that begin with the character p while the other servers have names that start with a different character You could then define a single SAP filter pe that would filter all SAP information for all five servers whose server name begins with the character p Similarly a SAP filter defined as peint would match the server names print point and paint but not the server name poing because the wildcard character matches only a single charac
42. e Network B Diana ge IPX Server Deliver NetBIOS Broadcasts Network C IPX0018A Figure 5 12 NetBIOS Broadcast Filtering Configuring an Adjacent Host for an Interface You can configure the adjacent host parameters if you are not using RIP ona circuit These parameters tell the IPX router how to send a packet to a specific IPX host Making the Adjacent Host Record Active Sets the state active or inactive of the adjacent host record in the IPX routing tables Select Disable to make the adjacent host record inactive in the IPX host table Select Enable to make the adjacent host record active in the IPX host table Site Manager Enable parameter page A 51 5 40 114051 Rev A Customizing IPX Entering the ID of the Adjacent Host If you are not using RIP ona circuit enter the host ID of the adjacent host Set this parameter is you are using Frane Relay SMDS or ATM Site Manager Host Number hex parameter page A 50 Entering a WAN Address or a DLCI If the interface you are configuring is on an ATM or SMDS network enter a WAN address of up to 16 hexadecimal characters If the interface is on a Frame Relay network enter a WAN address or a decimal Data Link Connection Identifier number Site Manager Host WAN Address hex DLCI decimal parameter page A 50 Dial Services A dial servi
43. filter configured on an interface includes information about a service in a SAP packet if either of the following is true e The router finds a match between an outbound filter s contents and the service in its SAP services table and the filter action is Advertise Accept e The router does not find an outbound filter that matches the service in its SAP services table The IPX router excludes information about a service from a SAP packet only if it finds a match between an inbound filter s contents and the contents of its SAP services table and the filter action is Suppress Similarly the IPX router accepts information about a service in a SAP packet if either of the following is true e The router finds a match between an inbound filter s contents and the service in the SAP packet and the filter action is Advertise Accept e The router does not find an inbound filter that matches the service in the SAP packet Using Wildcards and Pattern Matching with SAP Filters Wildcards and pattern matching are shortcut techniques for setting up SAP filters Wildcards are characters that match zero or more instances of any valid character In other words a wildcard in a filter matches any allowable character s depending on which wildcard you specify Pattern matching lets you selectively filter by named entities The following sections describe each of these techniques Using Wildcards with SAP Filters Wildcards in SAP filters let you
44. frames Synchronous circuits V 35 RS 232 V 24 RS 422 423 X 21 TI E1 support SNAP PPP and X 25 Point to Point Ethernet frames FDDI circuits support LSAP and SNAP frames HSSI circuits support PPP and SNAP frames ISDN circuits support PPP frames Site Manager Configured Encaps parameter page A 4 If you are configuring an IPXWAN circuit you must also supply the following information A common network number The common network number is a network number that you assign to the WAN circuit If this router is the master during the IPX WAN negotiation and RIP is selected as the routing protocol then the common network number is used as the IPX network number for the circuit There is no default for the common network number You must supply an IPX common network number in hexadecimal format Valid common network numbers range from 0x00000000 to OXFFFFFFEFD Do not use the value OXFFFFFFFE or OxFFFFFFFF as network numbers These values are reserved for system use Site Manager Common Network Number hex parameter page A 5 114051 Rev A 1 3 Configuring IPX Services A negotiated protocol The negotiated protocol specifies the protocol that the router supports for the exchange of routing information over this WAN circuit You can specify either RIP or Unnumbered RIP as the negotiated protocol For a description of RIP refer to Chapter 5 Site Manager Negotiated P
45. lt circuit_index gt lt target_service_name gt lt target_service_type gt 5 64 114051 Rev A Customizing IPX Enabling an IPX Service Name Filter If you are configuring service name filters you must activate this feature for each interface Site Manager Enable parameter page A 81 Entering the Target Service Name Enter a service name or filter pattern that you want to apply Site Manager Target Service Type hex parameter page A 82 Entering the Target Service Type If you are using a service name filter you must specify the type of server that the filter should recognize in its criteria for allowing certain SAP broadcasts to pass to the locally attached network segment See Appendix C for a list of common service types Site Manager Target Service Type hex parameter page A 82 Setting the Filter Priority Enter a decimal value that indicates this filter s priority relative to other filters of the same type for this interface Lower values indicate higher priorities Site Manager Filter Priority parameter page A 83 114051 Rev A 5 65 Configuring IPX Services Applying Filters to Inbound or Outbound Packets You can apply the service name filter to inbound packets outbound packets or both By default the filter is applied to SAP packets advertised by the specified interface If you want to apply the filter to SAP packets coming into this interface
46. more precise logical partitioning of an IPX NetBIOS internetwork enhancing internetwork security The Bay Networks IPX router software lets you specify whether e You want to direct a NetBIOS broadcast Type 20 packet through a network by configuring a static route only at the first router Before the packet is directed out an interface the router software overwrites the IPX destination address of the packet so that it can be routed to its destination Because the IPX specification states that the network address of broadcast packets must be left unchanged this option does not conform to Novell standards e You want the router to propagate a packet out all of its interfaces in conformance with Novell standards 114051 Rev A 5 33 Configuring IPX Services e You want to direct a packet to its destination by configuring a static route for each hop in the network in conformance with Novell standards In the NetWare environment NetBIOS query requests are encapsulated within IPX packets When a Bay Networks router receives an IPX packet containing a NetBIOS query request it compares the NetBIOS name for which a connection is being requested to a statically configured NetBIOS Name to IPX Destination Network table If the requested NetBIOS name matches a table entry the Bay Networks router forwards the query request packet out only one IPX interface toward the destination network If a match does not exist the router propagates th
47. of the following types e A response to a request e An informational broadcast from a router issued at regular intervals by default every 60 seconds e An informational broadcast when a change occurs in the routing table Examples of changes in the routing table are tick or hop changes timing out of routes and the addition of routes to networks to the table 114051 Rev A 5 13 Configuring IPX Services e An informational broadcast when an interface initializes or performs an orderly shutdown procedure Each RIP packet can contain up to 50 route updates To reduce traffic RIP broadcasts are limited to a router s immediate segments and are not forwarded by receiving routers Note The IPX router learns WAN addresses from RIP and SAP broadcasts received over WANS Frame Relay SMDS ATM The router stores IPX address WAN address pairs for future use as next hop destinations Enabling RIP on the Router You can enable or disable RIP on a circuit By default RIP is not enabled on the router unless you selected RIP SAP on the Select Protocols menu when you first started IPX If you enable RIP on a circuit a route filter can still prohibit the interface from updating its internal routing tables See Using IPX Route Filters later in this chapter If you do not configure RIP for a WAN interface you must configure adjacent hosts for all transmission paths to nodes adjacent to Frame Relay ATM or SMDS circui
48. r 7 r 7 ATM circuit clients N A Ed L Ethernet Router circuit i i a oe oe i i Incoming Be cells L Logical eae Physical Interface Interface IPX Server Destination Receive address IPX0021A Figure 3 2 Frames Received at a Logical Interface IPX compatible nodes on the same logical network and locally attached physical segment must use the host ID number of the IPX logical interface as a data link layer destination address through which any transmitted frames can ultimately reach their target client or server applications Because an IPX logical interface can receive and send data the host ID also identifies a source data link layer address from which the interface can send frames to nodes compatible with IPX anywhere else in the same IPX internetwork Figure 3 3 illustrates this concept in a Bay Networks router configured with two IPX logical interfaces each one on a different physical circuit type 114051 Rev A 3 7 Configuring IPX Services Local clients servers IPX Server 7 Physical Logical Interface aa z ATM Outgoing circuit clients y ee eee pi H Ethernet Pouter i i s circuit i i t i gt Ad i Outgoing mo N z cells W Logical Physical Interface Interface IPX Server e Source Transmit address IPX0022A Figure 3 3 Frames Issued from a Logical Interface Setting a Host ID Numb
49. specify inbound If you want to filter both incoming and outgoing packets specify both Site Manager Mode parameter page A 83 Specifying the Protocol When you send SAP updates you can apply this outbound filter only to services learned on the specified protocol This feature does not apply to inbound services Site Manager Protocol parameter page A 83 Specifying How to Process SAP Advertisements You can specify how the router should process any SAP advertisement that matches the SAP filter criteria you established in the Target Service Name and Target Service Type parameters Select Advertise Accept to enable the filter to allow advertisement or acceptance of services that match the filter criteria you established in the Service Name and Service Type parameters Select Suppress to configure the IPX router to drop SAP advertisements that match the SAP filter criteria you established in the Service Name and Service Type parameters Site Manager Action parameter page A 84 5 66 114051 Rev A Customizing IPX Specifying a Cost If you are enabling the filter to allow advertisement or acceptance of services that match the filter criteria you established in the Service Name and Service Type parameters you can assign a cost number of ticks or hops for this interface Site Manager Cost parameter page A 85 Source Route Bridge Endstation Support Source route bridge end
50. target network of OXFFFFFFFF a type of OxFFFF and an action to suppress This service network filter prevents all other services from being advertised from the interface Using similar specifications and an action to suppress you could exclude from an IPX interface a type of service from a particular server Note The order in which you create SAP filters does not affect filter precedence An Example of Using SAP Filters The following example describes a situation in which you might want to configure SAP filters An office complex contains three buildings The people in each building use only the print services within their own building and have no need to send files to printers outside their building To free wasted bandwidth you could configure a SAP filter that suppresses print server advertisements on the interfaces of the routers that connect the three buildings To suppress print server advertisements configure a service network filter on the interfaces of the routers that connect the three buildings and suppress the advertisement of Server Type 0x0047 print server for all networks OXFFFFFFFF Refer to Appendix A for a list of common server types The IPX Service Network window displays each service network filter entry in the router configuration as follows lt filter rule_no gt lt filter_priority gt lt circuit_number gt lt target_network_number gt lt target_network_mask gt lt target_service_type gt
51. this interface on this router This parameter is active only for circuits that are configured as IPX WAN interfaces Select Enable to turn on IPXWAN negotiation for this interface Select Disable to turn on IPX WAN negotiation for this interface Not Applicable Common Network Number hex Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change None Any valid IPX network number 0x00000000 to OXFFFFFFFD in hexadecimal format Specifies the IPX common network number assigned to this IPX circuit This parameter is active only for circuits that are configured as IPXWAN interfaces that have the IPXWAN parameter enabled Enter a valid IPX network number in hexadecimal format Do not use the values OxFFFFFFFE or OXFFFFFFFF as network numbers These values are reserved for system use 1 3 6 1 4 1 18 3 5 5 17 1 24 A 32 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Negotiated Protocol s Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change Unnumbered RIP RIP Unnumbered RIP Indicates the protocol negotiated for this interface This parameter is active only for circuits that are configured as IPX WAN interfaces and that have the IPXWAN parameter enabled Accept the default or click on Values to display the other choices You can select more than one option Click on the options you prefer then
52. through RIP The default setting of 0 for static routes means use the hop count associated with the interface Accept the default 0 or enter a value from 1 to one less than the maximum number of hops 1 3 6 1 4 1 18 3 5 5 19 1 7 Ticks Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route 0 0 to maximum positive integer Specifies the number of 1 18th second timer ticks required for an IPX datagram to traverse this static route The IPX router uses tick cost when determining the best route for a datagram to follow The tick cost is also propagated through RIP The default setting of 0 for the tick cost of static routes means use the tick count associated with the interface Accept the default value 0 or enter a value from 1 to the maximum positive integer 1 3 6 1 4 1 18 3 5 5 19 1 6 Next Hop Host hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route None Any valid host address in hexadecimal notation Specifies the address of the next hop host in the static routing path Enter a host address of up to 12 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 19 1 8 114051 Rev A A 57 Configuring IPX Services IPX Static Service Configuration Parameters This section describes all parameters shown in the IPX Static Service Configuration window Servine Kame Service Type hoes Target Heteork hesi Host Humber i hex Socket hex
53. type such as Ethernet Token Ring or sync The encapsulation method supports communication on a specific logical network Select an encapsulation method that matches the one the clients and servers on the same logical network use and is appropriate for the physical circuit as follows e Ethernet circuits support Ethernet LSAP Novell and SNAP frames e Token ring circuits support LSAP and SNAP frames e Synchronous circuits V 35 RS 232 V 24 RS 422 423 X 21 T1 E1 support SNAP PPP and X 25 Point to Point Ethernet frames e FDDI circuits support LSAP and SNAP frames e HSSI circuits support PPP and SNAP frames e ISDN circuits support PPP frames 1 3 6 1 4 1 18 3 5 5 17 1 40 Circuit Index Configuration Manager gt Select Protocols gt IPX gt Interfaces System assigned Any valid circuit identifier Uniquely identifies this circuit within this instance of IPX Accept the default or enter a valid circuit identifier 1 3 6 1 4 1 18 3 5 5 17 1 6 A 4 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters IPXWAN Configuration Manager gt Select Protocols gt IPX gt Interfaces Enable Enable Disable Enables or disables IPXWAN for this interface on this router This parameter is active only for circuits that are configured as IPX WAN interfaces Select
54. valid Novell server type number in 4 digit hexadecimal format Specifies the type of server that the filter should recognize in its criteria for allowing certain SAP broadcasts to pass to the locally attached network segment Enter the server type number in 4 digit hexadecimal format Include leading Os For all types enter a value of OXFFFF See Appendix A for a list of valid service types 1 3 6 1 4 1 18 3 5 5 31 1 7 A 82 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s priority relative to other filters of the same type for this interface Lower values indicate higher priorities The highest priority is 0 1 3 6 1 4 1 18 3 5 5 31 1 13 Mode Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter Outbound Outbound Inbound Both Specifies whether you want to apply the filter to inbound packets outbound packets or both Accept the default Outbound if you want to apply the filt
55. which networks will be filtered Enter a network address or filter pattern of up to 8 hexadecimal characters A mask of OXFFFFFFFF specifies an exact match with the network address specified in the Target Network parameter You can specify all networks by entering a Target Network of OXFFFFFFFF and a Target Network Mask of OxFFFFFFFF 1 3 6 1 4 1 18 3 5 5 30 1 7 Target Service Type hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter gt Add None Any valid Novell server type number in 4 digit hexadecimal format Specifies the type of server that the filter should recognize in its criteria for allowing certain SAP broadcasts to pass to the locally attached network segment Enter the server type number in 4 digit hexadecimal format Include leading Os For all types enter a value of OXFFFF See Appendix A for a list of valid server types 1 3 6 1 4 1 18 3 5 5 30 1 8 A 72 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter gt Add None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s priority relative to other f
56. 01CC C 4 114051 Rev A Common Service Types and Identifiers Table C 1 Service Types and Identifiers continued Hexadecimal Service Type Identifier Castelle FAXPress Server 01D8 Castelle LANPress Print Server 01DA Unknown 01E4 Legato 01F0 Legato 01F1 SQL Server 0200 NMA Agent NMS socket 0x2F90 0233 LANZ Agent Socket 0x401F NetExp 0237 LANZ Agent Socket 0x4800 0238 NMS Hub Management 0239 LANZ Agent Socket 0x401F 023A NetWare SMS Storage Management System 023F NetWare Connect 024E NMS Console name stnMAC IPX 026A NW4 Time Sync Server Socket 0x040 026B NW4 NDS Server 0278 NetWare for SAA Gateway 0304 Gallacticom BBS 030A HP LaserJet Quick Silver 030C Attachmate 3270 Gateway 0320 Multi Server Director 0327 Intel NetPort II 0361 ECS Cheyenne ARCserv 5 0 Intel 0375 Cheyenne ARC Serv 5 0 Intel SE 0376 PowerChute Version 3 0 new 037E 114051 Rev A C 5 Configuring IPX Services Table C 1 Service Types and Identifiers continued Hexadecimal Service Type Identifier ViruSafe Notify 037F HP Bridge 0386 HP Hub 0387 NetWare SAA Gateway 0394 Lotus Notes OS 2 version 039B Central Point Anti Virus NLM 03B7 ARCserve 4 0 socket 0x 8600 03C4 Intel LANSpool 3 5 03C7 Lexmark 4033 Print Server 03D5 NetWare SQL Gupta NLM 03DE UNI
57. 1 4 1 18 3 5 5 32 1 18 Default Route Listen Disable 1 3 6 1 4 1 18 3 5 5 32 1 19 IPX SAP Circuit Parameter Default Values This section describes how to set all parameters shown on the IPX SAP Circuit window The IPX circuit identifier appears in the window title Table B 6 IPX SAP Circuit Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 33 1 2 Mode Standard 1 3 6 1 4 1 18 3 5 5 33 1 6 Pace 18 packets second 1 3 6 1 4 1 18 3 5 5 33 1 7 Update Interval sec 60 seconds 1 3 6 1 4 1 18 3 5 5 33 1 8 Age Multiplier 6 80 second increments up to a total of 1 3 6 1 4 1 18 3 5 5 33 1 9 180 seconds Packet Size 480 bytes 1 3 6 1 4 1 18 3 5 5 33 1 10 Nearest Server Reply Yes 1 3 6 1 4 1 18 3 5 5 33 1 11 NSQ Alphabetical Yes 1 3 6 1 4 1 18 3 5 5 33 1 12 Use Multicast Yes 1 3 6 1 4 1 18 3 5 5 33 1 16 Split Horizon Enable 1 3 6 1 4 1 18 3 5 5 33 1 17 Immediate Update Enable 1 3 6 1 4 1 18 3 5 5 33 1 19 Save Full Name yes 1 3 6 1 4 1 18 3 5 5 33 1 20 114051 Rev A B 5 Configuring IPX Services IPX NetBIOS Static Route Configuration Parameter Default Values This section describes all parameters shown on the IPX NetBIOS Static Route Configuration window Table B 7 NetBIOS Static Route Configuration Parameter Default Values Parameter Default MIB Object ID Target Server None 1 3 6 1 4 1 18 3 5 5 27 1 4 Target Netwo
58. 14051 Rev A A 7 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Primary Net Number hex Configuration Manager gt Select Protocols gt IPX gt Enable IPXWAN None The Primary Network Number PNN is a string of up to 8 hexadecimal characters Specifies an IPX network number for IPXWAN RFC1634 compliant link negotiation on all slots The value of the PNN determines whether the local or remote WAN interface serves as IPX Link Master The node with the highest PNN value becomes the IPX Link Master The PNN should be unique among network numbers currently assigned Enter a unique network number for each node requiring one or more IPX WAN RFC1634 compliant interfaces This network number must be unique across the IPX network Do not enter a number that a server is using as an internal network number or a number that has been assigned on any segment in the network All unused values between 0x00000001 and OXFFFFFFFD are valid values 1 3 6 1 4 1 18 3 5 5 15 1 5 A 8 114051 Rev A IPX Parameters IPX Global Parameters The IPX global parameters determine the way IPX works on the router You access these parameters via the Edit IPX Global Parameters window Figure A 3 Enable Bultiple Host Q edimess Eneble Router Host Himbeer hex fmuter Home Primaj Het Hmber hex Figure A 3 Edit IPX Global Parameters window 114051 Rev A A 9
59. 49 Configuring IPX Services Using Static Routes A Static route specifies a transmission path between networks The static route feature lets you manually define an IPX route to a destination network Static routes specify the next hop in the transmission path a datagram must follow based on the datagram s destination address You configure a static route when you want to restrict the paths that packets can follow A Bay Networks router running IPX lets you configure static routes on each logical IPX interface Using static routes is most valuable over wide area links where bandwidth is at a premium Static route support also enhances internetwork security because it can be implemented so that traffic across specific IPX networks is restricted protecting sensitive internetwork resources Static route support for IPX can do the following e Direct all IPX traffic not destined for this network to an adjacent host The adjacent host may be the actual destination or it may be the next hop to the eventual destination network See the following section on adjacent host support for more information about adjacent hosts e Reduce routing traffic by disabling the RIP supply function on all or a subset of attached interfaces that are configured with static routes e Provide security by eliminating all dynamic routing capabilities and all RIP supply and listen activities over an IPX interface You should configure static routes and disable
60. A 9 IPX NetBIOS Static Route Configuration Window 114051 Rev A A 45 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Target Server Configuration Manager gt Protocols gt IPX gt NetBIOS Static Routes gt Add None The name of a NetBIOS target server specified as a string of up to 16 alphanumeric characters which can include wildcards and pattern matching characters You can include any printable character including and so on To specify a backslash enter two backslashes You can also use the hexadecimal equivalent xx of any valid ASCII character For example you can specify 20 for space or 21 for note that xx counts as one character Specifies the name of the NetBIOS server Enter the name or part of the name of the NetBIOS server The name can be up to 16 alphanumeric characters For a list of the wildcards and pattern matching characters refer to Table 5 1 on page 5 59 1 3 6 1 4 1 18 3 5 5 27 1 4 Note You cannot change the Target Server parameter once you set it only in the IPX NetBIOS Static Route Configuration window Parameter Path Default Options Function Instructions MIB Object ID Target Network hex Configuration Manager gt Protocols gt IPX gt NetBIOS Static Routes gt Add None Any valid network address in hexadecimal notation Specifies the address of a destination network that you want to rece
61. Changing this value can greatly affect the memory use by IPX but it can also speed learning time for the router Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router 1 3 6 1 4 1 18 3 5 5 16 1 21 114051 Rev A Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Aging Frequency Configuration Manager gt Protocols gt IPX gt Global gt Advanced 10 seconds 1 to the maximum positive integer seconds Specifies the granularity in seconds for aging RIP and SAP information IPX checks whether any routes have timed out every n seconds where n is the interval that this parameter specifies Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this ro
62. Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IPX gt Global Enable Enable Disable Globally enables or disables the system software mechanisms that allow users to add IPX interfaces to the router configuration Disable Shuts down all IPX routing for the entire router Enable Initializes IPX routing for the entire router Associated IPX interfaces become active depending on their respective Enable Disable parameters and on the state of each underlying circuit Select Disable to disable every IPX interface on the router Select Enable to globally reinitialize all IPX interfaces on the router each interface maintains the most recent setting of its own interface Enable Disable parameter 1 3 6 1 4 1 18 3 5 5 15 1 2 Multiple Host Address Enable Configuration Manager gt Protocols gt IPX gt Global Enable Enable Disable If you enable this parameter an IPX interface can e Use the MAC address located in the PROM on the circuit associated with that interface e Use a MAC address that you enter in the Host Number parameter field for that interface Interfaces on a Token Ring circuit adopt a host ID number based only on the MAC address of the associated circuit Disabling this parameter causes all IPX interfac
63. ER1 and SERVERA Does not match SERVER12 or SERVER c As the rightmost element in a string this element tells the filter to match any one of the characters enclosed in the brackets To use a right bracket as one of the characters to be matched make it the first character in the string The expression Jabc matches any of the characters a b orc 114051 Rev A 5 59 Configuring IPX Services Table 5 1 Characters in SAP Pattern Matching Filters continued Filter Character Function c When a caret is the first character of the enclosed string the filter expression matches any character except those in the remainder of the string For example the expression 45678 matches any character except 4 5 6 7 or 8 To include a right bracket in the string of filtered characters place it directly after the caret For example the expression abc matches every character except a b or c l r The minus sign between two characters indicates a range of consecutive ASCII characters to match This bracketed string of characters is known as a character class For example the range 0 9 is equivalent to the string 0123456789 The minus sign is treated as an ordinary character if it occurs first or first after an initial character or last in a string You can also construct longer filters by combining that is concatenating these single char
64. Encepe Circust Indes TPxuAH ua Common Meterk Humer Negotiated Protocols Figure A 6 IPX Change Circuit Window 114051 Rev A A 29 Configuring IPX Services Parameter Configured Network Number hex Path Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change Default None Options Any valid IPX network number in hexadecimal format Function Identifies the IPX network number that the user assigned to this IPX circuit This parameter is active only for circuits that are not configured as IPXWAN interfaces or for those with the IPXWAN parameter explicitly disabled Instructions Enter a valid IPX network number in hexadecimal notation MIB Object ID 1 3 6 1 4 1 18 3 5 5 17 1 22 Note The Configured Network Number parameter is active only for circuits that are not configured as IPXWAN interfaces The IPXWAN Common Network Number and Negotiated Protocols parameters appear only when the circuit is configured as an IPXWAN interface A 30 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Configured Encaps Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change Circuit medium dependent Circuit medium dependent Possible values Ethernet LSAP Novell SNAP PPP Specifies the encapsulation method
65. Host Address Enable on the IPX Global Parameters window Host Number on the IPX Interfaces window 114051 Rev A 3 1 Configuring IPX Services Assigning a Unique Network Number When you initially add an IPX interface to the router configuration You must enter the network number of the IPX network segment associated with that interface The network number must be unique among all other network numbers assigned throughout the IPX internetwork Site Manager Configured Network Number hex parameter page A 2 Enabling RIP and SAP on an Interface The Configuration Manager sets the default for this parameter based on your selection in the Select Protocols window If you selected RIP SAP both RIP and SAP are enabled You can disable both RIP and SAP using the IPX Configuration window You can also disable and re enable just RIP or just SAP using the RIP Circuit window or the SAP Circuit window which are available via the IPX Interfaces window Site Manager RIP SAP parameter page A 3 Choosing a Frame Encapsulation Type When you add an IPX interface to the router configuration you must specify the type of frame encapsulation required for communication between all hosts on the same IPX logical network within the overall IPX internetwork Choose the encapsulation method that is appropriate for the type of physical circuit you are configuring e Ethernet circuits support Ethernet LSAP 802 2 Novell 802 3 a
66. IPX RIP and SAP advertisements when implementing dial on demand routing over a wide area link IPX RIP and SAP advertisements force dial on demand connections to be continuously established which prevents user defined dial on demand expiration time limits from being reached Refer to the description of the dial on demand feature later in this chapter for details on using this feature Unlike routes learned through RIP static routes remain in the route tables until you delete them RIP routes have priority over static learned routes if both routes have the same cost If you do not have the RIP listen functions enabled the local network will not learn about new routes on the network route changes or deleted routes 5 50 114051 Rev A Customizing IPX Static route support lets you identify the next interface and next router in the path toward a destination network Once you configure a static route for an interface the router advertises that route in its usual RIP broadcasts For example in Figure 5 14 to establish a static route between IPX Network A and IPX Network B through Interface 1 on Router R1 a static route must be established from Router R1 to Router R2 The static route entry in Router R1 directs any traffic destined for Network B through Interface 1 to Router R2 In turn the static entry in Router R2 directs any traffic destined for Network B through Interface 3 to Router R3 and thus to Network B To Network B via
67. Manager gt Protocols gt IPX gt Interfaces gt SAP Enable Enable Disable When generating SAP updates to be transmitted from an interface the interface can exclude SAP servers learned on that interface Select Enable if you previously set this parameter to Disable and now do not want the router to transmit SAP updates received from the interface over that same interface Select Disable only if you want the router to transmit SAP updates received from the interface over that same interface 1 3 6 1 4 1 18 3 5 5 33 1 17 A 44 114051 Rev A IPX Parameters Parameter Immediate Update Path Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Default Enable Options Enable Disable Function When a change in status occurs for this circuit immediately propagate that information to other routers in the internetwork Instructions Accept the default Enabling this parameter facilitates network traffic by letting routers know immediately about new or failed services When this parameter is disabled other routers learn about such changes only at the next periodic update interval MIB Object ID 1 3 6 1 4 1 18 3 5 5 33 1 19 IPX NetBIOS Static Route Configuration Parameters IPX NetBIOS static route configuration parameters establish a NetBIOS Static Route You access these parameters via the IPX NetBIOS static route configuration window Figure A 9 Target Server Target Hetarik fuss Figure
68. N media Frame Relay and PPP e Interoperability with other routing vendors for example Novell e A standardized means for tick based routing over WAN media If you configure a local and a remote node to support both IPXCP and IPXWAN IPXCP always runs first After the router completes IPXCP negotiation it discards all IPXCP negotiated options and IPXWAN runs Refer to Assigning a Unique Network Number on page 4 4 for more information about specifying support for IPXCP and IPXWAN Running IPXWAN over PPP IPX uses PPP when operating over point to point synchronous networks With PPP establishing a connection means that the IPX Network Control Protocol NCP IPXCP reaches the Open state PPP lets either side of a connection stop forwarding IPX packets if one end sends an IPXCP Terminate request When a router detects this it immediately reflects the lost connection in its routing information database 4 2 114051 Rev A Customizing IPX for WAN Media Running IPXWAN over Frame Relay Permanent Virtual Circuits Each IPX packet is encapsulated in a Frame Relay frame When an interface is restarted IPX WAN exchanges begin immediately over active direct mode Frame Relay PVCs those that have remained active before and after restart e When a router detects that a direct mode Frame Relay PVC has gone from an inactive to an active state the connection is established and IPX WAN packet exchange over this newly activated con
69. Number of Maximum Path Splits cccececeseeseeeeeeeeeeesseeeeeeneeeeees 5 2 Specifying the Maximum Number of Destinations cccecccceeeeeeeeeeeeteeeeeeeeeeee 5 3 Entering the Maximum Number of Services ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeesaees 5 3 Specifying the Granularity for Aging RIP and SAP Information seese 5 3 Specifying the Aging Pending Frequency ccccesccceeseeeeeeeeeeeeeeeeeeeeteaeeseeaeeeeaas 5 3 Engbing IPX Deut ROUNO eee eres ence reer ree a a cer itr reer wert renter reer gerry 5 4 Multipath Routing and Load sharing eseese P E E A 5 4 KURDA TT irar sd ienamneanes 5 4 Lead Redistribution anid Rerouting eerie sca satan sets danakin reas rascal 5 6 Multipath Route Precedence PHONY ssc cccccce cas actisccerucadesnerndeceeneciadeiensiniacse 5 6 MUlip ait y Gofal ier sla nS sanrio aen ia N ENE 5 7 Multiline Circuits PEE E TARE E T TR me Selecing the GNS Response ModE scccaicicecrncicd stent vsnnriacctsanedinavecsdsoserisaceuigurnpaauioastt 5 8 CSUSTOMUZING interage PalameloiS ics a5 sansa vs rigesldact ind inkaa daen ianiai oiinadi cabenss 5 9 E abing IPX Routing on an Menace ccxcsticacesiss iacietacntdamiatiiasereenladictaadanactiaane 5 9 Entering a Symbolic Name for an Interface ssiciconirniriaiarin inna 5 9 Assigning a Host Number to an Interface 0 eeccceeceeeeseeeeeeeeeeeaeeeeeeeeeeaaeeneneeess 5 9 Enabling Source Routing for an Interface on a Token Ring Circuit
70. Object ID Mode Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Listen Supply Listen Supply Listen Supply Specifies the mode for this circuit Select one of the following values Listen Supply specifies that this interface both listens for and supplies RIP updates as described in the following items Listen specifies whether this interface listens to RIP Periodic and Triggered updates from neighboring networks and conveys received routing information to its internal routing table Supply specifies whether the interface transmits all RIP Periodic and Triggered updates to routers in neighboring networks 1 3 6 1 4 1 18 3 5 5 32 1 6 114051 Rev A A 35 Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Pace Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP 18 0 to 1000 Specifies the maximum pace in packets per second at which RIP packets can be sent on this circuit A value of zero means that there is no limit on the pace Accept the default or specify an integer value up to 1000 1 3 6 1 4 1 18 3 5 5 32 1 7 Update Interval sec Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP 60 0 to 2678400 Adjusts the f
71. P 5 13 RFC IPX source documents 2 5 RFC 1552 2 5 4 1 RFC 1634 2 5 4 2 RIF Routing Information Field 5 67 RIP 5 12 5 13 RIP Routing Information Protocol 2 3 114051 Rev A Index 5 Configuring IPX Services listen and supply functions 5 17 maximum timer ticks 5 15 update packet transmissions frequency 5 48 RIP broadcast timers configuring 5 48 RIP information broadcast 5 13 RIP request packet 5 13 RIP response packet 5 13 RIP timers configurable 5 18 route filter configuration parameters editing A 64 route filters adding A 64 deleting A 71 dropping all routes 5 54 parameter descriptions A 66 router deleting IPX from the router 1 5 multiple host 2 5 3 5 single host 2 5 3 6 Router Host Number IPX global parameter A 11 Router Host Number parameter 3 6 router information broadcast 5 13 Router Name IPX global parameter A 7 A 11 router name valid characters in 4 8 routes dropping all 5 54 Routing Information Field RIF 5 67 Routing Information Protocol RIP 2 3 5 12 5 13 routing table 5 13 running IPX over Frame Relay 4 3 running IPX over PPP and Frame Relay 4 2 S SAP 5 12 and NDS 5 24 and the NetWare bindery 5 24 SAP Service Advertising Protocol 2 3 SAP broadcast timers configuring 5 48 SAP filters 5 61 example 5 63 pattern matching 5 56 5 59 pattern matching characters 5 59 prohibiting SAP broadcasts 5 31 service network conf
72. Response Centers are connected via a redundant Frame Relay Network to a Common Problem Resolution system enabling them to transmit and share information and to provide live around the clock support 365 days a year Bay Networks Information Services complement the Bay Networks Service program portfolio by giving customers and partners access to the most current technical and support information through a choice of access retrieval means These include the World Wide Web CompuServe Support Source CD Customer Support FTP and InfoFACTS document fax service 114051 Rev A xxiii Configuring IPX Services Bay Networks Customer Service If you purchased your Bay Networks product from a distributor or authorized reseller contact that distributor s or reseller s technical support staff for assistance with installation configuration troubleshooting or integration issues Customers can also purchase direct support from Bay Networks through a variety of service programs As part of our PhonePlus program Bay Networks Service sets the industry standard with 24 hour 7 days a week telephone support available worldwide at no extra cost Our complete range of contract and noncontract services also includes equipment staging and integration installation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program feature
73. Rev A Starting IPX Services 8 Click on OK Deleting IPX from the Router You can use Site manager to delete IPX from the router 1 Select Configuration Manager in either local remote or dynamic mode from the Tools menu The Configuration Manager window appears 2 Select Protocols gt IPX gt Delete IPX option from the menu bar A confirmation window appears 3 Click on OK IPX is no longer configured on the router and the Configuration Manager window reappears Note If you delete IPX the connectors for those interfaces on which IPX was the only protocol enabled are no longer highlighted in the Configuration Manager window Interfaces must be reconfigured for these connectors see Configuring Routers for instructions 114051 Rev A 1 5 Chapter 2 IPX Concepts This chapter describes some of the IPX concepts you will need to know before you begin configuring an interface on a circuit It provides an overview of the IPX protocol the network level services provided by a Bay Networks router running IPX the types of LAN and WAN circuits IPX supports and some basic types of IPX configurations Compatibility with Previous Versions of Bay Networks Software This guide describes only the Version 11 0 Bay Networks router software Site Manager 5 0 and Router Software Version 11 0 are backward compatible with earlier versions of the router code You can boot an IPX configuration that operates with an earlier v
74. TIMEGIS scisccssiccss sce teas enacs sai aiia varias 5 19 Figure 5 5 Split Horizon Enabled in a Fully Meshed Network s s 5 21 Figure 5 6 Split Horizon Disabled in a Nonfully Meshed Network sses 5 22 Figure 5 7 Static Service Network Configuration E ene ien 5 30 Figure 5 8 IPX SAP Filters Prohibiting SAP Broadcasts ccscseceeeeereeeeeeee 5 31 Pigures 9 NetBIOS Statie ROUES ss siscsscttsuuses cased renasad iaaiiai 5 34 Figure S 10 NetBIOS Packet Filtering sisstiiedsaisiuinrdadhatoindinaasetuuanistablieleteaddeaanbine 5 38 Rowe NabBOS Packer POW sicntisncamuitaticaiduuainiinideundddonan 5 39 Figure 6 12 NetBIOS Broadcast Filtering iscicisissrciicsccuiidsienicivmandenunnaiiss 5 40 Figure 5 13 Diakon Demand ServiGe seresa 5 43 Foure S TA IPA State ROUES ictcissc inane ncrearmandnnianli nna nausea 5 51 Foue S15 SAF FIENI scnis a 5 55 Figure 5 16 IPX Routers Source Routing Across a Token Ring Network 0 5 68 Figure 5 17 Sample IPA NOWWOIK srcciiasiaaiina neida a a aaaeaii 5 72 Figure A 1 IPX Configuration window sever E ances A 2 Figure A 2 IPXWAN Configuration WindOW 0 c cccceccceeeeeeeeeeeeeeaeeeeeeeeseeeeeeaaeeees A 7 Figure A 3 Edit IPX Global Parameters window cccccceseeeeeeeeeeeteneeeteeeeeeeeeeens A 9 Figure A 4 IPX Advanced Global Parameters Window c cceeeeeneesteeeneeees A 13 Figure AS TPX Interlacos Winter saactaidesnunaaentariaiaieiaaetidr
75. XWAN Common Network Number and Negotiated Protocols parameters appear only when the circuit is configured as an IPXWAN interface Parameter Path Default Options Function Instructions MIB Object ID RIP SAP Configuration Manager gt Select Protocols gt IPX gt Interfaces Depends on whether you enabled RIP SAP in the Select Protocols window Yes No Indicates whether you have RIP SAP configured on an interface The Configuration Manager sets the default for this parameter based on your selection in the Select Protocols window If you selected RIP SAP both RIP and SAP are enabled You can disable both RIP and SAP using the IPX Configuration window You can also disable and re enable just RIP or just SAP using the RIP Circuit window or the SAP Circuit window which are available via the IPX Interfaces window 1 3 6 1 4 1 18 3 5 5 32 1 1 RIP 1 3 6 1 4 1 18 3 5 5 33 1 1 SAP 114051 Rev A A 3 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Configured Encaps Configuration Manager gt Select Protocols gt IPX gt Interfaces Circuit medium dependent Circuit medium dependent see Instructions Possible values Ethernet LSAP Novell SNAP PPP Specifies the encapsulation methods such as Ethernet PPP Novell LSAP or SNAP available for each circuit
76. XWare 03E1 UNIXWare 03E4 NetWare File Server Version 4 x 0400 NetSprint print server 0414 SiteLock Virus 0429 ARCserve 5 0 044C Dell SCSI Array SDA Monitor 045B SyBase 0474 SyBase 0475 Novix TCP IP support NLM 04DC SiteLock Checks 0520 Certus Anti Virus NLM master 0523 SiteLock Checks 0529 Delrina WinFax Pro network 0553 McAfee s NetShield anti virus 0580 C 6 114051 Rev A Common Service Types and Identifiers Table C 1 Service Types and Identifiers continued Hexadecimal Service Type Identifier SiteLock 0B29 SiteLock Applications 0C29 SofTrack for NW Version 3 x 0C2C LAI SiteLock 2380 Meeting Maker 238C SofTrack for NW Version 4 x 2C0C SiteLock Server Brightworks 4808 SiteLock User 5555 Tapeware 6312 Rabbit 3270 Gateway 6F00 Intel NetPort Print Server 8002 WordPerfect Network Version 8008 Unknown 8069 Unknown 8746 McAfee s NetShield anti virus 9000 SQL Monitor IPX 9604 Unknown 9892 Unknown Co00C SiteLock Metering VAP NLM F11F SiteLock F1FF SQL Server IPX F503 114051 Rev A C 7 Appendix D Sample IPX Configuration This appendix provides a sample IPX configuration Depending on the interface type and service requirements the network uses different encapsulations Configurations are provided for Router 1 and Router 2 Figure D 1 The network configuration lists Router A and Router B but does not provide co
77. XXV X Xerox Network System XNS 2 2 Index 8 114051 Rev A
78. a eala a daaa xxiv Bay Networks Information Services o ississeniiisreeiirimenies E EET ETT XXV AVE Wide WoD rarena iakin NE RERS XXV CUSO NNOO FTP andaina inisa aaga AAEN AS E XXV fol al sia Wiese C Doreiiarara aaa xxvi COMPUSE E REES N xxvi MOFAGTS aroronpnnarrnens EEEE ET ee a E ET xxvii Howto Get Ho ccinn maiaaedaticndinateesnsgodesdactingetenanactentenaentaendtderas xxvii Chapter 1 Starting IPX Services Se ite U A E tee AE ieee AE AT te mater A EE A E E EEEE 1 1 Bee erie ee A Iom ne ROIS serrin Pere Pere reerecee reer i retreprepreerr very treet recerre tt rrarrectt rrr pret 1 5 Chapter 2 IPX Concepis Compatibility with Previous Versions of Bay Networks Software ccccesseeeeeesteeees 2 1 About TEN Proog seriinin ieda i enda Eaki Aao AENEAN 2 2 Network Lavel SOrViCOS peiiini E E E 2 3 Supported LAN Circuits WAN Circuits and Frame Formats cccccecessseseeeeeeeeneeees 2 3 Types of IPX Configurations a E E E E E A 2 5 114051 Rev A v For More Iniormation about IPX uiun A 2 5 Chapter 3 Customizing IPX for LAN Media Asiano A Unique Network NUDE cs iocceccsnaccndsiceiaedievnntasassecsanareateicaiedeti anniaasceaundindizes 3 2 Enabling RIP and SAP Gti aii IITA onineroinaan i aiak 3 2 Choosing a Frame Encapsulation Type s es ere ESET T 3 2 Specifying Multiple Interfaces per Circuit ssussiscsissrcsieinisncsriisanesinnndieasniar 3 3 bena ede Gs aE Meee pene rn T A TE ny Nee rey MUN TUT METER AT AEAT 3
79. acter regular expressions using the rules and operators listed in Table 5 2 A filter made up of a concatenation of regular expressions matches a concatenation of text strings each of which is a match for a successive regular expression in the search pattern 5 60 114051 Rev A Table 5 2 Customizing IPX Concatenation Rules and Operators Rule Operator Interpretation Question Mark A single character regular expression followed by a question mark matches zero or exactly one occurrence of that single character regular expression For example a z matches any string of either zero lowercase letters or exactly one lowercase letter Example SERVER Matches SERVER1 and SERVER Does not match SERVER12 or SERVER123 Asterisk A single character regular expression followed by an asterisk matches zero or more occurrences of that single character regular expression For example a z matches any string of zero or more lowercase letters Example SERVER Matches SERVER123 and SERVER Does not match ADMIN123 or PS_SERVER Plus Sign A single character regular expression followed by a plus sign matches one or more occurrences of that single character regular expression For example a z matches any string with one or more lowercase letters Example SERVER Matches SERVER12 and SERVERA Does not match SERVER or ADMIN123 m m m n Where m and n are intege
80. address is unknown even if a default route exists Select Enable to allow IPX default routing Select Disable to turn off default routing 1 3 6 1 4 1 18 3 5 5 16 1 25 SAP via Default Route Configuration Manager gt Protocols gt IPX gt Global gt Advanced Disable Enable Disable Indicates whether a SAP advertisement can be learned from an interface if the network number advertised in the SAP advertisement is unreachable but a default route is accessible from that interface Enable Directs the router to accept a service if a direct or default route to the server is known Disable Accepts a service only if a direct route to the server advertising the service is known This feature gives you the option of making SAP entries available if the IPX default route is reachable Select Enable to enable IPX default routing globally for SAP advertisements Select Disable to turn off default SAP advertisement routing 1 3 6 1 4 1 18 3 5 5 16 1 26 114051 Rev A Configuring IPX Services Note Since it deviates from the IPX Default Route specification enabling this feature may cause the interface to be incompatible with other router implementations Parameter Novell Certification Conformance Path Configuration Manager gt Protocols gt IPX gt Global gt Advanced Default Enable Options Enable Disable Function Indicates whether you want the router to conform to Novell NetWare standards by propagating a N
81. ain servers based upon the action that you specify e Outbound filters affect only outgoing SAP advertisements The router either advertises or suppresses SAP information depending on whether it matches the filter s content based upon the action that you specify e Both applies the same filter pattern to both incoming and outgoing SAP advertisements Site Manager Mode parameter page A 68 Figure 5 15 shows an example of SAP outbound filtering SAP update an pertaining only R1 to Server B R2 Network A H E E Network C Server A not visible to Network B Network D Networks C and D I Drop outbound SAP updates Server B pertaining to Server A IPX0011A Figure 5 15 SAP Filtering 114051 Rev A 5 55 Configuring IPX Services In this example a SAP filter configured on Router R1 prevents SAP advertisements and updates pertaining to Server A from being propagated over the wide area link As a result Server A is invisible to Networks C and D Information pertaining to Server B however continues to be propagated over the WAN link Note While SAP filters restrict a user s view of network service information they do not prevent users from accessing services If users have access to resources co
82. al to a large value the line will be called only infrequently e Use service filtering and or route filtering e Use static routes and static services e Use the default route e Enable local watchdog acknowledgment spoofing e Use traffic filters and protocol prioritization to prohibit routing updates and protocol specific messages from keeping the circuit up unnecessarily see Configuring Traffic Filters and Protocol Prioritization for details Local IPX Watchdog Acknowledgment In a NetWare network NetWare servers broadcast watchdog packets to verify that client nodes are still connected to the server Watchdog packets are just another form of a data packet To maintain the connection the client must respond to this watchdog message essentially responding to a poll With a dial up connection that is when you want to establish periodic connectivity to a remote site using the dial on demand feature this polling mechanism could mean dialing the phone line just to keep the server from bringing down the connection In addition the bandwidth consumed by periodic RIP SAP and watchdog broadcast packets can represent a significant portion of the total dial cost when charged on a per packet basis Depending on the network configuration and the application this excessive broadcast activity can reduce application access performance 5 44 114051 Rev A Customizing IPX To address this problem Bay Networks
83. all SAP Periodic and Triggered updates to routers in neighboring networks When you enable both the listen and supply mode the IPX router performs both the listen and supply mode functions described above Site Manager Mode parameter page A 41 Determining the Pace of SAP Packets The SAP pace determines the frequency in packets per second at which SAP oackets are sent out in a circuit By default SAP sends out 18 packets per second on a circuit If you enter a value of zero there is no limit on the pace Site Manager Pace parameter page A 41 5 26 114051 Rev A Customizing IPX Adjusting the SAP Packet Size By default the size of a SAP update packet is 480 bytes You should leave the SAP packet size at the default level unless you have a specific reason for specifying a different size packet If you must change the packet size the packet size plus the IPX header 30 bytes cannot exceed the MTU of the link Site Manager Packet Size parameter page A 43 Responding to Nearest Server Requests You can specify whether you want the router to respond to SAP get_nearest_server requests If you have disabled split horizon you may want to set the parameter to No Site Manager Nearest Server Reply parameter page A 43 Using a Multicast Address By default when you specify SAP on a router a multicast address is used to send out SAP packets Site Manager Use Mul
84. alls on Dial on Demand circuits the router will acknowledge these SPX Keep Alive packets 114051 Rev A 5 45 Configuring IPX Services Dial Optimized Routing Dial optimized routing lets you exchange IPX RIP SAP routing updates only when a connection is active for data transmission By limiting when the router can send updates dial optimized routing reduces unnecessary connections and line costs For each dial on demand circuit you have the choice of enabling dial optimized routing If you enable dial optimized routing the router establishes a demand connection only for outbound data packets or through requests from the protocol The presence of IPX RIP SAP packets alone will not trigger a dial connection If you disable optimized routing any packet can initiate demand connections Once you have enabled dial optimized routing on a dial on demand circuit the only times the router sends routing updates independent of data are e The first time an IPX interface becomes active e Triggered updates while the circuit is active e Scheduled updates using a broadcast timer You can use dial optimized routing for IPX only after you have enabled it on a PPP dial on demand circuit Refer to Configuring Dial Services for information on how to enable dial optimized routing Default IPX Dial Optimized Routing Filters When IPX is enabled on a dial optimized routing circuit several Priority Queuing PQ filters are created by default
85. alues 0 0 0 0 ccccececcessteeeeeeeceeeeeeeetaeeeeeeeeaeeeesensaes B 3 IPX Change Circuit Parameter Default Values cccceeseeeeeeeeeeteeeeeeeeeteeeeeeneeeees B 4 IPX RIP Circuit Parameter Default Values ccc ccccccecsseceeeeeeecsseeceseeeeesaeeeseaeeeens B 4 IPX SAP Circuit Parameter Default Values 0 ecccceseeeseeteeceeeencaeeeseesaeeeeeseenaes B 5 IPX NetBIOS Static Route Configuration Parameter Default Values cseeee B 6 IPX NetBIOS Static Route Parameter Default Values ccceseceeeseeeeeteeeeeeeeees B 6 Adjacent Host Configuration Parameter Default Values ccccceccseeetteeeseeeteeees B 6 IPX Adjacent Hosts Parameter Default Values ccesceeeceeeseeeseeeeeeeeeeeeeeeeeeetsaes B 7 IPX Static Route Configuration Parameter Default Values 0 ceeeceeeeeeeeeeees B 7 IPX Static Route Parameter Default Values eccceececeeeeseeeeeeeeeeeaeeeeeeeeeseaeeeeeneeeees B 7 IPX Static Service Configuration Parameter Default Values ceeeeeeeeereeees B 8 IPX Static Services Parameter Default Values ccccceeceeeeeeeeeeeeeeeeeeteaeeeeeaeeeees B 8 Route Filter Configuration Parameter Default Values 0 cccceceeeeeeeeeeeeeeeeeeeeees B 9 IPX Route Filter Parameter Default Values 0 8 E AN EEE E B 9 SAP Network Filter Configuration Parameters sisssssneinisnirmiiisnnnsnsaseess B 10 IPX SAP Network Level Filter Parameter Descriptions
86. ame can be up to 47 characters long and can contain the characters A through Z a through z 0 through 9 and the special characters underscore _ hyphen slash and at signs Some valid names include e AAaabbBBxxXXXS 1234 e myrouter first_floor e Chicago_office Site Manager Router Name parameter page A 7 Indicating the Protocol Negotiated for an Interface When you specify an IPXWAN interface on a circuit you must indicate the protocol negotiated for this interface The choices are RIP and Unnumbered RIP Site Manager Negotiated Protocol s parameter page A 6 4 8 114051 Rev A Customizing IPX for WAN Media Sample IPXCP and IPXWAN Configurations Figure 4 3 shows a local router communicating with a remote router using IPXCP over PPP and the same local router communicating with a remote router using IPXWAN over Frame Relay Network Number 00000003 IPXCP IPXCP _ a Interface eT Local Router Remote Router 1 PNN 00000012 CNN 00000019 IPXWAN Primary Frame Relay IPXWAN Secondary Network Number 0x00000019 Remote Router 2 PNN 00000007 CNN 00000020 IPX0002A Figure 4 3 IPXCP and IPXWAN Configurations IPXCP Link Negotiation In Figure 4 3 the local router and Remote R
87. and SAP services using their default values To change any of their default values refer to Appendix B The IPX Configuration window appears Complete the IPX Configuration window If you are configuring a LAN or WAN circuit you must supply the following information e A configured network number A configured network number is any valid IPX network address in hexadecimal notation If you are configuring this interface as Unnumbered RIP supply the value zero for the configured network number If you are trying to establish a connection to a Series 5 Bay Networks router or a router that does not implement IPXWAN or PPP then you must enter a nonzero network address for example the network address of the link If you are configuring an IPX interface that will enable IPXWAN services do not supply a configured network number Site Manager Configured Network Number hex parameter page A 2 1 2 114051 Rev A Starting IPX Services e The encapsulation method By default IPX supplies an encapsulation method that is media dependent The encapsulation method supports communication on a specific logical link Check to make sure that the supplied encapsulation method matches the one the clients and servers on the same logical network use and is appropriate for the physical circuit as follows Ethernet circuits support Ethernet LSAP Novell and SNAP frames Token ring circuits support LSAP and SNAP
88. aracter You can combine the F and 0 characters in any order in the mask to filter any combination of network and or area addressing schemes used within the IPX internetwork 114051 Rev A 5 53 Configuring IPX Services For example suppose you want to filter the range of network addresses from ABCD1200 to ABCD12FF To do this you would define e A filter ID of ABCD12FF and e A mask of FFFFFFOO In this example the filter ID says This is the pattern to match The mask says The first six characters of the address must match the filter ID but the last two characters are irrelevant The IPX Route Filters window displays each route filter entry in the router configuration as follows lt rule_number gt lt priority gt lt circuit_index gt lt filter_ID gt lt filter_mask gt Once you have configured route filters you can easily drop all routes to allow one or more specific routes To drop all routes apply a filter at a low priority For example in the IPX Route Filters window enter the value OxFFFFFFFF for the Target Network parameter the value OxFFFFFFFF for the Target Network Mask and set the Action parameter to Suppress Add the filters you want by specifying higher priorities to advertise specific routes For example enter the value 0x3081be86 for the Target Network parameter the value OxFFFFFFFF for the Target Network Mask parameter and set the Priority parameter to 1 Using SAP Filters Brie
89. arameter Default MIB Object ID Configured Network Number None 1 3 6 1 4 1 18 3 5 5 17 1 22 Configured Encaps Circuit Medium Dependent 1 3 6 1 4 1 18 3 5 5 17 1 40 Circuit Index System assigned 1 3 6 1 4 1 18 3 5 5 17 1 6 IPXWAN Enable Not Applicable Common Network Number None 1 3 6 1 4 1 18 3 5 5 17 1 24 Negotiated Protocols Unnumbered RIP 1 3 6 1 4 1 18 3 5 5 17 1 8 IPX RIP Circuit Parameter Default Values This section describes how to set all parameters shown on the IPX RIP Circuit window The IPX circuit identifier appears in the window title Table B 5 IPX RIP Circuit Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 32 1 2 Mode Standard 1 3 6 1 4 1 18 3 5 5 32 1 6 Pace 18 packets second 1 3 6 1 4 1 18 3 5 5 32 1 7 Update Interval sec 60 seconds 1 3 6 1 4 1 18 3 5 5 32 1 8 Age Multiplier 6 80 second increments up to a total of 1 3 6 1 4 1 18 3 5 5 32 1 9 180 seconds Packet Size 432 bytes 1 3 6 1 4 1 18 3 5 5 32 1 10 Use Multicast Yes 1 3 6 1 4 1 18 3 5 5 32 1 14 Split Horizon Enable 1 3 6 1 4 1 18 3 5 5 32 1 15 Immediate Update Enable 1 3 6 1 4 1 18 3 5 5 32 1 17 B 4 114051 Rev A IPX Default Parameter Settings Table B 5 IPX RIP Circuit Parameter Default Values continued Parameter Default MIB Object ID Default Route Supply Disable 1 3 6
90. arameter A 24 l Immediate Update IPX SAP circuit parameter A 45 InfoFACTS service xxvii information broadcast RIP 5 13 interface parameters editing A 21 B 3 Internet Data Packet IDP format 2 2 internetwork addressing 2 2 intranode addressing 2 2 IPX background information 2 5 deleting IPX from the router 1 5 IPX advanced global parameters descriptions A 21 editing A 21 IPX change circuit parameters A 39 IPX configurations standard 3 5 IPX interface parameters editing A 21 IPX over WAN media 2 3 link configurations 4 11 IPX parameters accessing via Technician Interface A 9 IPX ping 5 12 IPX ping support 5 69 IPX route filter parameters descriptions A 66 IPX service name filter configuration parameter descriptions A 79 parameter descriptions A 81 IPX service network filter parameters descriptions A 74 114051 Rev A Index 3 Configuring IPX Services IPX static service configuration parameter descriptions A 58 parameter descriptions A 61 IPX watchdog acknowledgment 5 44 IPX Watchdog Spoofing IPX interface parameter A 28 IPXCP 2 3 4 1 link configurations 4 10 link negotiation 4 9 sample configuration 4 9 using 4 2 IPXWAN 2 3 4 2 link configurations 4 10 link negotiation 4 10 sample configuration 4 9 using 4 2 IPXWAN connection negotiating 4 3 L LAN circuits 2 5 logical 3 3 physical 3 3 link delay WAN link 4 3 link negotiation 4 2
91. arameter for those interfaces is set to Enabled and it s set to Disabled for the other interfaces The arrows in Figure 5 11 show the flow of packets in this same model 5 38 114051 Rev A Customizing IPX Network 2 Network 4 IPXO017A Figure 5 11 NetBIOS Packet Flow The Accept parameter of the interface receiving NetBIOS broadcast packets and the Deliver parameter of the other interface must both be set to Enabled for delivery of such packets to occur For example Interface 1 can deliver only packets from Interface 2 to Network 1 because Interface 2 is the only other interface whose Accept parameter is set to Enabled Thus NetBIOS client applications on Network 1 can initiate and establish sessions with NetBIOS server applications only on Network 3 NetBIOS client applications on Network 2 can initiate and establish sessions with NetBIOS server applications only on Networks 1 and 3 Client applications on Networks 3 and 4 cannot initiate any sessions with NetBIOS server applications via the IPX router 114051 Rev A 5 39 Configuring IPX Services As another example in Figure 5 12 NetBIOS broadcasts from the End System ES1 on Network A are accepted by Router R1 but can be prohibited from Network C by setting the Deliver parameter on the interface of Router R1 connected to Network C to Disable NetBIOS broadcasts will still be delivered on Network B ES 2 ES1 R1 Network A O gt ENIE
92. ate Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Enable Enable Disable When a change in status occurs for this circuit immediately propagate that information to other routers in the internetwork Accept the default Enabling this parameter facilitates network traffic by letting routers know immediately about new or failed routes When this parameter is disabled other routers learn about such changes only at the next periodic update interval 1 3 6 1 4 1 18 3 5 5 32 1 17 A 38 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Default Route Supply Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Disable Enable Disable If a default route exists in the routing table this parameter specifies whether to advertise the default route OXFFFFFFE in RIP packets Select Enable to enable default route supply that is to advertise the default route on this circuit Select Disable to disable default route supply that is not advertise the default route on this circuit 1 3 6 1 4 1 18 3 5 5 32 1 18 Default Route Listen Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Disable Enable Disable Specifies whether to accept the default route OxFFFFFFE in RIP packets received on this circuit Select E
93. ate for the type of physical circuit you are configuring e Ethernet circuits support Ethernet LSAP 802 2 Novell 802 3 and SNAP frames e Token Ring circuits support LSAP and SNAP frames e FDDI circuits support LSAP and SNAP frames Site Manager Enable parameter page A 10 Site Manager Configured Encaps parameter page A 4 For more information about configuring a physical LAN circuit refer to Configuring Routers Identifying a Circuit The Site Manager automatically assigns a circuit identifier to each circuit that you create on an IPX router You can assign a specific circuit identifier if necessary Site Manager Circuit Index parameter page A 4 Setting Additional Router Parameters You can configure your Bay Networks router to serve as either a multiple host or single host router Configuring a Multiple Host Router A multiple host router is a common configuration that supports one IPX interface per circuit and each interface has a unique IPX host number For this configuration leave the Multiple Host Address Enable parameter at its default setting Enable The host number of each IPX interface is based on the MAC address of the underlying circuit For Ethernet or FDDI circuits you can specify the multiple host address in the Host Number field on the IPX Interface window Site Manager Multiple Host Address Enable parameter page A 10 114051 Rev A 3 5 Configuring IPX
94. ath Default Range Function Instructions MIB Object ID Target Service Type hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Service Name Filters None Any valid Novell service type number in 4 digit hexadecimal format Specifies the type of service that the filter should recognize in its criteria for allowing certain SAP broadcasts to pass to the locally attached network segment Enter the service type number in 4 digit hexadecimal format Include leading zeros For all types enter a value of FFFF See Appendix A for a list of valid service types 1 3 6 1 4 1 18 3 5 5 31 1 7 Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Service Name Filters None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s priority relative to other filters of the same type for this interface Lower values indicate higher priorities The highest priority is 0 1 3 6 1 4 1 18 3 5 5 31 1 13 A 80 114051 Rev A IPX Parameters IPX Service Name Filter Parameters This section describes how to set all parameters shown on the IPX Service Name Filters window Target Service Home Target Service Tie thes Filter Priority Hode Figure A 22 IPX Service Name Filters Window Parameter Enable Path Configuration Manager gt P
95. atic route record in the NETBIOS routing table If you are sending NetBIOS packets through a network you should enable this feature Site Manager Enable parameter page A 48 Entering the Name of the NetBIOS Target Server When you send NetBIOS packet over a network you must specify the name of the NetBIOS target server The name can be up to 16 alphanumeric characters For a list of the wildcards and pattern matching characters refer to Table 5 1 on page 5 59 Site Manager Target Server parameter page A 46 Note The Configuration Manager does not let you reconfigure the Target Server parameter for a static route If you want to change this parameter you must delete the static route and add a new route However you can reconfigure all other parameters associated with a static route Entering the Target Network Address When you send NETBIOS packets over a network you must specify the address of a destination network that you want to receive NetBIOS broadcast packets destined for the specified target server Site Manager Target Network hex parameter page A 46 114051 Rev A 5 35 Configuring IPX Services Directing a NetBIOS Packet Using Nonstandard Static Routing You can direct a NetBIOS packet through a network by configuring a NetBIOS static route in the first Bay Networks router to receive a NetBIOS broadcast packet To do this you must set the Novell Certification Conforma
96. atic service configuration parameters descriptions A 58 static service parameters editing A 61 static services deleting A 64 parameter descriptions A 61 SAP service network configuration 5 30 Support Source CD xxvi Index T Target Network IPX NetBIOS static route parameter A 46 A 48 Target Server IPX NetBIOS static route parameter A 46 Technician Interface accessing IPX parameters A 9 tick as basis for routing decision 5 12 cost 5 13 definition 5 13 A 14 RIP timer maximum 5 15 tick based routing 4 3 timeout RIP entries 5 18 timer configurable SAP timers 5 25 RIP configurable 5 18 RIP and SAP broadcast 5 48 Token Ring configuring host ID numbers 3 8 Token Ring interface configuring IPX on 3 8 Token Ring line detail parameters MAC Address Override 3 9 MAC Address Select 3 9 Token Ring endstation support 5 67 TR End Station IPX interface parameter A 25 traffic filters with Dial on Demand 5 44 Type 20 broadcast packet NetBIOS 5 12 5 33 U Unnumbered RIP 2 3 Update Interval 114051 Rev A Index 7 Configuring IPX Services IPX RIP circuit parameter 5 49 A 36 IPX SAP circuit parameter 5 49 A 42 upper layer protocol handling packets associated with 5 12 W WAN circuits 2 5 link delay 4 3 media 4 2 watchdog acknowledgment 5 44 watchdog spoofing parameter A 28 wildcards with SAP filters 5 57 World Wide Web Bay Networks home page on
97. ations are successful on the WAN link each router connected on the link can advertise information in its routing forwarding tables IPXWAN and IPXCP Link Configurations Table 4 1 shows the various WAN protocol configurations likely to exist within local and remote IPX router interfaces Find the configuration that applies to your situation as indicated in the table and read the corresponding description that follows 4 10 114051 Rev A Table 4 1 Customizing IPX for WAN Media Configuration Table for IPX Over WAN Media Local IPX Interface Remote IPX Interface IPXWAN with IPXCP IPXWAN but not IPXCP PPP with IPXCP no IPXWAN PPP without IPXCP no IPXWAN IPXWAN with IPXCP Configuration 1 Configuration 2 Configuration 3 Configuration 4 IPXWAN but not IPXCP Configuration 2 Configuration 2 Configuration 4 Configuration 4 PPP with IPXCP no IPXWAN Configuration 3 Configuration 4 Configuration 3 Configuration 4 PPP without IPXCP no IPXWAN Configuration 4 Configuration 4 Configuration 4 Configuration 4 Bay Networks 11 00 to Bay Networks Series 5 x IPX Router Compatibility Configuration 1 IPXWAN with IPXCP on Both Interfaces In this configuration IPXWAN defers to IPXCP for link negotiation e IPXWAN negotiation supersedes IPXCP negotiation regardless of whether IPXCP negotiation succeeds e IfIPXWAN neg
98. ay Each IPX router maintains a route table The route table contains the following information about every network in the IPX network topology e The network address e The number of ticks units of delay time to that network A tick is equal to about 1 18 of a second The number of ticks to a network is the tick cost for that route e The number of hops to that network A hop is an adjacent router the number of hops is equal to the number of adjacent routers that a packet must traverse to reach another network segment e The address of the next hop node to which the local router forwards packets on their way to another destination network Routers maintain route tables by exchanging RIP request and response packets A RIP request packet specifies the destination network A RIP request packet can be e A general request broadcast by a router to retrieve the fastest route to all known networks on an internetwork The value OxFFFFFFFF in the network address field indicates that the packet is a general request e A specific request broadcast by a workstation or router to determine the fastest route to a particular network One or more network addresses excluding an address of all Fs in the network address field indicates that the packet is a specific request Routers issue RIP response packets RIP response packets contain the network number and the number of hops and ticks required to get to the network A RIP response can be one
99. bandwidth by controlling the flow of NetBIOS traffic The NetBIOS Accept and NetBIOS Deliver parameters on the IPX Interfaces window let you configure each interface to accept and forward NetBIOS broadcasts By default both of these parameters are disabled Site Manager NetBIOS Accept parameter page A 26 Site Manager NetBIOS Deliver parameter page A 26 Note The description that follows assumes that the NetBIOS destination name found in the packet does not match an entry in the NetBIOS Static Routing table 114051 Rev A 5 37 Configuring IPX Services With NetBIOS Accept enabled on an interface the IPX router accepts NetBIOS broadcast packets received on that interface For example in Figure 5 10 the IPX router accepts NetBIOS broadcast packets received only on Interfaces 1 and 2 because the Accept parameter for those interfaces is set to Enabled Interface 1 sy Interface 2 Accept Enabled PX Router Accept Enabled Deliver Enabled l Ls Deliver Disabled Interface 3 Interface 4 Accept Disabled _ s Accept Disabled Deliver Enabled Deliver Disabled Network 4 IPX0016A Figure 5 10 NetBIOS Packet Filtering With Deliver enabled on an interface the IPX router delivers NetBIOS broadcast packets that are routed to that interface For example in Figure 5 10 the IPX router delivers NetBIOS broadcast packets only to Interfaces 1 and 3 because the Deliver p
100. c SAP advertisements by setting configurable SAP timers to zero thus only triggered SAP updates will be propagated To ensure proper RIP operation all configurable RIP timers must be set at equal advertisement intervals on all Bay Networks router interfaces attached to common IPX network segments Note While you can set configurable SAP timers on any Bay Networks router interface do not use them on LAN interfaces because IPX servers do not currently support configurable SAP broadcast timers As a result IPX servers will purge SAP entries after 180 seconds if they have not received any updates within this time interval 114051 Rev A 5 25 Configuring IPX Services SAP via Default Route A SAP advertisement can be learned from an interface when the network number advertised in the SAP advertisement is unreachable if a default route is accessible from that interface This feature gives you the option of making SAP entries available if the IPX default route is reachable Site Manager SAP via Default Route parameter page A 19 Enabling SAP Listen and Supply Functions The IPX router lets you enable the listen and supply modes for each IPX interface When you enable the listen mode the IPX router listens to SAP Periodic and Triggered updates from neighboring networks and conveys received SAP services information to its internal SAP services table When you enable the supply function the IPX router transmits
101. c routing 5 36 use with standard static routing 5 37 NetBIOS packet flow 5 40 NetBIOS static routes configuration parameter descriptions A 45 parameter descriptions A 47 NetWare bindery 5 24 Directory Services NDS 5 24 Novell 3 4 network fully meshed 5 20 nonfully meshed 5 21 network address logical 3 3 Network Control Protocol NCP 4 2 network number 4 3 primary 4 7 network numbers setting for IPXCP 4 4 setting for IPXWAN 4 4 network level services 2 3 nonfully meshed network 5 21 split horizon disabled 5 22 Novell NetWare 3 4 standards 5 49 Novell Certification Conformance advanced global parameter A 20 Novell Inc 2 2 number of IPX interfaces per circuit 3 9 Index P Pace IPX RIP circuit parameter A 36 IPX SAP circuit parameter A 41 Packet Size IPX RIP circuit parameter A 37 IPX SAP circuit parameter A 43 pattern matching concatenation rules and operators 5 61 SAP filters 5 56 5 59 periodic RIP advertisement interval 5 18 5 25 Permanent Virtual Circuit PVC 4 3 physical LAN 3 3 ping 5 69 ping capability 5 12 PNN primary network number 4 7 PPP point to point protocol 4 2 precedence priority multipath routing 5 6 Primary Net Number IPX global parameter A 21 primary network number PNN 4 7 purging RIP entries 5 18 PVC Permanent Virtual Circuit 4 3 R regular expression RE 5 59 request packet RIP 5 13 response packet RI
102. ce provides access to a switched network by means of a dial up line also called a switched line Dial up lines are active only as needed that is when there is data to send across the network or when a dial up line acts as a resource for a failed or congested leased line Dial up lines can be a cost effective alternative to leased lines and packet networks which are permanent connections and therefore available regardless of network traffic If you send a limited amount of data or your data transmission is intermittent dial up lines can be less expensive than leased lines and they maximize network performance and flexibility The Bay Networks router provides three types of dial services dial on demand dial backup and bandwidth on demand Each dial service serves a different purpose e Dial on demand service reduces your line costs by establishing a connection between two devices only when there is data to send You do not incur the cost of a leased line that is active regardless of data traffic e Dial backup service provides a backup circuit when a leased circuit fails The backup circuit serves as an alternative path for data to reach the destination 114051 Rev A 5 41 Configuring IPX Services e Bandwidth on demand service provides up to 29 additional lines for a congested leased line a dial on demand line or a leased multilink bundle This provides a total of 30 lines for communication The additional lines increase ba
103. ce with crossover management information base nonbroadcast multi access Network Core Protocol Open Systems Interconnection Open Shortest Path First Protocol Public Data Network Point to Point Protocol Routing information field Routing Information Protocol Service Advertisement Protocol switched multimegabit data service Simple Network Management Protocol Sequenced Packet Exchange specific route explore shielded twisted pair Transmission Control Protocol Internet Protocol Telecommunication Network Trivial File Transfer Protocol twisted pair Ethernet unshielded twisted pair wide area network XX 114051 Rev A About This Guide Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from the Bay Networks Press at the following telephone or fax numbers e Telephone U S Canada 1 888 4BAYPRESS e Telephone International 1 510 490 4752 e Fax 1 510 498 2609 You can also use these numbers to request a free catalog of Bay Networks Press product publications 114051 Rev A xxi Technical Support and Online Services To ensure comprehensive network support to our customers and partners worldwide Bay Networks Customer Service has Technical Response Centers in key locations around the globe e Billerica Massachusetts e Santa Clara California e Sydney Australia e Tokyo Japan e Valbonne France The Technical
104. ceceeeeeeeee cece eeeaaeeeeeeeetaaaeeneneeess 4 7 Ertenng a router Name ececscrscidonrnrda eee eats 4 8 Indicating the Protocol Negotiated for an Interface 2 0 2 eeccecceeeeeeneeeteeeeeeeteeeenees 4 8 Sample IPXCP and IPXWAN Configurations ce yad E en AQ PXOF LNK OG OURDOM ciiisean aE 4 9 vi 114051 Rev A PAN Link SS Ot aUOI rccisinnedunsecaionnedasiontareuicnrenccaindatoN anions 4 10 IPAWAN and IPACP LINK COMMGUIATIONS sssini annnak 4 10 Configuration 1 IPXWAN with IPXCP on Both Interfaces cceeeeeeeeseeteeeeteeeeeee 4 11 Gonfiguration Guidelines Configuration siuiidirseinisianiini n 4 11 Configuration 2 IPXWAN on Both Interfaces ee P EE P T 4 12 Configuration Guidelings CONMQUIATION 2 sisscccccsisssaidccsiantinsuesancecerinateiigenteniivese 4 12 Configuration 3 Only IPXCP on Both Interfaces siiiisiiaiyssnsanians iiuair 4 12 Configuration Guidelines Configuration 3 c cc ccccccccesicccssceestsctevecteneenececsieneteeensaese 4 12 Es i tele lee ela a E rer pee chon Peery EE IA Tire crerr Trem rrr errr Tere 4 13 CREDI IP aap eeee mete teee tat rere tte ney E armr er oer 4 13 Chapter 5 Customizing IPX Customizing Advanced Global Parameters ccccscceceeeeeeeneeeeeeeeeeaaeeseeeeeeeaaeeneeeee 5 2 Setting the Maximum Nomber OF Paths scpiccccessced sie hexsdacascadteencecaienneietenadaeereensdenees 5 2 OVC tinny a Log Fitenng Mode rsads aininn NA far nade 5 2 Specifying the
105. ces offers A quick start procedure for starting IPX services refer to Chapter 1 An overview of the IPX protocol and a description of how Bay Networks routing services work refer to Chapter 2 Instructions on enabling IPX and IPXWAN refer to Chapters 3 and 4 Instructions on editing IPX global and interface parameters and configuring IPX services refer to Chapter 5 A detailed description of each IPX parameter refer to Appendix A A list of the default settings for the IPX parameters refer to Appendix B A list of common service types and identifiers refer to Appendix C Sample IPX configurations refer to Appendix D For information and instructions about the following tasks see Configuring Routers Retrieving a configuration file Rebooting the router with a configuration file 114051 Rev A xvii Configuring IPX Services Audience Written for system and network managers this guide describes how to configure the Bay Networks implementation of IPX protocol to suit your environment Whether you use Novell software or a combination of Novell and compatible third party systems this guide provides the options you need to communicate and share resources on your network Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router refer to the installation manual that came with your router e Connect the router to the network and create a pilo
106. dge that such portions of the software were developed by the University of California Berkeley The name of the University may not be used to endorse or promote products derived from such portions of the software without specific prior written permission SUCH PORTIONS OF THE SOFTWARE ARE PROVIDED AS IS AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE In addition the program and information contained herein are licensed only pursuant to a license agreement that contains restrictions on use and disclosure that may incorporate by reference certain limitations and notices imposed by third parties ji 114051 Rev A Bay Networks Software License Note This is Bay Networks basic license document In the absence of a software license agreement specifying varying terms this license or the license included with the particular product shall govern licensee s use of Bay Networks software This Software License shall govern the licensing of all software provided to licensee by Bay Networks Software Bay Networks will provide licensee with Software in machine readable form and related documentation Documentation The Software provided under this license is proprietary to Bay Networks and to third parties from whom Bay Networks has acquired license rights Bay Networks will not grant any Software license whatsoe
107. e E E A E T 5 32 Entenna ine Serice TPE NIU MMIEY sariin an EAE 5 32 Entering the Socket Address of a ServiCe assiiiuissiiisinuanraissninsiannaida nanii 5 33 ALS AER me Hop GOUNE atetessacares bis sceietehucadea horn a 5 33 G ustomizng NeiBIOS Static POUUNG siainen a NAAR 5 33 Activating the Static Route Record in the NetBIOS Routing Table e 5 35 Entering the Name of the NetBIOS Target Server ceccccsceecceseneeeereeeneeeeeenees 5 35 Entering the Target Network Address cccescecceesseceeeeeeseneeeeeesseneeseeeeeneeeeeeeeaees 5 35 Directing a NetBIOS Packet Using Nonstandard Static Routing ceeeeee 5 36 Directing a NetBIOS Packet Using Standard Static Routing eeceeeeeeees 5 37 NGIBIOS Broadcast Filie E iruan cen 5 37 Configuring an Adjacent Host for an Interface 0 c8 EE T seventies 5 40 Making the Adjacent Host Record Active c ccccccssccceeeeeseeceeeeenseceeeeeesseeeeeeeessees 5 40 Entering the ID ofthe Adacent GST sci cacteuducheaetasisincss pads ceomaubadbiactideciatuneseeasanans 5 41 Entenng a WAN Address OF a DLO sssrinin iaei 5 41 Dalo eneen siria RA NORS 5 41 Using Dial on Demand Service Svein P E E opti 5 42 Usmo Sialic Routing with Diakon Demand iscissi 5 43 Tips for Using Di l on Demand with IPX seccsiaccceseccsiias conneesabcanaraniedeunanacatanenssanastes 5 44 Local IPX Watchdog Acknowledgment i iicicketeinicieressiiccsosoticcnste
108. e across point to point links between two Bay Networks routers while IPX multipath operates across a random topology both LAN and WAN e Multiline is protocol independent while IPX multipath is IPX based e Multiline circuits require WAN links of equal bandwidth on which to distribute IPX traffic while IPX multipath supports links of varying speeds e Miultiline circuits do not support the adoption of alternative links when WAN links fail Selecting the GNS Response Mode When a server responds to a get_nearest_server request it can either sort through all server names alphabetically or select the last server learned Site Manager GNS Response Mode parameter page A 20 5 8 114051 Rev A Customizing IPX Customizing Interface Parameters Any IPX interface you add to a physical circuit inherits a default set of IPX parameter values from the global slotwide IPX process These interface parameters determine how IPX behaves on individual router interfaces You can customize the parameters that belong to a specific interface by modifying the values of the Interface Parameters found on the IPX Interface window Enabling IPX Routing on an Interface After you add an interface to a circuit you can enable or disable IPX routing on this interface IPX routing is automatically enabled on an interface Site Manager Enable parameter page A 22 Entering a Symbolic Name for an Interface You can specif
109. e query request packet out of all IPX interfaces in conformance with the IPX specification In Figure 5 9 for example when End System ES2 wants to find and establish a connection to a NetBIOS application on the IPX Server ES2 it generates a query request broadcast packet Router R1 receives the broadcast packet consults its NetBIOS Name to IPX Destination Network table finds that the NetBIOS application being requested is mapped to Network B and routes the packet out Interface 1 Similarly Router R3 consults its NetBIOS Name to IPX Destination Network table upon receiving the NetBIOS query request and routes the packet out its interface to Network B R2 L Interface 3 Tick Delay 6 ESI Interface 1 ES2 R1 Tick Delay 3 R3 Network A El L Network B mokal z Interface 2 Tick Delay 12 IPX Server IPX0015A Figure 5 9 NetBIOS Static Routes 5 34 114051 Rev A Customizing IPX Each IPX router interface supports up to 50 NetBIOS static routes Each NetBIOS static route specifies a NetBIOS resource name and a destination network where the resource resides Activating the Static Route Record in the NetBIOS Routing Table You can specify the state active or inactive of the st
110. e type number in 4 digit hexadecimal format including leading zeros This number specifies the type of service to advertise from the associated IPX LAN interface See Appendix C for a list of common service types Site Manager Service Type hex parameter page A 59 5 32 114051 Rev A Customizing IPX Entering the Socket Address of a Service You must enter a socket address when you are using a static service Site Manager Socket hex parameter page A 63 Entering the Hop Count Enter the number of router hops that exist between a router and a specific remote Novell server or service Site Manager Hop Count parameter page A 63 Customizing NetBIOS Static Routing NetBIOS establishes sessions logical connections and allows for communication between PCs The Bay Networks NetBIOS static route function lets you map NetBIOS names to IPX destination networks by configuring a NetBIOS static route to a NetBIOS service name The IPX router then converts the broadcast NetBIOS packets to directed broadcast NetBIOS packets which are usually forwarded to all network interfaces on a single network This reduces the amount of network traffic due to NetBIOS query requests that is broadcasts issued by NetBIOS clients seeking to find and establish sessions with specific NetBIOS applications over an IPX internetwork Besides minimizing NetBIOS broadcast traffic using NetBIOS static routes allows a
111. ed routing Site Manager Stabilization Timer Delay secs parameter page A 28 RIP SAP Triggered Updates IPX sends triggered updates whenever a routing change occurs while the dial on demand circuit is active However with dial optimized routing enabled triggered updates will not initiate a dial on demand connection The updated information will however be held in the routing table and forwarded the next time the circuit comes up for data transmission or for a scheduled update Determining the Frequency of Scheduled Updates By default IPX sends out scheduled updates every 60 seconds You can use Site Manager to regulate the frequency of broadcast updates 114051 Rev A 5 47 Configuring IPX Services The value you specify for the frequency of scheduled updates allows the router to accumulate routes for the specified period of time The higher the number you enter the longer the time available to accumulate routes and the less frequent the transmissions If you enter zero the router will not send out any periodic RIP updates over the IPX interface However RIP immediate one time update packets still propagate through the network in compliance with Novell standards Site Manager Update Interval sec parameter page A 36 You must enable IPX watchdog spoofing or the router will continually dial the circuit whenever watchdog packets are sent When enabled watchdog spoofing enables a router to respond l
112. eees A 47 Adjacent Hosts Configuration PARAMGIOlS siisscccnssscctieesssneiedoraccsieomnsennreatasimranciianniens A 49 FX Adacent Hosis Paramolars siscancsscesateusoricaatioorcdauiincateerianiiercdamiancaiseeninns A 51 IPX Siatic Route Configuration Parameters seiiccsiscccaissiccccsdanaanrksieneeactsoenieiersdsoenonnads A 53 x 114051 Rev A IPX Static Route Parameter Descriptions iisscscicscsasccccesvssscactavansccetetaanccetevnaneasn acess A 56 IPX Static Service Configuration Parameters cccccccceceeeeseceeeeeeeeeeeeeeeeeeeaaeeseaes A 58 IPX Static Service Parameters 2c necesita oat earch A 61 Route Filter Configuration Parameters vccanticsriscte axdcenaveaRaadeciaedecilesaeatadiness A 64 IPX Route Filter Parameters PE T EE E PAT ET EET aans A 66 Service Network Filter Configuration Parameters iscsisrsrismrsniossnrnosnmnnenasannas A 71 IPX Service Network Filter Parameters cccccsssccecesesseeeeeeeeeeeeeseeeaeeeeeeeseeeeeeenaaes A 74 IPX Service Name Filter Configuration Parameters c ccesccececeeeeeceeeeeteeeeeaeeneaes A 79 IPX Service Name Filter Parameters sisiictiascsiicuriiiiaidaiuianiadidiaianauinnd A 81 Appendix B IPX Default Parameter Settings IPX Global Parameler DEUS ccs cecccccieicocerscaccentetstencimatiecniieders ied ivedensecineasiieenieanes cheeses B 1 IPX Advanced Global Parameter Default Values tceceeeseeeeeeeeeeeeeeeteeeeeeeeeees B 2 IPX Interface Parameter Default V
113. efault Route Information When a router receives a RIP packet that advertises a default route and if the Default Route Accept parameter is enabled on the receiving RIP interface the default route is stored in the routing table Site Manager Default Route Listen parameter page A 39 Customizing SAP Parameters NetWare network services use the Service Advertising Protocol to inform clients of their presence NetWare services use the SAP identification broadcasting services to tell clients their name type and IPX address The IPX address in a broadcast identifies a server s location in terms of network host and socket Site Manager Enable parameter page A 40 114051 Rev A 5 23 Configuring IPX Services NetWare Directory Services NDS and SAP Networks that implement NetWare 4 x use the NetWare Directory Services NDS to advertise services NDS is a globally distributed network database that replaces the bindery used in NetWare versions earlier than 4 0 Workstations locate services by querying an NDS server NDS maintains information about all network resources users groups servers file volumes printers and so on in a hierarchical tree structure Network resources can be organized in the tree independent of their physical location Thus network users can access any network resource they have rights to without having to know the exact location of the resource With NDS users no longer need t
114. eps below to start IPX using Bay Networks default settings You supply only the necessary configuration settings and accept all other default settings For conceptual information on IPX refer to Chapter 2 For information on customizing the way IPX runs on the router to meet your needs refer to Chapters 3 through 5 For information on changing the default settings refer to Appendix B Starting IPX IPX can operate over LAN or WAN media This section describes how to get IPX and optionally IPX WAN services up and running on a circuit We assume that you have read Configuring Routers To use IPX first start Site Manager and then follow these steps 1 Select Configuration Manager in either local remote or dynamic mode from the Tools menu The Configuration Manager window appears 2 Open a configuration file if local or remote mode is selected 114051 Rev A Configuring IPX Services 3 Select a circuit Select the circuit you want to configure If this is a local mode configuration specify router hardware Select a protocol If you are running IPX over a WAN select a WAN protocol usually PPP or Frame Relay Note Selecting Frame Relay PPP or SMDS on a WAN circuit automatically enables protocol prioritization 5 Select IPX or RIP SAP which automatically selects IPX as well from the Select Protocols window If you selected RIP SAP from the Select Protocols window the router enables both RIP
115. er for IPX on a Token Ring Circuit In a configuration with IPX logical interfaces on a Token Ring circuit the data link layer address is a MAC layer address In Bay Networks routers you set the MAC layer address for the circuit and the host ID number for the IPX interface independently However the host ID number for every IPX logical interface on a given Token Ring circuit must be identical to the MAC address set for that circuit Otherwise the logical interface would send frames that contained an incorrect source MAC address or the interface would listen for frames at the wrong MAC address Site Manager Router Host Number hex parameter page A 11 3 8 114051 Rev A Customizing IPX for LAN Media Token Ring MAC Address Selection For Token Ring circuits you can select the means by which the router determines the MAC address for a circuit by setting the MAC Address Select parameter on the Token Ring configuration window for that circuit to one of the following e PROM This is the default setting The circuit retrieves the MAC address that is stored in a PROM on the supporting link module e BOXWIDE The circuit generates a MAC address based on the serial number of the backplane of the router Caution The IPX boxwide host address and the Token Ring MAC address must agree when the Multiple Host Address parameter is disabled e CNEFG You can configure a MAC address Caution Changing the setting of
116. er to SAP packets advertised by the specified interface Specify Inbound if you want to apply the filter to SAP packets coming into this interface Specify Both if you want to filter both inbound and outbound packets 1 3 6 1 4 1 18 3 5 5 31 1 8 Protocol Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter Any Any Local Static SAP Applies this outbound filter only to services learned on the specified protocol when sending SAP updates This does not apply to inbound services Specify the protocol on which you want to apply the filter 1 3 6 1 4 1 18 3 5 5 31 1 10 114051 Rev A A 83 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Action Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter Advertise Accept Advertise Accept Suppress Specifies how to process any SAP advertisement that matches the SAP filter criteria you established in the Target Service Name and Target Service Type parameters Select Advertise Accept to enable the filter to allow advertisement or acceptance of services that match the filter criteria you established in the Service Name and Service Type parameters Select Suppress to configure the IPX router to drop SAP advertisements that match the SAP filter criteria you established in the Service Name and Service Type parameters 1 3 6 1 4 1 18 3 5 5 31 1 9
117. er to issue a multicast packet on all active virtual circuits The value is not actually included in the MAC field of the packet on the WAN The packet instead contains a value that is appropriate for the type of data link protocol Leave blank to accept the default value or enter a WAN multicast address to send all multicast traffic through the IPX interface you are configuring With the default value the IPX router sends all multicast traffic through all logical connections associated with the IPX interface you are configuring 1 3 6 1 4 1 18 3 5 5 17 1 30 114051 Rev A A 27 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID IPX Watchdog Spoofing Configuration Manager gt Protocols gt IPX gt Interfaces Disable Enable Disable Specifies whether a router can respond locally to broadcast IPX watchdog packets on behalf of clients that use dial in connections When you enable this parameter you also enable SPX Keep Alive Spoofing Enable local watchdog packet acknowledgment to improve the efficiency of IPX wide area links 1 3 6 1 4 1 18 3 5 5 17 1 64 Delay Configuration Manager gt Protocols gt IPX gt Interfaces 0 0 to 2147483647 Specifies the length of time in microseconds required t
118. ernetwork performance between Networks A and B even though it traverses two T1 lines instead of one R2 EC JL Interface 3 Tick Delay 6 ES 1 Interface 1 ES 2 R1 Tick Delay 3 R3 Network A ae ee El Network B Interface 2 Tick Delay 12 Figure 5 3 IPX Server IPX0003A IPX Configurable RIP Interface Cost You can set the cost number of ticks or hops for an interface The cost is added to route information learned on this interface through RIP and is included in subsequent RIP packets sent to other interfaces IPX disposes of the packet when its hop count passes a value that is one less than the value of the Maximum Hops parameter This value must be the same across the network Site Manager Cost parameter page A 23 Specifying the Maximum Number of Hops You can specify the maximum number of hops an IPX packet may take to reach its destination In the case of RIP every node in the network should use the same Maximum Hops parameter value Site Manager Maximum Hops parameter page A 16 5 16 114051 Rev A Customizing IPX Indicating the Number of Next Hop Hosts You can enter the maximum next hop hosts for the router to learn IPX uses this value to preallocate table sizes for
119. ersion for example 8 10 on a router that has Version 11 0 software and the software will update the configuration You can then go into dynamic mode or save the updated configuration and go into remote mode and edit any of the new parameters When you save the edited configuration you re saving a Version 11 0 file In local mode Site Manager will run IPX configurations from an earlier version using the Management Information Base MIB for that version instead of the MIB for Version 11 0 If you choose to continue using a router configuration that you configured under a software version earlier than 11 0 without updating it you will not get the Version 11 0 features and you must use the Version 8 10 guide Customizing IPX Services instead of this guide 114051 Rev A 2 1 Configuring IPX Services About the IPX Protocol The Internet Packet Exchange protocol is the Novell Inc adaptation of the Xerox Network System XNS protocol IPX has the following characteristics e Itis aconnectionless datagram delivery protocol Connectionless means that it does not need a channel established for packet delivery A datagram is a unit of data that contains all the addressing information required for it to be delivered to its destination The path or route that one datagram follows to reach a destination is independent of the path or route that another datagram may follow to reach the same destination e It does not guarantee the deliver
120. es This section describes all parameters shown on the Edit IPX Advanced Global Parameters window Table B 2 IPX Advanced Global Parameter Default Values Parameter Default MIB Object ID Routing Method Tick 1 3 6 1 4 1 18 3 5 5 16 1 3 Maximum Path 1 path 1 3 6 1 4 1 18 3 5 5 16 1 5 Log Filter Trace 1 3 6 1 4 1 18 3 5 5 16 1 4 Maximum Path Splits Enable 1 3 6 1 4 1 18 3 5 5 16 1 6 Maximum Hops 1 hop 1 3 6 1 4 1 18 3 5 5 16 1 7 Destination Count 1 destination 1 3 6 1 4 1 18 3 5 5 16 1 17 Service Count 1 service 1 3 6 1 4 1 18 3 5 5 16 1 1 Host Count 1 host 1 3 6 1 4 1 18 3 5 5 16 1 21 Aging Frequency 10 seconds 1 3 6 1 4 1 18 3 5 5 16 1 23 Aging Pending Frequency 100 routes and services 1 3 6 1 4 1 18 3 5 5 16 1 24 Default Route Enable 1 3 6 1 4 1 18 3 5 5 16 1 25 SAP Via Default Route Disable 1 3 6 1 4 1 18 3 5 5 16 1 26 Novell Certification Conformance Enable 1 3 6 1 4 1 18 3 5 5 16 1 15 GNS Response Mode Alphabetical 1 3 6 1 4 1 18 3 5 5 16 1 29 B 2 114051 Rev A IPX Interface Parameter Default Values IPX Default Parameter Settings Any IPX interface you add to a physical circuit inherits a default set of IPX parameter values from the global slotwide IPX process You can use the Configuration Manager to access and further modify or customize parameters belonging to a specific interface This section describes all para
121. es means use the tick count associated with the interface Accept the default value 0 or enter a value from 1 to the maximum positive integer 1 3 6 1 4 1 18 3 5 5 19 1 6 114051 Rev A A 55 Configuring IPX Services IPX Static Route Parameter Descriptions Parameter Path Default Options Function Instructions MIB Object ID Apply i Help Hop Gotan Tidka Haet Hop Hoat hax TH Figure A 14 IPX Static Routes Window Enable Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route Enable Enable Disable Specifies the state active or inactive of the static route record in the IPX routing tables Select Disable to make the static route record inactive in the IPX routing table Select Enable to make the static route record active in the IPX routing table 1 3 6 1 4 1 18 3 5 5 19 1 2 A 56 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Hop Count Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route 0 0 to the value of the Maximum Hops parameter minus 1 The IPX router uses Hop Count when determining the best route for a datagram to follow The hop count is also propagated
122. es to adopt a single host ID number for the entire host based either on the serial number of the router backplane or on a number that you enter in the Host Number parameter field Choose Enable or Disable as appropriate for the type of configuration standard multiple interfaces per circuit or multiple circuits per physical segment See Chapter 2 for a description of each type of configuration 1 3 6 1 4 1 18 3 5 5 15 1 6 A 10 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Router Host Number hex Configuration Manager gt Protocols gt IPX gt Global If you disable the Multiple Host Address Enable parameter and enter a unique host number the Configuration Manager assigns this number to all IPX interfaces you configure on the router If you disable the Multiple Host Address Enable parameter and do not enter a router host ID number for this parameter the Configuration Manager automatically generates a unique 6 byte host ID number for all IPX interfaces The generated host ID is based on the serial number of the router s backplane Any valid host number The router either uses this value as a host address for all IPX interfaces or if left empty uses the backplane serial number as the host address for all interfaces circuits 1 3 6 1 4 1 18 3 5 5 15 1 7 Caution The IPX boxwide host address and the Token Ring MAC address must agree when the Mult
123. est priority is 0 1 3 6 1 4 1 18 3 5 5 29 1 13 Mode Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter Outbound Outbound Inbound Both Specifies whether you want to apply the filter to inbound packets outbound packets or both Specify Inbound if you want to apply the filter to RIP packets coming into this interface Specify Both if you want to filter both inbound and outbound packets 1 3 6 1 4 1 18 3 5 5 29 1 8 Protocol Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter Any Any Local RIP Static Applies this filter only to routes learned on the specified protocol when sending RIP updates This does not apply to Inbound routes Specify the protocol on which you want to apply the filter 1 3 6 1 4 1 18 3 5 5 29 1 10 A 68 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Action Configuration Manager gt Protocols gt IPX gt Static Filter Table gt Route Filter Advertise Accept Advertise Accept Suppress Specifies how to process any RIP advertisement that matches the route filter criteria you established Select Advertise Accept to enable the filter to allow advertisement or acceptance of routes that match the specified route filter criteria Select Suppress to configure the IPX router to drop RIP advertisements that match the specified route filter crite
124. etBIOS Type 20 packet out of all its interfaces Instructions Accept the default Enable if you want the router to propagate NetBIOS Type 20 MIB Object ID packets out of all its interfaces conforming to Novell standards Select Disable if you have NetBIOS static routes configured and you want the router to direct a packet to its destination network You must set the same option Enable or Disable for all routers in the network 1 3 6 1 4 1 18 3 5 5 16 1 15 Parameter GNS Response Mode Path Configuration Manager gt Protocols gt IPX gt Global gt Advanced Default Alphabetical Options Alphabetical Last Learned Function Determines the server to choose when responding to a get_nearest_server request Instructions Accept the default to sort through all server names alphabetically MIB Object ID Select Last Learned to choose the last server learned 1 3 6 1 4 1 18 3 5 5 16 1 29 A 20 114051 Rev A IPX Parameters IPX Interface Parameters IPX interface parameters determine how IPX behaves on individual router interfaces You access these parameters via the IPX Interfaces window Figure A 5 To view all of the parameters in this window you must click on the scroll bar Hoat H mbhor hexi Configured Encaps TR End Station Figure A 5 IPX Interfaces Window 114051 Rev A A 21 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Para
125. ev A Customizing IPX Network 1 a Router A Split Horizon enabled on this Interface to eliminate all redundant RIP and SAP traffic Pi oo af Nai a ae See Network Router C 3 TET 2 Router B IPX0007A Figure 5 5 Split Horizon Enabled in a Fully Meshed Network Nonfully Meshed Networks A nonfully meshed network is a WAN in which one or more nodes do not have logically direct connections to all other nodes In a star or nonfully meshed Frame Relay or X 25 PDN topology you may need to disable Split Horizon on certain interfaces so the routers can learn about other networks Caution We advise you not to disable Split Horizon unless it is absolutely necessary Doing so can result in a significant increase in network traffic 114051 Rev A 5 21 Configuring IPX Services Figure 5 6 shows a sample nonfully meshed network with Split Horizon disabled Network Router A Split Horizon disabled on this interface so that Router B can learn about Network 3 and Router C can learn about Network 2 rs Frame Relay E LS a Network 2 Router B Router C 3
126. figuration Parameter Default Values cceceeees B 6 Table B 10 IPX Adjacent Hosts Parameter Default Values cccccccesssteeeeeeneees B 7 Table B 11 IPX Static Route Configuration Parameter Default Values 0 0008 B 7 Table B 12 IPX Static Route Parameter Default Values 0 ccccccccseeeeeesssteeeeeeeneaes B 7 Table B 13 IPX Static Service Configuration Parameter Default Values 0 B 8 Table B 14 IPX Static Services Parameter Default Values cccececesesteeeeeeenaes B 8 Table B 15 Route Filter Configuration Parameter Default Values cccceeeeeees B 9 Table B 16 IPX Route Filter Parameter Default Values ceeeesccceeeessecceeeeeeeeeees B 9 Table B 17 SAP Network Filter Configuration Parameter Default Values B 10 Table B 18 SAP Network Level Filter Parameter Default Values ccccecceeeees B 10 Table B 19 IPX Server Level Filter Configuration Parameter Default Values B 11 Table B 20 IPX SAP Server Level Parameter Default Values cccccceceeteeeeeeeeee B 12 Table C 1 Service Types and Identifiers ccceeeecceceeeeeeeeeee eens eeeeeeeeeeeeeeeeaaeeenaes C 1 114051 Rev A XV About This Guide If you are responsible for configuring and managing Bay Networks routers read this guide to discover how to customize Bay Networks router software for Internet Packet Exchange IPX services Configuring IPX Servi
127. figure NetWare services the router learns about a NetWare service by means of the SAP information you enter using Site Manager You can manually configure NetWare static services for each interface on a Bay Networks router When you configure static services on an interface you can then use SAP filters to eliminate the SAP announcements The static service provides an alternative to broadcast Service Advertisement Protocol SAP announcements across a WAN The static service eliminates WAN traffic and hence the use of WAN bandwidth associated with WAN SAP Announcements 5 28 114051 Rev A Customizing IPX Alternatively you can disable SAP entirely on an individual interface basis or disable just the SAP immediate update messages For network topologies that include slower speed WAN links reducing the amount of WAN bandwidth otherwise needed for SAP announcements can be helpful You can also reduce traffic by setting the Update Interval parameter to zero which indicates no periodic SAP updates and no aging of SAP information resulting from periodic updates In this case SAP immediate updates still propagate through the network You can also configure the interface to disable immediate updates by disabling the Immediate Update parameter Site Manager Update Interval sec parameter page A 42 Site Manager Immediate Update parameter page A 45 A service sends an immediate update when one of the following conditions occu
128. fly a filter is a pattern for matching a service name or service network The router scans incoming and outgoing SAP packets to see whether certain fields in the packet match the filter The type of filter service name or service network determines which fields the router examines When you set up the filter you can specify what the router does with the services in the packet when it finds a match You can create SAP filters on Bay Networks routers in your network to regulate both incoming and outgoing SAP advertisements You can use SAP filters to control the size of resident SAP services tables and reduce bandwidth waste on your network due to SAP broadcast overhead You can also create SAP filters as a security mechanism to limit a user s view of services located elsewhere on the network 5 54 114051 Rev A Customizing IPX Each SAP filter consists of a service name or network number a service type a priority and a configurable action parameter You can also include wildcards or patterns to be matched As a result you can tailor SAP filters to your site requirements improving network security by controlling access and preserving bandwidth by limiting the SAP packet traffic On a given interface you can configure a filter as inbound outbound or both e Inbound filters affect only incoming SAP advertisements The filter determines whether the Bay Networks router accepts or suppresses the service information from cert
129. for an IPX interface The default value OXFFFFFFFFFFFF causes the data link layer to issue a WAN broadcast packet on all active virtual circuits The value is not actually included in the MAC field of the packet on the WAN The packet instead contains a value that is appropriate for the type of data link protocol You can leave this parameter blank to accept the default value or enter a WAN broadcast address to send all broadcast traffic through the IPX interface you are configuring With the default value the IPX router sends all broadcast traffic through all logical connections associated with the IPX interface you are configuring Broadcast traffic includes RIP and SAP broadcasts Site Manager FR Broadcast hex parameter page A 27 Entering a Multicast Address You can enter a WAN multicast address for an IPX interface The default value OXFFFFFFFFFFFF causes the data link layer to issue a multicast packet on all active virtual circuits The value is not actually included in the MAC field of the packet on the WAN The packet instead contains a value that is appropriate for the type of data link protocol 5 10 114051 Rev A Customizing IPX You can leave this parameter blank to accept the default value or enter a WAN multicast address to send all multicast traffic through the IPX interface you are configuring With the default value the IPX router sends all multicast traffic through all logical connections associa
130. have a specific reason for specifying a different size packet The packet size plus the IPX header 30 bytes cannot exceed the MTU of the link 1 3 6 1 4 1 18 3 5 5 32 1 10 Use Multicast Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Yes Yes No Specifies whether to use a multicast address configured with the Multicast Address parameter to send RIP packets Accept the default to allow multicast transmission of RIP packets Select No to disable multicast transmission of RIP packets 1 3 6 1 4 1 18 3 5 5 32 1 14 114051 Rev A A 37 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Split Horizon Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP Enable Enable Disable When generating RIP updates to be transmitted from an interface the interface can exclude RIP routes learned on that interface Select Enable if you previously set this parameter to Disable and now do not want the router to transmit RIP updates received from the interface over that same interface Select Disable only if you want the router to transmit RIP updates received from the interface over that same interface Routes learned on that interface will be included in the RIP updates generated for that interface 1 3 6 1 4 1 18 3 5 5 32 1 15 Immediate Upd
131. he resulting software available for use by any third party Neither title nor ownership to Software passes to licensee Licensee shall not provide or otherwise make available any Software in whole or in part in any form to any third party Third parties do not include consultants subcontractors or agents of licensee who have licensee s permission to use the Software at licensee s facility and who have agreed in writing to use the Software only in accordance with the restrictions of this license Third party owners from whom Bay Networks has acquired license rights to software that is incorporated into Bay Networks products shall have the right to enforce the provisions of this license against licensee Licensee shall not remove or obscure any copyright patent trademark trade secret or similar intellectual property or restricted rights notice within or affixed to any Software and shall reproduce and affix such notice on any backup copy of Software or copies of software resulting from modification or combination performed by licensee as permitted by this license 114051 Rev A ili Bay Networks Software License continued 10 11 12 Licensee shall not reverse assemble reverse compile or in any way reverse engineer the Software Note For licensees in the European Community the Software Directive dated 14 May 1991 as may be amended from time to time shall apply for interoperability purposes Licensee must notify
132. hether the local or the remote router on a WAN link serves as the master or slave during the IPXWAN negotiations The router with the higher PNN serves as the master Site Manager Primary Net Number hex parameter page A 8 Assigning a Common Network Number The Common Network Number CNN is an IPX network number that is available for assignment to the WAN link You specify a CNN that IPXWAN running on the interface can assign to the WAN link To assign its CNN the router must serve as the master during the IPXWAN negotiations To specify a CNN use the IPX WAN Common Network Number Parameter in the Configuration Manager IPX Interfaces window Refer to page A 21 for more information on how to access this window All values between 0x00000000 and OXFFFFFFFD inclusive are valid CNN values Never use the values OxFFFFFFFE or OxFFFFFFFF as CNN values these values are reserved Site Manager Common Network Number hex parameter page A 5 114051 Rev A 4 7 Configuring IPX Services Entering a Router Name Every IPX router can have a router name During IPXWAN negotiations the local and remote routers provide each other with their respective router names Once the link is established the name lets a router know whom it is connected to Router names are particularly helpful for network management purposes A symbolic name such as printserv has more meaning than just a string of digits The router n
133. host tables Changing this value can greatly affect the memory use by IPX but it can also speed learning time for the router Site Manager Host Count parameter page A 17 Enabling RIP Listen and Supply Functions The IPX router lets you enable the RIP listen and supply modes for each IPX interface When you enable the listen mode the IPX router learns routes received in RIP updates from neighboring routers When you enable the supply function the IPX router transmits RIP periodic and triggered updates to routers in adjacent networks When you enable both the listen and supply mode the IPX router performs both the listen and supply mode functions described above Site Manager Mode parameter page A 35 Determining the Pace of RIP Packets The RIP pace determines the frequency in packets per second at which RIP sends out packets on a circuit By default RIP sends out 18 packets per second on a circuit If you enter a value of zero there is no limit on the pace Site Manager Pace parameter page A 36 114051 Rev A 5 17 Configuring IPX Services Configurable RIP Timers You can extend the standard 60 second IPX periodic RIP advertisement interval You configure the interval by specifying the value of the Update Interval parameter and the multiplier by specifying the Age Multiplier parameter By default the age out time is three times the standard 60 second RIP advertisement update in
134. iaiomsersitemessaiive 5 44 Local SPX Keep Alive Acknowledgment sciuisiiiiirrseicinisiiiisiiiniiiiiunadiiininiake 5 45 Dial Opimzed ROUTIO Bemmnenenrenre ee ernveune rT a a a a 5 46 Delault IPX Dial Op mized Routing FINGKE ciciccctiesssscazecces icnhinccettasosssteacmsiaceneenrieas 5 46 Configuring the Routing Update Delay Timer eesseesssessssssrsssrrssrrsesrrnssrnessrssse 5 47 RIPSSAP triggered Updos eisista i sami sealuaunie nial ieee ombenasens 5 47 Determining the Frequency of Scheduled Updates cccceceesseeeeeeeeseeeeeeenaes 5 47 Configuring RIP and SAP Broadcast TIMES siciciuis cenueiseesceti ad aerate 5 48 Using Static Routes ceee epas EEE A E A T E T EY 5 50 Specifying the Target Network Address ccscceesceeceeeeeeeeeeeeeaeeeeaaeeseeeeesaaeeseaees 5 52 Ee iT Va me TGR HOSI aineringe aeia TA ANAE 5 52 Enenng MaRop COUN Meeeenenere eeetrn werner tare tert ter tere econ teeter 5 52 114051 Rev A ix mC NG INEF TICKS aiaiai narre 5 53 UEa ROUE USN ana a aaa aiea 5 53 USNI SAP FING caiene E 5 54 Using Wildcards and Pattern Matching with SAP Filters eeeeeeeeeeeeseenn 5 57 Using Wildcards with SAP Filters EET PE T Deng a557 Using Pattern Matching wiih SAP FIEIS ssscssscsciccsscnsaucessanrseemnnnsceommnsnetennrannioon 5 59 An Example ot Usina SAP FINES shiii iaaa aa aiaa 5 63 Editing Service Name Filter ParamelelS saroricriaiaineni 5 64 Enabling an IPX Service Name Filler winnica
135. iguration parameters A 71 wildcards and pattern matching 5 57 SAP service configuration parameters A 58 deleting A 64 SAP timer configurable 5 25 SAP update packet transmissions frequency 5 48 Service Advertising Protocol SAP 2 3 5 12 Service Count advanced global parameter A 17 service name filter parameters editing 5 64 service name filters configuration parameter descriptions A 79 deleting A 85 parameter descriptions A 81 service network filter adding A 71 configuration parameter descriptions A 71 service network filter parameters configuring 5 63 A 71 descriptions A 74 service network filters dropping all services 5 63 service types C 1 services Index 6 114051 Rev A dropping all 5 63 Single Route Explorer SRE frame 5 67 single host router 2 5 3 6 Site Manager 2 1 SMDS circuits 5 14 Socket numbers 2 2 source route bridge endstation support 5 67 source routing 5 12 split horizon 5 12 configuring 5 20 disabled in a nonfully meshed network 5 22 enabled in a fully meshed network 5 21 SRE frame 5 67 standard IPX configurations multiple host router 3 5 single host router 3 6 static routes configuration parameter descriptions A 53 deleting A 58 NetBIOS configuration parameters A 45 nonstandard NetBIOS use 5 36 parameter descriptions A 56 parameter editing A 56 support 2 3 using A 53 with Dial on Demand 5 43 with standard NetBIOS routing 5 37 st
136. iline For More Information about IPX The following documents provide technical details about IPX protocol implementation RFC 1634 Novell IPX over Various WAN Media IPXWAN Obsoletes RFC 1551 and RFC 1362 RFC 1552 The PPP Internetwork Packet Exchange Control Protocol IPXCP Novell Inc Advanced NetWare V 2 0 Internet Packet Exchange Protocol IPX with Asynchronous Event Scheduler March 19 1986 Novell Inc IPX Router Specification October 1993 Novell Press Sybex Novell s Guide to NetWare LAN Analysis Laura Chappell and Dan E Hawkes 1994 114051 Rev A 2 5 Chapter 3 Customizing IPX for LAN Media You can use IPX services over either a LAN or a WAN This chapter discusses issues related specifically to using IPX over a LAN For information specific to using IPX over a WAN see Chapter 4 For information on how to customize IPX features for use on both a LAN and a WAN refer to Chapter 5 When you configure an IPX service to run over a LAN you need to make sure the following parameters have the appropriate settings in the IPX configuration e Configured Network Number required e RIP SAP e Configured Encapsulation required e Circuit Index If you want to configure multiple IPX interfaces on a circuit and a multiple host router set the following parameters in addition to the parameters you set on the IPX Configuration window e Enable parameter on the IPX Global Parameters window e Multiple
137. ilters of the same type for this interface Lower values indicate higher priorities The highest priority is 0 1 3 6 1 4 1 18 3 5 5 30 1 14 Mode Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Outbound Outbound Inbound Both Specifies whether you want to apply the filter to inbound packets outbound packets or both Specify Inbound if you want to apply the filter to SAP packets coming into this interface Specify Both if you want to filter both inbound and outbound packets 1 3 6 1 4 1 18 3 5 5 30 1 9 114051 Rev A A 73 Configuring IPX Services IPX Service Network Filter Parameters This section describes all parameters shown in the IPX Service Network Filters window EHAHLE Target Hotin hax Oah Tangot Hetbnrk Bask hexi i Target Service Tine hex Filter Priority Hodo OUTBOUND Figure A 20 IPX Service Network Filters Window A 74 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Enable Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Enable Enable Disable Specifies whether the service network filter displayed is active on this interface Select Enable to enable the service
138. interface 3 and Router 3 R2 Interface 2 E E interface 3 ae SS ES2 Interface 1 Interface 4 R1 R3 Network A a Interface 6 ee Network B J Figure 5 14 Interface 5 IPX Server To Network B via interface 1 and Router 2 IPX0009A IPX Static Routes RIP routes have priority over static learned routes with the same cost so if the connection between routers R1 and R3 has the same or greater cost the packet will travel over the static route from Router R1 to Router R2 to Router R3 Ifa connection used by the static route fails and if Router R1 has the listen function enabled Router R1 will learn of an alternative route between Network A and Network B and attempt to send the packet over that connection 114051 Rev A 5 51 Configuring IPX Services IPX static routes are user specified routing table entries Static routes like routes learned through RIP are maintained in the IPX routing table Unlike routes learned through RIP however static routes do not expire Static routes remain in the IPX routing table until they are reconfigured manually Static routes are removed if the interface they are configured on goes down Note You can send packets over a static route if you have
139. ions Function Instructions MIB Object ID IPX Parameters Socket hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv None Any valid socket address The number must have a value between 0x0001 and OxFFFE inclusive Specifies the socket address of this service Enter any valid socket address consisting of up to 4 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 23 1 9 Hop Count Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv None Any valid number of hops from 1 to the value of the Maximum Hops parameter minus 1 Specifies the number of subsequent router hops required from this router to reach a specific remote Novell server or service Enter the number of router hops that exist between the router and the service you want to advertise 1 3 6 1 4 1 18 3 5 5 12 1 10 114051 Rev A A 63 Configuring IPX Services Route Filter Configuration Parameters This section describes all parameters shown in the IPX Route Filter Configuration window Lance Target Metaeork hex Ptptn Target Hetsork Hmi Chex DxFFFFFFFF Falter Priorita e Figure A 17 IPX Route Filter Configuration Window Parameter Target Network hex Path Configuration Manager gt Protocols gt IPX gt Static Filter Table gt Route Filter gt Add Default None Options Any valid NetWare address in hexadecimal format Function Identifies the network on
140. iple Host Address parameter is disabled Parameter Path Default Options Function Instructions MIB Object ID Router Name Configuration Manager gt Protocols gt IPX gt Global None Any valid NetWare router or server name Specifies a symbolic name for the router Any IPX WAN RFC1634 compliant interface in the node uses this name to identify itself to the IPX router or server at the opposite end of the WAN data link The symbolic name for the router must be unique among those assigned to IPX file servers and routers anywhere in the IPX internetwork See the documentation that came with your NetWare operating system for guidelines on specifying a router or server name It s a good idea to make the name meaningful to users as well as routers 1 3 6 1 4 1 18 3 5 5 15 1 9 114051 Rev A Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Primary Net Number hex Configuration Manager gt Protocols gt IPX gt Global None The Primary Network Number PNN is a string of up to 8 hexadecimal characters Specifies an IPX network number for IPXWAN RFC1634 compliant link negotiation on all slots The value of the PNN determines whether the local or remote WAN interface serves as IPX Link Master The node with the highest PNN value becomes the IPX Link Master The PNN should be unique among network numbers currently assigned Enter a unique ne
141. ircuit In this case a PROM on the circuit supplies the number for the MAC address of the circuit and the host number of the interface You can enter a host number for this interface when e Multiple Host Addressing is enabled e You do not want to accept the PROM based default setting for MAC Address Select e The circuit type supports only selective mode of operation such as with Ethernet circuits If you enter a host number the circuit adopts that value as the MAC address at which this interface can receive frames The MAC address configured at the circuit line level remains effective for all other interfaces configured on the same circuit You can enter a host number for this interface when the underlying circuit is Token Ring see the instructions that follow Site Manager does not let you enter an IPX host number for any IPX interface if you first disable Multiple Host Address Enable in the IPX Global Parameters window Enter a value only if the circuit is not Token Ring and you want to assign a host number that is unique within the IPX internetwork to this IPX interface To set the host number of an IPX interface on a Token Ring circuit you must change the MAC Address Select parameter for that circuit to CNFG user configured and enter a MAC Address Override value for the circuit The interface uses that value as its host number This changes the circuit MAC address for all protocols configured on that Token Ring circuit
142. ircuit identifier to each circuit that you create on an IPX router You can assign a specific circuit identifier if necessary Site Manager Circuit Index parameter page A 4 Entering an IPX Host ID Number for IPX over ATM On Bay Networks routers the IPX host ID number maps to a physical data link layer address on a specific circuit or physical interface An IPX logical interface can listen at this address and capture frames transmitted by nodes compatible with IPX on the local data link Figure 4 1 illustrates this concept in a Bay Networks router that has two IPX logical interfaces each one configured on a different physical circuit Local clients servers IPX Server N Physical 4 Logical Interface incoming Interface frames ATM circuit clients ae Hes e Pm H Ethernet neuer Z circuit i i 7 Coo Incoming cells L Logical oes LJ Physical Interface Interface IPX Server e Destination Receive address IPX0021A Figure 4 1 Frames Received at a Logical Interface 114051 Rev A 4 5 Configuring IPX Services Figure 4 2 illustrates this concept in a Bay Networks router configured with two IPX logical interfaces each one on a different physical circuit type Local clients servers IPX Server ji Physical Logical Interface Interface
143. ive NetBIOS broadcast packets destined for the specified target server Enter a network address of up to 8 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 27 1 5 A 46 114051 Rev A IPX Parameters Server parameter for a static route If you want to change this parameter you must delete the static route and add a new route However you can reconfigure all other parameters associated with a static route Note The Configuration Manager does not let you reconfigure the Target gt IPX NetBIOS Static Route Parameters IPX NetBIOS static route parameters determine the location of a NetBIOS static route You access these parameters via the IPX NetBIOS static route configuration window Figure A 10 Target Hotiark hex Figure A 10 IPX NetBIOS Static Routes Window 114051 Rev A A 47 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IPX gt NetBIOS Static Routes Enable Enable Disable Specifies the state active or inactive of the static route record in the NetBIOS routing table Select Disable to make the static route record inactive in the NetBIOS routing table Select Enable to make the static route record active in the NetBIOS routing table 1 3 6 1 4 1 18 3 5 5 27 1 2 Target Network hex Configuratio
144. ket Size By default the size of a RIP update packet is 432 bytes You should leave the RIP packet size at the default level unless you have a specific reason for specifying a different size packet If you must change the packet size the packet size plus the IPX header 30 bytes cannot exceed the MTU of the link Site Manager Packet Size parameter page A 37 114051 Rev A 5 19 Configuring IPX Services Enabling Multicast Transmission of RIP Packets By default the IPX router broadcasts RIP packets If you enable this feature use the Multicast Address parameter to specify the multicast address Site Manager Use Multicast parameter page A 37 Site Manager FR Multicast hex parameter page A 27 Configurable Split Horizon The Split Horizon algorithm is part of the Novell specification for the IPX protocol Its purpose is to prevent circular routes and reduce network traffic The Bay Networks implementation of Split Horizon excludes RIPs and SAPs learned from a neighbor when forwarding RIP and SAP updates to that neighbor Split Horizon is enabled by default for each interface You can enable or disable Split Horizon when you configure the IPX RIP Circuit in the Configuration Manager Fully Meshed Networks A fully meshed network is a WAN in which all nodes have a logically direct connection to each other Figure 5 5 shows a sample fully meshed network with split horizon enabled 5 20 114051 R
145. l Filter Configuration Parameter Descriptions This section describes all parameters shown on the IPX Service Name Filter Configuration window Table B 19 IPX Server Level Filter Configuration Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 31 1 2 Target Server None 1 3 6 1 4 1 18 3 5 5 31 1 6 Target Service Type hex None 1 3 6 1 4 1 18 3 5 5 31 1 7 Filter Priority None 1 3 6 1 4 1 18 3 5 5 31 1 13 Mode Outbound 1 3 6 1 4 1 18 3 5 5 31 1 8 Protocol Any 1 3 6 1 4 1 18 3 5 5 31 1 10 Action Advertise Accept 1 3 6 1 4 1 18 3 5 5 31 1 9 Cost None 1 3 6 1 4 1 18 3 5 5 31 1 11 114051 Rev A Configuring IPX Services IPX SAP Server Level Parameter Default Values This section describes how to set all parameters shown on the IPX Server Name Filters window Table B 20 IPX SAP Server Level Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 31 1 2 Target Server None 1 3 6 1 4 1 18 3 5 5 31 1 6 Target Service Type hex None 1 3 6 1 4 1 18 3 5 5 31 1 7 Filter Priority None 1 3 6 1 4 1 18 3 5 5 31 1 13 Mode Outbound 1 3 6 1 4 1 18 3 5 5 31 1 8 Protocol Any 1 3 6 1 4 1 18 3 5 5 31 1 10 Action Advertise Accept 1 3 6 1 4 1 18 3 5 5 31 1 9 Cost None 1 3 6 1 4 1 18 3 5 5 31 1 11 B 12 114051 Rev A Appendix C Common Service Types and Identifiers
146. l on demand circuits 5 42 114051 Rev A Customizing IPX Data arrives at the New York router but final destination is Dallas A port in the demand pool transmits the data Los Angeles Dial Device Demand Pool 1 Slot 2 Chicago New York g s Ea Dial Dial op Device Device Back of Router Dial Device Dallas Dial a Device IPX0014A Figure 5 13 Dial on Demand Service Using Static Routing with Dial on Demand As part of its standard operation IPX sends update packets to maintain routing tables and to gather information about network resources For dial on demand the frequency of these update packets forces the dial up connection to remain up permanently unless you configure a time of day to bring the connection down When you configure dial on demand circuits you should disable broadcast messages The router then uses static routes to determine the location of the destination network 114051 Rev A 5 43 Configuring IPX Services Tips for Using Dial on Demand with IPX The following suggestions may help improve overall system efficiency if you re using dial on demand with IPX e Turn off triggered updates e Set the periodic update interv
147. lation method If all clients need to access Server 1 then only Interface 2 of the router needs to support all the different encapsulation methods and multiple logical network addresses for the workstations Interface 1 of the router needs to support only the SNAP encapsulation method that Server 1 supports 114051 Rev A 3 3 Configuring IPX Services Encapsulation method SNAP Server 1 0x000F 123 Real Encapsulation address method 0x00000110 SNAP 0x00000111 Novell Interface 1 0x00000112 LSAP Interface 2 0x00000113 Ethernet IPX0001A Figure 3 1 Multiple IPX Interfaces per Physical Circuit Note NetWare users If you are upgrading client and server stations on your network to Novell NetWare Version 4 x you can use the multiple interface per circuit capability to gradually migrate stations on the same network segment to NetWare Version 4 x that is from one logical network to another independent logical network For example you can upgrade and migrate NetWare clients from a logical network that supports only Novell 802 3 encapsulated frames to a logical network that supports a more versatile LSAP 802 2 frame type 114051 Rev A Customizing IPX for LAN Media You use the Site Manager software to choose the following encapsulation methods that are appropri
148. make this stand for a single ID or for a range of IDs with similar addresses You can select all IDs by entering the wildcard value OXFFFFFFF 1 3 6 1 4 1 18 3 5 5 29 1 6 Target Network Mask hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter None 0x00000000 to OxFFFFFFFF Specifies the mask that you want to apply Enter 8 hexadecimal characters The character F in the mask definition requires an exact match with the corresponding character in the filter ID The mask character 0 matches any alphanumeric character You can combine the F and 0 characters in any order in the mask to filter any combination of network addressing schemes used within the IPX internetwork 1 3 6 1 4 1 18 3 5 5 29 1 7 114051 Rev A A 67 Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s priority relative to other filters of the same type for this interface Lower values indicate higher priorities The high
149. mapped an IPX host address to a data link address in a Frame Relay SMDS or ATM network If RIP is disabled on a WAN interface before you configure a static route to an adjacent host you must configure an adjacent host and edit the DLCI parameter Specifying the Target Network Address If you are using the static route feature you must specify the address of the network to which you want to configure the static route Site Manager Target Network hex parameter page A 53 Entering the Next Hop Host With the static route feature you must specify the address of the next hop host in the static routing path The next hop host is the host address of the down stream router s IPX interface Site Manager Next Hop hex parameter page A 54 Entering the Hop Count The IPX router uses Hop Count when determining the best route for a datagram to follow The hop count is also propagated through RIP The default setting of 0 for static routes means use the hop count associated with the interface Site Manager Hop Count parameter page A 54 5 52 114051 Rev A Customizing IPX Setting the Timer Ticks With the static route feature you specify the number of 1 18th second timer ticks required for an IPX datagram to traverse this static route The IPX router uses tick cost when determining the best route for a datagram to follow The tick cost is also propagated through RIP The default set
150. meter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IPX gt Interfaces Enable Enable Disable Enables or disables IPX routing on this interface Enable Initializes the IPX interface you added to a circuit You can also use the Enable setting to reinitialize an existing disabled IPX interface The actual operating state of an interface once enabled depends on The current state of the associated circuit The current state of the IPX global slotwide protocol process Disable Forces an IPX interface into the down inoperative state Select Enable if you previously set this parameter to Disable and now want to re enable IPX routing on this interface Select Disable only if you want to disable IPX routing on this interface 1 3 6 1 4 1 18 3 5 5 17 1 2 Name Configuration Manager gt Protocols gt IPX gt Interfaces None Any valid IPX server name Specifies a symbolic name for the interface See the documentation that came with your NetWare operating system for guidelines on specifying a host interface router or server name It s a good idea to make the name meaningful to users as well as to routers 1 3 6 1 4 1 18 3 5 5 17 1 7 A 22 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID IPX Parameters Cost Configuration Manager gt Protocols gt IPX gt Interfaces 1 for hop or tick
151. meter Cost Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Default 1 for hop or tick based routing Options 1 to maximum positive integer if tick based routing is enabled 1 to one less than the value specified in the Maximum Hops parameter if hop based routing is enabled Function Used only when the Action parameter is Advertise Accept this parameter assigns a cost for routes matching this filter A zero cost indicates that the route s actual cost should be used This parameter sets the cost number of ticks or hops for this interface The cost is included in subsequent SAP packets sent to other interfaces IPX disposes of the packet when its hop count passes a value that is one less than the value of the Maximum Hops parameter This value must be the same across the network Instructions Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router If the filter is an inbound filter the entered cost replaces the cost associated with the server in SAP advertisements sent from this router If this is an outbound filter the entered cost replaces the server s cost
152. meters shown on the IPX Interfaces window Table B 3 IPX Interface Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 17 1 2 Name None 1 3 6 1 4 1 18 3 5 5 17 1 7 Cost 1 for hop or tick based routing 1 3 6 1 4 1 18 3 5 5 17 1 38 Host Number None 1 3 6 1 4 1 18 3 5 5 17 1 25 Configured Encaps Circuit medium dependent 1 3 6 1 4 1 18 3 5 5 17 1 40 TR End Station Disable 1 3 6 1 4 1 18 3 5 5 17 1 59 NetBIOS Accept Disable 1 3 6 1 4 1 18 3 5 5 17 1 60 NetBIOS Deliver Disable 1 3 6 1 4 1 18 3 5 5 17 1 61 FR Broadcast hex OxFFFFFF 1 3 6 1 4 1 18 3 5 5 17 1 28 FR Multicast hex OxFFFFFF 1 3 6 1 4 1 18 3 5 5 17 1 30 Compress State Disable 1 3 6 1 4 1 18 3 5 5 17 1 10 Compress Slot 16 slots 1 3 6 1 4 1 18 3 5 5 17 1 12 Checksum Disable 1 3 6 1 4 1 18 3 5 5 17 1 39 SMDS Address hex None 1 3 6 1 4 1 18 3 5 5 17 1 62 IPX Watchdog Spoofing Disable 1 3 6 1 4 1 18 3 5 5 17 1 64 Delay 0 1 3 6 1 4 1 18 3 5 5 17 1 66 Stabilization Timer Delay 0 1 3 6 4 1 18 3 5 5 17 1 69 Throughput 0 1 3 6 1 4 1 18 3 5 5 17 1 67 114051 Rev A B 3 Configuring IPX Services IPX Change Circuit Parameter Default Values This section describes how to set all parameters shown on the IPX Change Circuit window The IPX circuit identifier appears in the window title Table B 4 IPX Change Circuit Parameter Default Values P
153. mpares all IPX NetBIOS broadcast packets received on the interface with the boxwide NetBIOS static routes If the NetBIOS destination name found in the packet matches an entry in the routing table the NetBIOS packet is routed to the associated destination network If no match is found the IPX router treats the packet as specified by the NetBIOS Accept and NetBIOS Deliver parameters 5 36 114051 Rev A Customizing IPX Directing a NetBIOS Packet Using Standard Static Routing If you want to configure NetBIOS static routes in conformance to Novell standards you must configure a static route for each hop in the network After you specify the static route to a NetBIOS name the IPX router converts standard NetBIOS broadcast packets to NetBIOS directed broadcast packets e NetBIOS broadcast packets are sent to all accessible host IDs on all accessible IPX networks e NetBIOS directed broadcast packets are sent to all host IDs on a single IPX network NetBIOS Broadcast Filters You can control the propagation of IPX NetBIOS broadcasts by configuring NetBIOS broadcast filters on an interface This feature ensures that visibility to NetBIOS resources is limited only to networks that need to have access to certain resources You can configure an interface to either accept or not accept NetBIOS broadcasts from an attached network and to deliver or not deliver NetBIOS broadcasts to a network This capability can enhance security and preserve
154. n Manager gt Protocols gt IPX gt NetBIOS Static Routes None Any valid network address in hexadecimal notation Specifies the address of a destination network that you want to receive NetBIOS broadcast packets destined for the specified target server Enter a network address of up to 8 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 27 1 5 A 48 114051 Rev A IPX Parameters Adjacent Hosts Configuration Parameters IPX adjacent hosts configuration parameters establish an adjacent host You access these parameters via the IPX Adjacent Hosts configuration window Figure A 11 Host Humber Chex TEE Host WAN Humber hex DOCI decimal Figure A 11 IPX Adjacent Hosts Configuration Window 114051 Rev A A 49 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Host Number hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Adj Hosts gt Add None Valid host ID of the adjacent host Specifies the host ID of the adjacent host Enter a host ID of up to 12 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 26 1 5 Host WAN Address hex DLCI decimal Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Adj Hosts gt Add None WAN Address Data Link Connection Identifier Lets you enter a WAN address or a DLCI
155. n a Token Ring circuit Select Enable if this interface connects to a bridged Token Ring network Select Disable only if you want to disable source routing over this interface 1 3 6 1 4 1 18 3 5 5 17 1 59 114051 Rev A A 25 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID NetBIOS Accept Configuration Manager gt Protocols gt IPX gt Interfaces Disable Enable Disable Enables or disables acceptance of all NetBIOS Type 20 broadcast packets received by this interface from an external source Select Enable if you want this interface to accept all NetBIOS broadcast packets from an external source Select Disable only if you want this interface to reject all NetBIOS broadcast packets from an external source 1 3 6 1 4 1 18 3 5 5 17 1 60 NetBIOS Deliver Configuration Manager gt Protocols gt IPX gt Interfaces Disable Enable Disable Enables or disables outbound delivery of all NetBIOS Type 20 broadcast packets received by this interface from another interface Select Enable if you want to re enable outbound delivery of NetBIOS broadcast packets received internally Select Disable only to drop NetBIOS broadcast packets received internally 1 3 6 1 4 1 18 3 5 5 17 1 61 A 26 114051 Rev A Parameter Path Default Options Function Instructio
156. n on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windows 95 Windows NT DOS or UNIX computing platforms A Web links feature enables you to go directly from the CD to various Bay Networks Web pages CompuServe For assistance with noncritical network support issues Bay Networks Information Services maintain an active forum on CompuServe a global bulletin board system This forum provides file services technology conferences and a message section to get assistance from other users The message section is monitored by Bay Networks engineers who provide assistance wherever possible Customers and resellers holding Bay Networks service contracts also have access to special libraries for advanced levels of support documentation and software To take advantage of CompuServe s recently enhanced menu options the Bay Networks Forum has been re engineered to allow links to our Web sites and FTP sites We recommend the use of CompuServe Information Manager software to access these Bay Networks Information Services resources To open an account and receive a local dial up number in the United States call CompuServe at 1 800 524 3388 Outside the United States call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET Xxvi 114051 Rev A InfoFACTS Technical Support a
157. nable to accept the default route in RIP packets on this circuit Select Disable to reject the default route in RIP packets on this circuit 1 3 6 1 4 1 18 3 5 5 32 1 19 114051 Rev A A 39 Configuring IPX Services IPX SAP Circuit Parameters IPX SAP circuit parameters determine the way SAP works on a particular circuit You access these parameters via the IPX SAP Circuit window Figure A 8 JPE SAP Circuit E2 Cance Mote Pace Update terval ees Age Bul tiplier Packet Size Rearest Jeren Reply Use Multicast Split Horizon Imediat Update Figure A 8 IPX SAP Circuit Window Parameter Enable Path Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Default Enable Options Enable Disable Function Specifies whether SAP is enabled on this IPX circuit Instructions Select Enable to enable SAP on this circuit Select Disable to disable SAP on this circuit MIB Object ID 1 3 6 1 4 1 18 3 5 5 33 1 2 A 40 114051 Rev A IPX Parameters Note If this parameter is set to Enable a SAP filter can still prohibit the interface from updating its internal SAP tables See the description of SAP filtering in Chapter 5 Parameter Mode Path Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP Default Listen Supply Options Listen Supply Listen Supply Function Specifies the mode for this circuit Instructions Select one of the following values MIB Object ID
158. nce parameter to Disabled for all routers in the network To configure a router to propagate a packet out all of its interfaces which conforms to Novell standards you set the Novell Certification Conformance parameter on the Edit IPX Advanced Global Parameters window to Enable You must set this parameter to Enable for all routers on the network Site Manager Novell Certification Conformance parameter page A 20 All NetBIOS packets sent from a client to the router must have a destination network value of zero unless the packet passes a static route in the router The router tests a packet against the static route table before it checks the packet s destination thus allowing the router to accept packets that may not have a destination network of zero Caution This method of defining IPX NetBIOS static routes is a nonstandard Bay Networks feature that may not be compatible with routers from other vendors This method converts a NetBIOS broadcast packet to a NetBIOS directed broadcast packet thereby eliminating the loop checking and path tracing that is usually done for NetBIOS broadcast packets This may cause problems with applications that rely on those mechanisms When you configure a NetBIOS static route the IPX router inserts the network number configured in the static route into the destination network number of the IPX packet When you configure NetBIOS static routes on an interface the IPX router co
159. nd Online Services InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and product documents designed to help you manage and troubleshoot your Bay Networks products The system responds to a fax from the caller or to a third party within minutes of being accessed To use InfoFACTS in the United States or Canada call toll free 1 800 786 3228 Outside North America toll calls can be made to 1 408 764 1002 In Europe toll free numbers are also available for contacting both InfoFACTS and CompuServe Please check our Web page for the listing in your country How to Get Help Use the following numbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 33 92 966 998 81 3 5402 0173 114051 Rev A xxvii Chapter 1 Starting IPX Services IPX is the network layer routing protocol used in the NetWare environment The primary tasks of IPX are addressing routing and switching information packets from one location to another on a network If you are already familiar with IPX and want to get the protocol up and running quickly follow the st
160. nd SNAP frames e Token Ring circuits support LSAP and SNAP frames e FDDI circuits support LSAP and SNAP frames Site Manager Configured Encaps parameter page A 4 3 2 114051 Rev A Customizing IPX for LAN Media Specifying Multiple Interfaces per Circuit You can configure one or more IPX interfaces per physical circuit The number of IPX logical interfaces you can configure on a circuit equals the number of unique frame formats available for that circuit type Refer to Table 2 1 for details on circuit types and frame formats For example the Bay Networks router supports four unique frame formats that are suitable for communication over an Ethernet LAN segment This means that you can configure four different encapsulations for four independent IPX interfaces on a single Ethernet circuit Ethernet Novell LSAP and SNAP Each interface and encapsulation configured on a circuit supports a different logical network To differentiate between IPX interfaces configured on the same physical circuit the Bay Networks router uses the unique network address and frame format that you assign to each interface By supporting multiple IPX interfaces on a single physical circuit a Bay Networks router can service clients on independent logical LANs that coexist on the same physical LAN segment In Figure 3 1 each client on the right side of the router has a different logical network address and uses a different encapsu
161. nds A 21 Figure A 6 IPX Change Circuit Window eeeeeee E E E T A 29 114051 Rev A xiii xiv Figure A 7 Figure A 8 Figure A 9 Figure A 10 Figure A 11 Figure A 12 Figure A 13 Figure A 14 Figure A 15 Figure A 16 Figure A 17 Figure A 18 Figure A 19 Figure A 20 Figure A 21 Figure A 22 Figure D 1 IPX RIP Gircun Window acrencsucerais igecteaeranccnsticnenpeteniuancegeaaaoraeinadaiad A 34 IPFA SAP Crodh WINdOW rerainane iadan A 40 IPX NetBIOS Static Route Configuration Window eseesseeesseesseene A 45 IPX NeiBIOS Statie Routes WINdOW cisicnosireniisiiatin innin nN A 47 IPX Adjacent Hosts Configuration Window sisisieiiissireisisssisseisinnnneiina A 49 PX CET Hosta WINdOW Seerne a ai A 51 IPX Static Route Configuration Window isiiissssisisiinariiarinnnninainnanarin A 53 FX Statie Routes WINGOW ssccaccosaceascaiadaute noralsaastsaadariestiasaate mea daniabeabde A 56 IPX Static Service Configuration Window ccceceeeeeseceeeeeeeeeeeeee A 58 IPX Statio Services WINGOW ya dsccistccscaaciesceniead eateeee eaateaaiabeeraann A 61 IPX Route Fiter Gontigutation WINGO sisccscicsccseniieascosvocsd tsseuiceanecnniens A 64 IPX Route Filters WInNgdOw ses se recta deny dates tvaaccanteusd acedsslanccedeabasaccasentacaies A 66 IPX Service Network Filter Configuration Window ceeeeeeeees A 71 IPX Service Network Filters WindOW 0 c cccccesceeseee cesses eeeteeeeeaeeeees A 74
162. ndwidth for data traffic improving communication and reducing network delays For more information about dial services refer to Configuring Dial Services Using Dial on Demand Service Dial on demand supports synchronous lines RS232 V 35 RS422 and X 21 and ISDN interfaces When dial on demand is configured the router activates a dial on demand circuit for any one of the following reasons e The router has data to send across the circuit When the router has data to transmit it automatically selects one of the demand lines from the circuit s associated demand pool As long as data is going across the line the end to end connection remains active e You enabled a force dial The router forces the establishment of a circuit You enabled the Force Dial parameter to immediately activate a line and establish a connection Using this parameter you can force the connection to come up regardless of whether there is data activity The router brings down the circuit for any one of these reasons e The configured inactivity time expires e You scheduled the circuit to come down e You enabled a forced take down Figure 5 13 shows a dial on demand line connecting two routers In this example when the router has data to transmit across a demand circuit or when you configure the router to bring up a demand circuit the router instructs the dial device to establish a connection Note Don t configure IPX adjacent hosts with dia
163. nection begins e When an active PVC becomes inactive the router reflects the lost connection in its routing information database Note For IPX you can use Frame Relay s direct group or hybrid mode For IPXWAN only direct mode is valid In Frame Relay direct mode is a point to point connection Frame Relay group mode or hybrid mode involves a point to multipoint connection Negotiating an IPXWAN Connection Establishing an IPXWAN connection involves negotiating which router will be the master Being the master does not imply any special privileges it simply indicates which router is the requestor in the ensuing request response exchanges A router retains its role master or slave for the remainder of the IPXWAN exchanges The following options are determined after successful negotiation by the IPXWAN protocol e WAN link delay used in tick based routing across the WAN link e Network number for the WAN link e Routing protocol to be implemented over the WAN link Configuring an IPX Service to Run over a WAN When you configure an IPX service to run over a WAN you need to make sure the following parameters have the appropriate settings on the IPX Configuration window e Configured Network Number required if IPXWAN is disabled e RIP SAP 114051 Rev A 4 3 Configuring IPX Services e Circuit Index e IPXWAN e Common Network Number required for IPXWAN e Negotiated Protocols required for IPXWAN In
164. network filter Select Disable to disable the service network filter 1 3 6 1 4 1 18 3 5 5 30 1 2 Target Network hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter None Any valid NetWare address in hexadecimal notation Specifies the network on which you want to apply the service network filter Enter the address of the target network in hexadecimal format Using a mask you can make this stand for a single network or a range of networks with similar addresses You can specify all networks by entering a Target Network of OxFFFFFFF and a Target Network Mask of OXFFFFFFF 1 3 6 1 4 1 18 3 5 5 30 1 6 Target Network Mask hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter None Any valid IPX network address in hexadecimal notation The mask combined with the Target Network parameter value determines which networks will be filtered Enter a network address or filter pattern of up to 8 hexadecimal characters A mask of OXFFFFFFFF specifies an exact match with the network address specified in the Target Network parameter You can specify all networks by entering a Target Network of OxFFFFFFFF and a Target Network Mask of OxFFFFFFFF A value of 0x0 is invalid 1 3 6 1 4 1 18 3 5 5 30 1 7 114051 Rev A A 75 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default
165. nfiguration Edit the S21 circuit and set the WAN protocol to Standard Add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000B Edit the S22 circuit and set the WAN protocol to Frame Relay Add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000C and click OK Select Protocols gt IPX gt Interfaces and highlight the IPX Network parameter which should be set to OxOOO0000C Click on the RIP button and set the Split Horizon parameter to Disable Note Turn off Split Horizon on the Frame Relay hub router if the spoke routers are to learn routes from each other However leave Split Horizon enabled on spoke routers Router 2 Edit the E21 circuit and add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000E Edit the S21 circuit and set the WAN protocol to Standard Add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000B Edit the 031 circuit and set the ring speed to 16 MB Add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000D and the Configured Encaps parameter to SNAP 114051 Rev A D 3 A accepting default configuration parameter values 1 5 accessing IPX parameters usi
166. nfigurations for them The following assumptions apply The router uses the tick based RIP method The Frame Relay cloud is nonfully meshed and all PVCs are group mode You have set the management type to default You have configured RIP for all interfaces You have enabled Multiple Host Addressing under IPX Global Default settings are in effect for all timer values 114051 Rev A D 1 Configuring IPX Services Router 2 _ lt L Router A B Frame Relay C ve Nonfully Meshed Group 802 2 encapsulation a a sa Novell IPX Network 0x0000000D 4 x c IPX Network S22 IPX Network 031 IPX Network Server 0x0000000A LS 0x0000000B j 0x0000000E E21 S21 S21 C C Novell tei 3 X 1 3 Server 802 2 encapsulation Key S Server C Client Figure D 1 Sample IPX Configuration Configuration Particulars Router 1 Edit the E21 circuit and add the IPX and RIP protocols The IPX Configuration window appears Set the Configured Network Number parameter to 0x0000000A and the Configured Encaps parameter to Novell D 2 114051 Rev A Sample IPX Co
167. ng the Technician Interface A 9 action SAP filters 5 56 adding IPX route filters A 64 service network filter A 71 adjacent host 2 3 configuration parameter descriptions A 49 parameter descriptions A 51 advanced global parameters descriptions A 21 editing A 21 advertisement interval RIP 5 18 5 25 Age Multiplier IPX RIP circuit parameter A 36 IPX SAP circuit parameter A 42 Aging Frequency advanced global parameter A 18 Aging Pending Frequency advanced global parameter A 18 ATM circuits 5 14 B bandwidth 5 48 5 50 bandwidth on demand 5 42 Bay Networks CompuServe forum xxvi Index Customer Service FTP xxv home page on World Wide Web xxv InfoFACTS service xxvii publications ordering xxi support programs xxiv Support Source CD xxvi Technical Response Center xxiii xxvii technical support xxiii bindery and SAP 5 24 bridge source route bridge endstation support 5 67 broadcast filter NetBIOS 5 37 C change circuit parameters editing A 39 characters in SAP pattern matching filters 5 59 circuits LAN and WAN 2 5 client server connection example 5 71 role of Bay Networks router 5 70 Common Network Number 4 7 CompuServe Bay Networks forum on xxvi concatenation rules and operators SAP pattern matching filters 5 61 configurable RIP timers 5 18 configurable SAP timers 5 25 configurable split horizon 5 20 114051 Rev A Index 1 Configuring IPX Services
168. niana AiR 5 65 Entering the Target Service NAME sisanra aiana iia e aaia 5 65 Entenng ihe Target Semice OG sirenai anaresueisiestiacaueeeenaetiiece 5 65 Setin ae Fiter P canar 5 65 Applying Filters to Inbound or Outbound Packets ccsececcescceeteeeeeeeteeeeneeees 5 66 BOSC ihe Proto ercsi ees 5 66 Specifying How to Process SAP Advertisements 0 0 0 eceeeeeseeeeeeeeeeteeeeteeeeaeees 5 66 Specifying a Cost sssaaa E E E E ET aa 5 67 Source Route Bridge Endstation SUpport senesinin and a canines 5 67 PAPU OUDOT aeiia Aaea a E AEE AAEE 5 69 Role of Bay Networks Routers in a Client Server Connection ccccccceeeereees 5 70 Example Client Server Connection via Bay Networks Router ceeeeeeeeeee 5 71 Appendix A IPX Parameters PAX Conigutaton Parametar E ENA A 1 IPXWAN Configuration Parameters wsciasccscccteseenisese cedeincas enmssevetensabiasdenneataca iene eda sane A 7 PX Global Parameierg aruninga edie eee SaaS A 9 IPX Advanced Global Parameiere 24 Gsccadiiss dinni nE RE A 13 IPX Interface Parameters pada EE E E T E T o A 21 IPX Change Circuit Paramete S cnma irana E A 29 IPX RIF Cram WARNS aricii aaa ananahi AE A 34 PXSAP Circuit PRIDE E ese sata iscc tata piscpirhadiadolesares r item embatieds A 40 IPX NetBIOS Static Route Configuration Parameters cccccceeecceeeeeeeeeeeeeesseeeeeneees A 45 IPX NetBIOS Static Route Parameters ccccccesceeeceeeseeeeeeeeeeeeeeeceaeeceaeseneetaeeee
169. nk protocol type Enter a WAN address of up to 16 hexadecimal characters if the interface is on an ATM or SMDS network Enter a decimal DLCI number if the interface is on a Frame Relay network 1 3 6 1 4 1 18 3 5 5 26 1 6 A 52 114051 Rev A IPX Parameters IPX Static Route Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID Cancel Target Heteork hues Hegt Hop Host ihes Figure A 13 IPX Static Route Configuration Window Target Network hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route gt Add None Any valid network address in hexadecimal notation Specifies the address of the network to which you want to configure the static route Enter a network address of up to 8 hexadecimal characters or click on Def Route to have the Configuration Manager fill in the default route OXFFFFFFFE 1 3 6 1 4 1 18 3 5 5 19 1 5 Note The Configuration Manager does not let you reconfigure the Target Network parameter for a static route If you want to change this parameter you must delete the static route and add a new route with the proper information However you can reconfigure all other parameters associated with a static route 114051 Rev A A 53 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Range Function I
170. ns If this is an outbound filter the entered cost replaces the server s cost that is advertised in SAP packets by this router MIB Object ID 1 3 6 1 4 1 18 3 5 5 31 1 11 114051 Rev A A 85 Appendix B IPX Default Parameter Settings This appendix lists the default settings for IPX parameters Use the Configuration Manager to edit any of the default settings listed here IPX Global Parameter Defaults This section describes all parameters shown on the Edit IPX Global Parameters window Table B 1 IPX Global Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 15 1 2 Multiple Host Address Enable Enable 1 3 6 1 4 1 18 3 5 5 15 1 6 Host Number hex If you disable the Multiple Host Address Enable parameter and enter a unique host number the Configuration Manager assigns this number to all IPX interfaces you configure on the router If you disable the Multiple Host Address Enable parameter and do not enter a boxwide host ID number for this parameter the Configuration Manager automatically generates a unique 6 byte host ID number for all IPX interfaces based on the serial number of the router s backplane 1 3 6 1 4 1 18 3 5 5 15 1 7 Router Name None 1 3 6 1 4 1 18 3 5 5 15 1 9 Primary Net Number hex None 1 3 6 1 4 1 18 3 5 5 15 1 5 114051 Rev A B 1 Configuring IPX Services IPX Advanced Global Parameter Default Valu
171. ns MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters FR Broadcast hex Configuration Manager gt Protocols gt IPX gt Interfaces OxFFFFFFFFFFFF not displayed Default value or a user specified WAN broadcast address Specifies a broadcast address for this IPX interface This parameter is available for any WAN protocol and any media type The default value OxFFFFFFFFFFFF causes the data link layer to issue a WAN broadcast packet on all active virtual circuits The value is not actually included in the MAC field of the packet on the WAN The packet instead contains a value that is appropriate for the type of data link protocol Leave blank to accept the default value or enter a WAN broadcast address to send all broadcast traffic through the IPX interface you are configuring With the default value the IPX router sends all broadcast traffic through all logical connections associated with the IPX interface you are configuring Broadcast traffic includes RIP and SAP broadcasts 1 3 6 1 4 1 18 3 5 5 17 1 28 FR Multicast hex Configuration Manager gt Protocols gt IPX gt Interfaces OxFFFFFFFFFFFF not displayed Default value or a user specified WAN multicast address Specifies a multicast address for this IPX interface This parameter is available for any WAN protocol and any media type The default value OxFFFFFFFFFFFF causes the data link lay
172. nstructions MIB Object ID Next Hop hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route gt Add None Any valid host address in hexadecimal notation Specifies the address of the next hop host in the static routing path Enter a host address of up to 12 hexadecimal characters 1 3 6 1 4 1 18 3 5 5 19 1 8 Hop Count Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route gt Add 0 0 to the value of the Maximum Hops parameter minus 1 The IPX router uses Hop Count when determining the best route for a datagram to follow The hop count is also propagated through RIP The default setting of 0 for static routes means use the hop count associated with the interface Accept the default 0 or enter a value from 1 to one less than the maximum number of hops 1 3 6 1 4 1 18 3 5 5 19 1 7 A 54 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID IPX Parameters Ticks Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Route gt Add 0 0 to maximum positive integer Specifies the number of 1 18th second timer ticks required for an IPX datagram to traverse this static route The IPX router uses tick cost when determining the best route for a datagram to follow The tick cost is also propagated through RIP The default setting of 0 for the tick cost of static rout
173. ntained on an IPX network they can also access all services within that network regardless of whether a service has been filtered It s like telling the Post Office to discard all sale flyers that you receive from a certain store You assume that the store still exists and you can still go to and buy from that store even though you may not know its latest specials The IPX router always updates its own SAP services table according to inbound SAP data You can configure SAP filters using the following levels e You can filter SAP service information pertaining to individual servers by editing server level SAP filters At the service level the filter matches a pattern that you specify consisting of a service name pattern and a service type The filter s Action parameter determines the action Accept Advertise or Suppress Site Manager Action parameter page A 69 e You can filter service information pertaining to entire networks by editing network level SAP filters At the network level the filter matches a pattern that you specify consisting of a service network number and a service type The filter s Action parameter determines the action Accept Advertise or Suppress Site Manager Target Server parameter page A 82 Site Manager Target Service Type hex parameter page A 82 Site Manager Action parameter page A 84 5 56 114051 Rev A Customizing IPX The IPX router with an outbound
174. o log in or attach to specific servers Instead users can log in to the network and get access to all authorized network resources NDS is compatible with bindery based versions of NetWare through the bindery emulation feature of NDS The NDS server distributes the service information using direct unicast based protocols instead of using broadcast based SAP Therefore the use of SAP in an NDS network is greatly reduced Even in a network that includes only NetWare 4 0 servers however clients still use SAP to locate the nearest NDS server at startup SAP and the NetWare Bindery NetWare 3 x and Earlier Novell IPX routers running NetWare versions earlier than 4 0 maintain a database called a bindery The bindery includes information such as server type IPX address hop count the interface to the server a timer value for table entries and a list of clients If an entry in a bindery reaches its configured maximum age without being refreshed timer resets to zero the router deletes the entry from that bindery Bay Networks routers implement a similar structure a global services table for these services Each time an IPX router receives a SAP packet it compares the packet s contents to the contents of its SAP services table If the SAP services table already contains information about a specific service the router simply refreshes the age timer for that entry If the SAP services table does not contain information about the service and
175. o transmit 1 byte of data excluding protocol headers to a destination on the other end of this IPX circuit if the circuit is free of other traffic Enter a value between 0 and 2147483647 1 3 6 1 4 1 18 3 5 5 17 1 66 Stabilization Timer Delay secs Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP 120 0 to 2147483647 Determines the amount of time in seconds that RIP SAP waits before sending out initial route information when the dial on demand route first becomes enabled The more routes that you expect a router to handle or the more dynamic the network is the higher you should set this value to allow the router enough time to assimilate incoming routes before it sends out an initial update on a circuit 1 3 6 1 4 1 18 3 5 5 17 1 69 A 28 114051 Rev A IPX Parameters Parameter Throughput Path Configuration Manager gt Protocols gt IPX gt Interfaces Default 0 Range 0 to 2147483647 Function Specifies the amount of data in bits per second that can flow through an IPX circuit if the circuit is free of other traffic Instructions Enter a value between 0 and 2147483647 MIB Object ID 1 3 6 1 4 1 18 3 5 5 17 1 67 IPX Change Circuit Parameters IPX change circuit parameters modify the way IPX runs over a particular circuit You access these parameters via the IPX Change Circuit window Figure A 6 for each circuit that you have configured Configured Heteork Humber hes Configured
176. ocally to IPX watchdog packets on behalf of clients Without these packets endpoints have no way to tell if a peer has become unreachable This parameter also enables SPX Keep Alive Spoofing Site Manager IPX Watchdog Spoofing parameter page A 28 Configuring RIP and SAP Broadcast Timers A Bay Networks router running IPX lets you control the frequency of RIP and SAP update packet transmissions over both local and wide area links RIP and SAP transmissions provide the following benefits e You spend less time manually configuring changes to static services and service routes across your network e You reduce the cost of administering Bay Networks routers installed across your network compared to the cost of building static routes or static services tables e You allow a router to respond to changes in services and routes offered on the network e You enable users to have more accurate up to date information on services and service routes offered on the network However periodic RIP and SAP transmissions mean e Less bandwidth is available for user data Consequently user data transmissions take longer thereby increasing WAN line costs 5 48 114051 Rev A Customizing IPX e You sacrifice some level of manual control over services and routes made available to network users Your particular networking environment may require a higher degree of manual control over information on services and service routes offe
177. ols gt IPX gt Global gt Advanced 1 path 1 to 1 023 paths Specifies the maximum number of paths allowed for a given network destination and routing method Accept the default 1 or specify an integer in the range 1 to 1 023 1 3 6 1 4 1 18 3 5 5 16 1 5 Log Filter Configuration Manager gt Protocols gt IPX gt Global gt Advanced Trace None Debug Info Trace Debug Info Debug Trace Info Trace Debug Info Trace Filters out the specified type of log message For example the default setting Trace filters out trace messages Do not change the default value of this parameter unless you are an expert IPX user Changing the value of this parameter produces significant boxwide effects on memory allocation within the router and these changes can significantly affect router performance If you are qualified as an expert user enter a filtering mode that yields a level of performance most appropriate for network applications supported by this router 1 3 6 1 4 1 18 3 5 5 16 1 4 Maximum Path Splits Configuration Manager gt Protocols gt IPX gt Global gt Advanced Enable Enable Disable If enabled IPX will do load balancing to a particular destination up to the number of paths specified in the Maximum Path parameter see above Accept the default enable to do load balance on the number of equal cost paths specified in the Maximum Path parameter above 1 3 6 1 4 1 18 3 5 5 16 1 6 114051 Rev A
178. on window Table B 17 SAP Network Filter Configuration Parameter Default Values Parameter Default MIB Object ID Target Network hex None 1 3 6 1 4 1 18 3 5 5 30 1 6 Target Network Mask hex None 1 3 6 1 4 1 18 3 5 5 30 1 7 Target Service Type hex None 1 3 6 1 4 1 18 3 5 5 30 1 8 Filter Priority None 1 3 6 1 4 1 18 3 5 5 30 1 14 Mode Outbound 1 3 6 1 4 1 18 3 5 5 30 1 9 Protocol Any 1 3 6 1 4 1 18 3 5 5 30 1 11 Action Advertise Accept 1 3 6 1 4 1 18 3 5 5 30 1 10 Cost None 1 3 6 1 4 1 18 3 5 5 30 1 12 IPX SAP Network Level Filter Parameter Descriptions This section describes all parameters shown on the IPX Service Network Filters window Table B 18 SAP Network Level Filter Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 30 1 2 Target Network hex None 1 3 6 1 4 1 18 3 5 5 30 1 6 Target Network Mask hex None 1 3 6 1 4 1 18 3 5 5 30 1 7 Target Service Type hex None 1 3 6 1 4 1 18 3 5 5 30 1 8 Filter Priority None 1 3 6 1 4 1 18 3 5 5 30 1 14 Mode Outbound 1 3 6 1 4 1 18 3 5 5 30 1 9 Protocol Any 1 3 6 1 4 1 18 3 5 5 30 1 11 B 10 114051 Rev A IPX Default Parameter Settings Table B 18 SAP Network Level Filter Parameter Default Values Parameter Default MIB Object ID Action Advertise Accept 1 3 6 1 4 1 18 3 5 5 30 1 10 Cost None 1 3 6 1 4 1 18 3 5 5 30 1 12 IPX Server Leve
179. ontinued Hexadecimal Service Type Identifier TES NetWare for VMS 007A Emerald Backup WATCOM Debugger 0092 TES NetWare for VMS 0095 NetWare Access Server NAS 0098 SQL Server Named Pipes 009A NetWare Access Server 009B Portable NetWare SunLink NVT 009E Progress Database Server 009F PowerChute APC UPS NLM 00A1 Compaq IDA Status Monitor O00AC Unknown 0100 Intel LAN Protect Bindery 0102 Oracle Database Server 0103 NetWare 386 Remote Console 0107 Novell SNA Gateway 010F HP Print Server 0112 CSA MUX 0114 CSA LCA 0115 CSA CM 0116 CSA SMA 0117 CSA DBA 0118 CSA NMA 0119 CSA SSA 011A CSA STATUS 011B CSA APPC 011E 114051 Rev A C 3 Configuring IPX Services Table C 1 Service Types and Identifiers continued Hexadecimal Service Type Identifier SNA TEST SAA profile 0126 CSA TRACE 012A Unknown 012E Communications Executive 0130 NFS Domain Server 0133 NetWare Naming Service NNS Profile 0135 NNS Queue NW Print Queue 0137 NNS Domain Scheme Descriptor 0138 Intel LANSpool VAP 0141 Aladdin Knowledge 0142 Optical Drives 0143 IrmaLAN Gateway 0152 Named Pipe Server 0154 Intel PICKIT CAS Talk Server 0168 Unknown User 0173 Compag SNMP Agent 0174 Xtree Server 0180 Xtree 0189 NetWare Access Server 018A GARP Gateway Net Research 01B0 BindView LAN Support Group 01B1 Intel LanDesk Manager 01BF Unknown 01CA Shiva Netmodem 01CB LanRover
180. ority relative to other filters of the same type for this interface Lower values indicate higher priorities The highest priority is 0 1 3 6 1 4 1 18 3 5 5 29 1 13 114051 Rev A A 65 Configuring IPX Services IPX Route Filter Parameters This section describes how to set all the parameters shown on the IPX Route Filters window Target Hoteni hex Os Target Hetwnrke Bask hex Ox 0000 FFE Filter Priority Hodo TEOUHI Protocol Figure A 18 IPX Route Filters Window Parameter Enable Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter Default Enable Options Enable Disable Function Enables or disables a route filter previously added to a specific IPX interface Instructions Select Enable to enable a route filter Select Disable to disable a route filter MIB Object ID 1 3 6 1 4 1 18 3 5 5 29 1 2 A 66 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID IPX Parameters Target Network hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Route Filter None Any valid NetWare address in hexadecimal format Identifies the network on which you want to apply the filter that is the filter ID in the previous example Enter the address of the target network in hexadecimal format Using a filter you can
181. ormation tatic Services Enable a static service to restore client access to NetWare services configured earlier on the IPX interface Disable a static service to make NetWare services configured earlier unavailable to clients Site Manager Enable parameter page A 62 114051 Rev A 5 31 Configuring IPX Services Specifying the Network Address of a Service When you are using a static service the network address for the service must exist as an entry in the IPX routing table The router can learn the entry dynamically or you can configure the entry as a static route Site Manager Target Network hex parameter page A 62 Specifying the Address of the Host that Provides a Service You must specify the address of a remote IPX host a NetWare server that can provide local clients with specific NetWare services such as file print gateway or terminal server services Site Manager Host Number hex parameter page A 62 Assigning a Symbolic Name to Your Service You must assign a symbolic name to the service you want to advertise Use the actual name of the server that the clients will attach to Make this name meaningful to the network administrator The name must be unique among all names assigned to IPX servers of the same type on the IPX internetwork Site Manager Service Name parameter page A 58 Entering the Service Type Number You must specify the Novell servic
182. otiates successfully the IPX interface becomes active If IPXWAN negotiation fails the IPX interface cannot become active Configuration Guidelines Configuration 1 e IPXCP Use the value zero for the IPX network number when configuring the local and remote Point to Point Protocol interface e IPXWAN Use a unique router name and Primary Network Number in the IPX Global Parameters window when configuring the local routers 114051 Rev A Configuring IPX Services You must enable IPXWAN on the interface You must also enter a unique Common Network Number for the IPX interface you just configured except that the CNN can be zero when Unnumbered RIP is configured on both interfaces Site Manager IPXWAN parameter page A 5 Site Manager Common Network Number hex parameter page A 5 Configuration 2 IPXWAN on Both Interfaces In this configuration IPXWAN exclusively negotiates an IPX network number for the link If IPXWAN negotiates successfully the IPX interface becomes active If IPXWAN negotiation fails the IPX interface cannot become active Configuration Guidelines Configuration 2 e IPXCP No configuration requirements e IPXWAN Use a unique router name and PNN in the IPX Global Parameters window when configuring the local and remote routers You must enable IPXWAN on the interface You must also enter a unique Common Network Number for the IPX interface you just configured except that the
183. ough time to assimilate incoming routes before it sends out an initial update on a circuit Site Manager Stabilization Timer Delay secs parameter page A 28 Handling Packets Associated with Upper Layer Protocols The router encapsulates within the data field of an IPX packet any packets associated with Novell s upper layer protocols The structure of a packet as well as the source and destination socket numbers contained in that packet identify the protocol type associated with that packet for example Service Advertising Protocol and Routing Information Protocol The upper layer services are e SPX e NCP Bay Networks router software lets you select the basis on which an IPX router makes its routing decisions on the number of ticks or the number of hops required to reach a given destination network The IPX routing software also provides the following services over LAN and WAN media e Multipath routing and load sharing e Split Horizon capability e NetBIOS all networks broadcast packets Type 20 packets e Source routing and endstation support e IPX ping capability The following sections describe how Bay Networks routers support these services 5 12 114051 Rev A Customizing IPX The Routing Information Protocol RIP The Routing Information Protocol RIP enables workstations and routers to exchange route information and to establish the route to each network with the fewest hops and shortest del
184. outer 1 both configured for IPXCP negotiate a connection at the data link layer Once the options are successfully negotiated the IPXCP interfaces in both the local router and Remote Router 1 must agree on a unique network number When you initially configure an IPXCP interface you assign an IPX network number to that interface The routers select the higher of the two IPX network numbers See Configuring PPP Services for instructions on configuring the IPX network number for an IPXCP interface 114051 Rev A 4 9 Configuring IPX Services Note For PPP communication between a Bay Networks Version 7 8 9 10 or 11 IPX router and a Bay Networks Version 5 IPX router or any other vendor s router that does not support IPXCP negotiations you must manually configure the network number of the IPX interface on both routers IPXWAN Link Negotiation The local router and Remote Router 2 are both configured for IPXWAN When you initially configure an IPXWAN interface you assign a Primary Network Number PNN to the router The router with the highest PNN becomes the master during IPXWAN negotiations on that WAN link In Figure 4 3 the local router PNN 00000012 is the master and Remote Router 2 PNN 00000007 is the slave During the IPXWAN negotiations both routers negotiate their link options If successful the CNN configured for the interface on the master becomes the IPX network number for the WAN link Once the IPXWAN negoti
185. over WAN Media You can establish an IPX connection over any of the WAN media types supported by Bay Networks IPX router refer to Table 2 2 The choice of protocols depends on the type of connection and what you want the protocol to do The WAN protocol PPP uses the IPXCP protocol RFC 1552 IPXCP supports the routing of IPX packets over wide area links that support only the Point to Point Protocol IPXCP is a data link protocol that is part of PPP To enable IPXCP you must first configure the interface to support PPP For instructions on how to do this refer to Configuring PPP Services For the ATM SMDS X 25 PDN X 25 Point to Point and Bay Networks Point to Point protocols once you choose the protocol only one encapsulation method is allowed for all WAN protocols 114051 Rev A 4 1 Configuring IPX Services For the Frame Relay and PPP WAN protocols you can optionally run IPXWAN RFC 1634 Note Use IPXCP or IPXWAN when you want the routers to negotiate the options required for communication over the WAN link Alternatively you can explicitly specify the values for the WAN link without using either IPXCP or IPXWAN as long as you ensure that what you configure at each end of the link is compatible Using IPXCP and IPXWAN Incorporating IPXWAN in the Bay Networks router provides the following benefits e Adherence to RFCs 1362 and 1634 IPXWAN protocols developed by Novell e A common link negotiation method for WA
186. periodic SAP advertisements which are broadcast over Router R2 s LAN interfaces every 60 seconds in conformance with IPX specifications The key benefit in this example is that SAP overhead is eliminated over the WAN link 5 30 114051 Rev A Network A Figure 5 8 Enabling S Customizing IPX SAP entries pertaining to Servers A and B manually entered and broadcast over attached LAN interface Network C C o Network B Drop outbound SAP updates pertaining to Server B Server A and Server B IPX0013A IPX SAP Filters Prohibiting SAP Broadcasts You add edit or delete static services through the IPX Static Services window For instructions see IPX Static Service Configuration Parameters in Appendix A You can configure only services that have valid network addresses Valid network addresses are provided either by RIP or by statically configured routes If you try to enter any services that have invalid network addresses in the router configuration the router accepts the information but the services are unreachable Note Broadcast mechanisms such as periodic RIP and SAP advertisements can force dial on demand connections to be continuously established preventing user defined dial on demand expiration time limits from being reached See the next section for more inf
187. ple Client Server Connection via Bay Networks Router In the example shown in Figure 5 17 Client A sends a SAP request to locate a file server Here s what happens as a result of that request 1 Because the server does not reside on LAN A the same LAN as Client A the Bay Networks IPX router Host 2 sends a SAP response to Client A informing it that the File Server Host 3 on Token Ring 6 is the nearest device offering the requested service Client A then sends a RIP request to determine the best path to Host 3 The Bay Networks IPX router Host 2 sends a RIP response to Client A that includes the server s internal network address and the intervening hop and tick count from Host 3 to Client A Client A sends an NCP request packet to the Bay Networks IPX router Host 2 The router then forwards the packet to Host 3 114051 Rev A 5 71 Configuring IPX Services Print Server E Host 1 File Server Host 3 LANA IPX Router Host 2 IPX Router Host 5 Host Server Host 4 Figure 5 17 Sample IPX Network D F Client IPX0020A 5 72 114051 Rev A Appendix A IPX Parameters This appendix explains all the IPX parameters and how to use them if you want to
188. r supports the IPX ping feature which uses an IPX diagnostic packet to ping NetWare servers to determine the accessibility that is the status alive or not responding of the following e A remote Bay Networks router e A Novell IPX server except as noted below e A Novell multiprotocol router e A NetWare client This feature can be particularly useful in troubleshooting large networks Note In conformance with the Novell specification a Bay Networks router running IPX will respond to pings from NetWare servers but will not initiate pings to those servers Instead the router running IPX will use diagnostic packets to accomplish the ping function Using the IPX ping command the router attempts to communicate with another router running IPX a server or an IPX client and determines whether the destination node is functioning and reachable from the source node The pinging Bay Networks router sends an IPX diagnostic packet called a Configuration Request and either the pinged router running IPX the server or the IPX client responds with a Configure Response packet See Managing Routers and BNX Platforms for instructions on using the ping feature in IPX 114051 Rev A 5 69 Configuring IPX Services Role of Bay Networks Routers in a Client Server Connection This section describes how Bay Networks routers running IPX provide clients access to servers on an IPX internetwork Router builds
189. rame encapsulation types endstation support 5 12 5 67 F filter adding service network filters A 71 deleting service name filters A 85 editing service name filters 5 64 NetBIOS broadcast 5 37 SAP 5 55 SAP filter concatenation rules and operators 5 61 SAP filter pattern matching 5 56 SAP filtering example 5 63 SAP filters prohibiting SAP broadcasts 5 31 SAP filters with pattern matching 5 59 SAP pattern matching characters 5 59 service name filter configuration parameters A 79 Index 2 114051 Rev A service network filter parameters 5 63 A 71 A 74 traffic filters with dial on demand 5 44 filters SAP filters with wildcards 5 57 frame encapsulation types 3 3 3 9 frame formats 2 5 Frame Relay 4 2 4 3 circuits 5 14 fully meshed network 5 20 split horizon enabled 5 21 G getting help from a Bay Networks Technical Response Center xxvii from the Support Source CD xxvi through CompuServe xxvi through Customer Service FTP xxv through InfoFACTS service xxvii through World Wide Web xxv global parameters advanced descriptions A 21 advanced editing A 21 H HDLC encapsulation 5 15 hop as basis for routing decision 5 12 definition A 14 RIP maximum 5 15 hop count A 14 host Router Host Number parameter A 11 Host Count advanced global parameter A 17 host ID numbers on a Token Ring circuit 3 8 Host Number Index adjacent host parameter A 50 IPX interface p
190. red to users on your network You can adjust the frequency of RIP and SAP update packet transmissions by specifying the Update Interval parameter in seconds on the IPX RIP Circuit window or the IPX SAP Circuit window respectively for the particular circuit The higher the number you enter the less frequent the transmissions If you enter zero no periodic RIP or SAP updates are sent out the IPX interface of the router However RIP and SAP immediate one time update packets still propagate through the network in compliance with Novell standards The default interval is 60 seconds Site Manager Update Interval sec parameter page A 36 Eliminating periodic RIP and SAP updates provides the following benefits e Reduced RIP and SAP overhead on your network e Increased bandwidth available for user data e Reduced WAN line costs for packet transmission e Increased manual control over network services and routes However not having periodic RIP and SAP transmissions means e A slower response time of the network to changes in network services and routes e An increase in the time and cost of administering changes to services and service routes made available through Bay networks routers on your network RIP and SAP timer settings should be the same on both sides of the WAN Refer to the sections Configurable RIP Timers and Configurable SAP Timers in this chapter for more detailed information 114051 Rev A 5
191. requency of RIP update packet transmissions in seconds for this circuit The higher the number you enter the less frequent the transmissions If you enter zero no periodic RIP updates are sent out over the IPX interface to the router However RIP immediate one time update packets still propagate through the network in compliance with Novell standards 1 3 6 1 4 1 18 3 5 5 32 1 8 Age Multiplier Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP 3 update interval increments 1 to 6 increments Specifies the holding multiplier as the number of update intervals for information received in RIP periodic updates Accept the default value or specify a value in the range 1 to 6 Increasing this value can cause routes to take longer to age out Decreasing it could cause the router to age routes prematurely if routing updates are missed The combination of the update interval and age multiplier should be the same for all systems on a network segment 1 3 6 1 4 1 18 3 5 5 32 1 9 A 36 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Packet Size Configuration Manager gt Protocols gt IPX gt Interfaces gt RIP 432 Circuit type dependent Specifies the maximum RIP packet size in bytes used on this circuit Accept the default 432 bytes unless you
192. reviously added to a specific IPX interface Select Enable to re enable a static service previously disabled This restores client access to NetWare services configured earlier on the IPX interface Disable a static service to make NetWare services configured earlier unavailable to clients 1 3 6 1 4 1 18 3 5 5 23 1 2 Target Network hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv None Any valid IPX network address in hexadecimal notation Specifies the network address of this service Enter a network address of up to 8 hexadecimal characters The path to the network you specify for this service must exist as an entry in the IPX routing table The entry can be learned dynamically by the router or you can configure the entry as a static route 1 3 6 1 4 1 18 3 5 5 23 1 7 Host Number hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Static Serv None The address host ID of the service Specifies the address of a remote IPX host a NetWare server that can provide local clients with specific NetWare services such as file print gateway or terminal server services Enter a string of up to 12 hexadecimal characters 6 bytes as the address host ID of the remote IPX host server 1 3 6 1 4 1 18 3 5 5 23 1 8 A 62 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Opt
193. rface to the router However SAP immediate one time updates still propagate through the network in compliance with Novell standards 1 3 6 1 4 1 18 3 5 5 33 1 8 Age Multiplier Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP 3 update interval increments 1 to 6 increments Specifies the holding multiplier in update interval increments for information received in SAP periodic updates Accept the default value or specify a value in the range 1 to 6 Increasing this value can cause routes to take longer to age out Decreasing it could cause the router to age routes prematurely if routing updates are missed The combination of the update interval and age multiplier should be the same for all systems on a network segment 1 3 6 1 4 1 18 3 5 5 33 1 9 A 42 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Packet Size Configuration Manager gt Protocols gt IPX gt Interfaces gt SAP 480 Circuit type dependent Specifies the maximum SAP packet size in bytes used on this circuit Accept the default 480 bytes unless you have a specific reason for specifying a different size packet The packet size plus the IPX header 30 bytes cannot exceed the MTU of the link 1 3
194. ria 1 3 6 1 4 1 18 3 5 5 29 1 9 114051 Rev A A 69 Configuring IPX Services Parameter Path Default Range Function Instructions MIB Object ID Cost Configuration Manager gt Protocols gt IPX gt Static Filter Table gt Route Filter 1 for hop or tick based routing 1 to maximum positive integer if tick based routing is enabled 1 to one less than the value specified in the Maximum Hops parameter if hop based routing is enabled Used only when the Action parameter is Advertise Accept this parameter assigns a cost for routes matching this filter A zero cost indicates that the route s actual cost should be used This parameter sets the cost number of ticks or hops for this interface The cost is included in subsequent RIP packets sent to other interfaces IPX disposes of the packet when its hop count passes a value that is one less than the value of the Maximum Hops parameter This value must be the same across the network Do not change the default value of this parameter unless you are an expert IPX user Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router If the filter is an inbound filter the entered cost replaces the cost associated with the route in the RIP advertisement and the router uses this cost in its
195. rings in a regular expression and you can nest parentheses Vertical Bar Two regular expressions separated by the vertical bar match either a match for the first or a match for the second These two regular expressions are the longest that can be created subject to parentheses grouping For example these regular expressions are grouped as follows andlor and or and o r and o r a nd o r a plus either nd or o plus r Example SERVER 8FS 1FS Matches SERVER8FS and SERVER1FS Does not match SERVER or SERVER5FS Square Brackets Matches any single character in the bracketed set Example SERVER 123 Matches SERVER1 and SERVER3 Does not match SERVER123 or SERVER23 The server name filters take precedence over the service network filters Both service name and service network filters have an associated priority with smaller values denoting a higher priority Matching is performed by first checking all service name filters in order by priority If a match isn t found then the service network filters are checked in order by priority For example you may want to advertise from an IPX interface only one type of service Type 4 belonging to a particular server Server 1 You can configure e A service name SAP filter with a target service name of Server 1 a service type of 4 and an action to advertise 5 62 114051 Rev A Customizing IPX e A service network filter with a
196. rk hex None 1 3 6 1 4 1 18 3 5 5 27 1 5 IPX NetBIOS Static Route Parameter Default Values This section describes how to set all parameters shown on the IPX NetBIOS Static Routes window Table B 8 IPX NetBIOS Static Route Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 27 1 2 Target Server None 1 3 6 1 4 1 18 3 5 5 27 1 5 Adjacent Host Configuration Parameter Default Values This section describes all parameters shown on the Adjacent Host Configuration window Table B 9 Adjacent Host Configuration Parameter Default Values Parameter Default MIB Object ID Host Number hex None 1 3 6 1 4 1 18 3 5 5 26 1 5 WAN Address hex None 1 3 6 1 4 1 18 3 5 5 26 1 6 DLCI decimal B 6 114051 Rev A IPX Adjacent Hosts Parameter Default Values IPX Default Parameter Settings This section lists all the parameters shown on the Adjacent Hosts window Table B 10 IPX Adjacent Hosts Parameter Default Values Parameter Default MIB Object ID Enable Enable 1 3 6 1 4 1 18 3 5 5 26 1 2 WAN Address hex DLCI decimal None 1 3 6 1 4 1 18 3 5 5 26 1 6 IPX Static Route Configuration Parameter Default Values This section describes all parameters shown on the IPX Configuration window Table B 11 IPX Static Route Configuration Parameter Default Values Parameter Default MIB Object ID Target Network
197. rotocol s parameter page A 6 Click on OK If you did not enable IPXWAN services IPX is now completely configured using the information you supplied and all other supplied default values You can now use IPX If you want to change any of the supplied defaults to fine tune the way IPX works refer to Appendix A If you enabled IPX WAN services in the IPX Configuration window the IPXWAN Configuration window appears You must supply the following information A router name The router name is any symbolic name that you choose for the router You must choose a name that is unique among those assigned to IPX file servers and routers anywhere in the IPX internetwork Any IPXWAN RFC1634 compliant interface in the node uses this name to identify itself to the IPX router or server at the opposite end of the WAN data link Site Manager Router Name parameter page A 7 A primary network number A primary network number is a unique string of up to 8 hexadecimal characters that specifies an IPX network number for IPXWAN link negotiation on all slots You can enter any unused value between 0x00000001 and OxFFFFFFFD The value you enter for the primary network number determines whether the local or remote router on the WAN circuit serves as the IPX Link Master The node with the highest primary network number becomes the IPX Link Master Site Manager Primary Net Number hex parameter page A 8 1 4 114051
198. rotocols gt IPX gt Static Filter Tables gt Name Filter Default Enable Options Enable Disable Function Specifies whether the service name filter displayed is active on this interface Instructions Select Enable to enable the service name filter Select Disable to disable the service name filter MIB Object ID 1 3 6 1 4 1 18 3 5 5 31 1 2 114051 Rev A A 81 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Target Server Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter None Any valid alphanumeric server name or one containing wildcard characters or a pattern matching regular expression See Using Wildcards with SAP Filters and Using Pattern Matching with SAP Filters for lists of these characters This is the filter that you want to apply It can specify the name of the server to which you are applying the server level SAP filter or it can be a filter containing a wildcard or a pattern regular expression to be matched Enter a service name or filter pattern consisting of up to 48 alphanumeric characters optionally including wildcards or a regular expression pattern 1 3 6 1 4 1 18 3 5 5 31 1 6 Target Service Type hex Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Name Filter None Any
199. routers can use local watchdog acknowledgment to improve the efficiency of IPX wide area links This feature also known as watchdog spoofing lets Bay Networks routers locally respond to broadcast IPX watchdog packets on behalf or clients connected over dial in connections Site Manager IPX Watchdog Spoofing parameter page A 28 Without local watchdog acknowledgment each time a server sends an IPX watchdog packet to a logically connected client the dial on demand link will be established and remain up to support the communication between the client and the server that is the watchdog packets Within an IPX network servers rely on client watchdog acknowledgments to verify that client sessions are still active with the server The router closest to the server responds on behalf of the client As a result NetWare servers may reach the maximum client sessions supported by the server although not all clients are truly maintaining a session This can happen if the client does not perform a standard closure of the session for example if the client PC is rebooted You can avoid this potential problem by implementing NetWare s auto logoff feature to ensure that client sessions are released when they are no longer in use Local SPX Keep Alive Acknowledgment In a NetWare network SPX Keep Alive packets are periodically transmitted to maintain SPX sessions between client and servers To prevent these packets from initiating c
200. rs A one character regular expression followed by m m or m n is a regular expression that matches a range of occurrences of the one character regular expression The values m and n must be non negative integers less than 255 The symbols in braces mean the following m matches exactly m occurrences m matches at least m occurrences m n matches any number of occurrences between m and n Whenever a choice exists the regular expression matches as many occurrences as possible For example the operator is equivalent to 0 1 the operator is equivalent to 0 and the operator is equivalent to 1 Use the following operators to construct regular expressions from more than single character regular expressions 114051 Rev A 5 61 Configuring IPX Services Table 5 2 Concatenation Rules and Operators continued Rule Operator Interpretation Regular expression s enclosed in parentheses A regular expression enclosed within parentheses matches whatever the unadorned regular expression matches You use parentheses to group a series of regular expressions that you want to have treated as a single character regular expression For example the regular expression O Xx matches a 0 that may or may not be followed by one X or x while the regular expression O Xx matches either nothing or the string OX or the string Ox You can have up to nine such subst
201. rs e A service first comes up e A service changes e A service is no longer available For more information about the Update Interval parameter see Configuring RIP and SAP Broadcast Timers in this chapter Figure 5 7 shows a sample network configured to use static SAP services If you want Client 1 to have access only to File Server 3 you configure File Server 3 in the static SAP Service table on Router 2 s interface Then to suppress any SAP broadcasts from Router 1 and thus reduce bandwidth use you can either turn off the SAP supply or disable SAP 114051 Rev A 5 29 Configuring IPX Services C File Server 1 SAP filter set to Suppress R1 R2 E L L File Server 2 File Server 3 configured in static SERVICE table Client 1 File Server 3 IPX0012A Figure 5 7 Static Service Network Configuration Figure 5 8 shows another example in which a SAP filter is configured on Router R1 prohibiting periodic SAP advertisements and triggered SAP updates from being propagated over the wide area link As a result the services resident on Server A or Server B are not visible to Networks C and D However SAP services resident on Servers A and B are manually entered into Router R2 s service table This way these servers are visible to IPX endstations on Networks C and D through
202. s such as Ethernet PPP Novell LSAP or SNAP available for each circuit type such as Ethernet Token Ring or sync The encapsulation method supports communication on a specific logical network Select an encapsulation method that matches the one the clients and servers on the same logical network use and is appropriate for the physical circuit as follows e Ethernet circuits support Ethernet LSAP Novell and SNAP frames e Token ring circuits support LSAP and SNAP frames e Synchronous circuits V 35 RS 232 V 24 RS 422 423 X 21 T1 E1 support SNAP PPP and X 25 Point to Point Ethernet frames e FDDI circuits support LSAP and SNAP frames e HSSI circuits support PPP and SNAP frames e ISDN circuits support PPP frames 1 3 6 1 4 1 18 3 5 5 17 1 40 Circuit Index Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change System assigned Any valid circuit identifier Uniquely identifies this circuit within this instance of IPX Accept the default or enter a valid circuit identifier 1 3 6 1 4 1 18 3 5 5 17 1 6 114051 Rev A A 31 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPXWAN Configuration Manager gt Protocols gt IPX gt Interfaces gt Circuit gt Change Enable Enable Disable Enables or disables IPXWAN for
203. s use the following numbers Region Telephone Number Fax Number United States and 1 800 2LANWAN enter Express Routing 508 670 8766 Canada Code ERC 290 when prompted 508 436 8880 direct Europe 33 92 968 300 33 92 968 301 Asia Pacific Region 612 9927 8800 612 9927 8811 Latin America 407 997 1713 407 997 1714 In addition you can receive information on support programs from your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner xxiv 114051 Rev A Technical Support and Online Services Bay Networks Information Services Bay Networks Information Services provide up to date support information as a first line resource for network administration expansion and maintenance This information is available from a variety of sources World Wide Web The Bay Networks Customer Support Web Server offers a diverse library of technical documents software agents and other important technical information to Bay Networks customers and partners A special benefit for contracted customers and resellers is the ability to access the Web Server to perform Case Management This feature enables your support staff to interact directly with the network experts in our worldwide Technical Response Centers A registered contact with a valid Site ID can e View a listing of support cases and determine the current status of any open case Case histor
204. s router running IPX provides the following network level support Dynamic routing of IPX packets Multiple IPX interfaces per circuit IPX over WAN media IPXWAN and IPXCP Routing Information Protocol RIP and Unnumbered RIP Service Advertising Protocol SAP Static Route support Default Route support Adjacent Host support Dial on Demand support Dynamic routing occurs normally on any IPX interface brief descriptions of the other supported capabilities follow Supported LAN Circuits WAN Circuits and Frame Formats IPX supports various combinations of physical circuits and data link layer frame formats You can choose the ones that are appropriate for the types of clients and applications on your network 114051 Rev A 2 3 Configuring IPX Services Table 2 1 shows the types of LAN circuits and frame formats supported by Bay Networks routers running IPX Table 2 1 LAN Circuit and Frame Support for IPX Interfaces Frame Type Frame Type Circuit Type Novell Terminology Bay Networks Terminology Ethernet ETHERNET_II ETHERNET ETHERNET_802 2 LSAP ETHERNET_802 3 NOVELL ETHERNET_SNAP SNAP TOKEN RING TOKEN RING LSAP TOKEN RING_SNAP SNAP FDDI N A LSAP SNAP Table 2 2 shows the relationships between the types of WAN circuits the WAN protocols and the frame formats supported by Bay Networks routers running IPX Table 2 2 WAN Circuit and Frame Support for IPX Interfaces Frame Type
205. same network and multiple servers of the same service type are available the router picks the server that is the fewest ticks away If two servers are the same number of ticks away then the router chooses the server that is the lowest number of hops away If two servers are the same number of ticks and hops away then the router chooses based on the alphanumeric order of the server names listed in the services table Client s RIP request The client then broadcasts a RIP request packet to the local segment This packet requests the best path to the server s network 5 70 114051 Rev A Customizing IPX Router s RIP response The router on the same network as the client refers to its route table and sends a RIP response to the client The RIP response identifies the network on which the client resides The RIP response also contains the server s internal network address and the intervening hop and tick count Client s NCP Request The client sends a Network Core Protocol NCP create connection request to the server The request includes the router s MAC address as the destination address at the data link layer Within the IPX header the destination network address is the internal address and the destination node address of the file server The client forwards the packet to the router Router forwards packet The router running IPX forwards the packet to the network identified by the destination network address Exam
206. sed by IPX but it can also speed learning time for the router Site Manager Destination Count parameter page A 16 Entering the Maximum Number of Services You can enter the maximum number of services for the router to learn IPX uses this value to preallocate table sizes for service tables If you specify zero the default value IPX automatically allocates the amount of memory it needs for the tables Changing this value can greatly affect the memory used by IPX but it can also speed learning time for the router Site Manager Service Count parameter page A 17 Specifying the Granularity for Aging RIP and SAP Information You can specify the granularity in seconds for aging RIP and SAP information IPX checks whether any routes have timed out every n seconds where n is the interval that this parameter specifies Site Manager Aging Frequency parameter page A 18 Specifying the Aging Pending Frequency You can specify the number of routes and services to age process before pending A higher number lets the aging process proceed more quickly Site Manager Aging Pending Frequency parameter page A 18 114051 Rev A 5 3 Configuring IPX Services Enabling IPX Default Routing You can globally enable or disable the use of the default route OxFFFFFFFE for IPX routing e Enable Directs the router to use the default route if one exists in its routing table when it receives
207. station support enables routable traffic generated in a source route bridge environment to be routed to workstations on remote LANs over a multiprotocol backbone The Bay Networks router running IPX lets you configure source route endstation support for Token Ring networks on each interface This allows bridging and routing to coexist in the same IBM source route bridging environment With endstation support enabled endstations that support both source route bridging and IPX can use source routing to traverse bridged networks In a source routing network every endstation supplies each frame it sends out with route descriptors so that it can be source routed across the network Thus for routers running IPX to route packets across a source routing network they must act like endstations supplying route descriptors within each packet before sending it onto the network All traffic is source route bridged within the local Token Ring environment Routable traffic intended for a destination on a LAN interconnected through a multiprotocol backbone is routed over the backbone by the Bay Networks node With endstation support enabled the Bay networks router running IPX does the following whenever it receives a packet and determines that the packet s next hop is across a source routing network e Sends out a Single Route Explorer SRE frame to discover a path to the next hop network e Adds the necessary Routing Information Field RIF information
208. t Hop A IPX Circuit N Outgoing e sequential frames gt CBA z o B IPX B E Circuit N c IPX c eaaa rere ee Circui t KRZ IPX0005A Figure 5 1 IPX Multipath Because the IPX interfaces have duplex functionality the router can also use multipath to collect frames received from separate IPX interfaces The router operates this cyclic mechanism at a bandwidth significantly greater than a single IPX interface and its supporting physical circuit can support The result is that IPX frames flow over multiple parallel LAN or WAN routes concurrently in effect aggregating the bandwidth supported by the parallel routes Each line shares 1 n of the total load where n is the number of equal cost parallel routes or paths to the destination network You set the maximum number of paths by means of the Maximum Path parameter Site Manager Maximum Path parameter page A 15 Any setting greater than 1 engages the multipath mechanism Figure 5 2 is an example of equal least cost parallel routes used in IPX multipath routing 114051 Rev A 5 5 Configuring IPX Services Network A Figure 5 2 Il
209. t configuration file refer to Quick Starting Routers Connecting AN and ANH Systems to a Network or Connecting ASN Routers to a Network Make sure that you are running the latest version of Bay Networks Site Manager and router software For instructions refer to Upgrading Routers from Version 7 10 xx to Version 11 0 Conventions angle brackets lt gt Indicate that you choose the text to enter based on the description inside the brackets Do not type the brackets when entering the command Example if command syntax is ping lt ip_address gt you enter ping 192 32 10 12 bold text Indicates text that you need to enter command names and buttons in menu paths Example Enter wism amp Example Use the dinfo command Example ATM DXI gt Interfaces gt PVCs identifies the PVCs button in the window that appears when you select the Interfaces option from the ATM DXI menu xviii 114051 Rev A brackets ellipsis points italic text quotation marks screen text separator gt vertical line I About This Guide Indicate optional elements You can choose none one or all of the options Horizontal and vertical ellipsis points indicate omitted information Indicates variable values in command syntax descriptions new terms file and directory names and book titles Indicate the title of a chapter or section within a book Indicates data that appears on the screen
210. ted with the IPX interface you are configuring Site Manager FR Multicast hex parameter page A 27 Responding to IPX Watchdog Packets You can enable or disable a router from responding locally to broadcast IPX watchdog packets on behalf of clients that use dial in connections You should enable local watchdog packet acknowledgment to reduce WAN costs by using dial on demand routing SPX Keep Alive Spoofing is introduced in version 11 0 and is enabled when Watchdog Spoofing is enabled Site Manager IPX Watchdog Spoofing parameter page A 28 Setting Delay Time You can specify the length of time in microseconds required to transmit 1 byte of data excluding protocol headers to a destination on the other end of this IPX circuit if the circuit is free of other traffic Site Manager Delay parameter page A 28 Specifying Throughput You can specify the amount of data in bits per second that can flow through an IPX circuit if the circuit is free of other traffic Site Manager Throughput parameter page A 29 114051 Rev A 5 11 Configuring IPX Services Setting Stabilization Timer Delay You can set the amount of time in seconds that RIP SAP waits before sending out initial route information when the circuit first becomes active The more routes that you expect a router to handle or the more dynamic the network is the higher you should set this value to allow the router en
211. ter in the same position in the string that makes up the server name 5 58 114051 Rev A Customizing IPX Using Pattern Matching with SAP Filters Table 5 1 You can also filter SAP packets by matching a filter pattern that you define as a regular expression using the characters shown in Table 5 1 The software compares this regular expression against a service name and returns an indication of whether it finds a match Functionally pattern matching on SAP filters is similar to the UNIX grep command Characters in SAP Pattern Matching Filters Filter Character Function C Matches any character except those listed below An ordinary character like a b 7 or q matches only itself Backslash The backslash is the escape character Use this to match a character that would otherwise have special meaning to the software The special characters that must be preceded by a backslash to match themselves are backslash period or dot left bracket question mark asterisk left brace left parenthesis right parenthesis vertical bar currency symbol Must be quoted only when it s the last character to be matched Any other quoted character following a backslash matches itself For example to match a backslash in a string include the following in the filter expression Dot or period Matches a single character Example SERVER Matches SERV
212. terface Specify Both if you want to filter both inbound and outbound packets 1 3 6 1 4 1 18 3 5 5 30 1 9 A 76 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Protocol Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Any Any Local Static SAP Applies this outbound filter only to services learned on the specified protocol when sending SAP updates This does not apply to inbound services Specify the protocol on which you want to apply the filter 1 3 6 1 4 1 18 3 5 5 30 1 11 Action Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Net Filter Advertise Accept Advertise Accept Suppress Specifies how to process any SAP advertisement that matches the SAP filter criteria you established in the Target Network and Target Service Type parameters Select Advertise Accept to enable the filter to allow advertisement or acceptance of services that match the filter criteria you established in the Target Network and Target Service Type parameters Select Suppress to configure the IPX router to drop SAP advertisements that match the SAP filter criteria you established in the Target Network and Target Service Type parameters 1 3 6 1 4 1 18 3 5 5 30 1 10 114051 Rev A A 77 Configuring IPX Services Para
213. tering Mode You can filter out specified types of log message For example the default setting Trace filters out trace messages Do not change the default value of this parameter unless you are an expert IPX user Changing the value of this parameter produces significant boxwide effects on memory allocation within the router and these changes can significantly affect router performance If you are qualified as an expert user enter a filtering mode that yields a level of performance most appropriate for network applications supported by this router Site Manager Log Filter parameter page A 15 Specifying the Number of Maximum Path Splits You can specify the maximum number of equal cost paths over which IPX will do load balancing to a particular destination For example if the maximum path splits is non zero and there are five equal cost routes to a destination IPX will distribute the packets over the five paths in a round robin fashion Site Manager Maximum Path Splits parameter page A 15 5 2 114051 Rev A Customizing IPX Specifying the Maximum Number of Destinations You can specify the maximum number of destinations networks for the router to learn IPX uses this value to preallocate table sizes for forwarding and network tables If you specify zero the default value IPX dynamically allocates the amount of memory it needs for the tables Changing this value can greatly affect the memory u
214. terval or 180 seconds Site Manager Age Multiplier parameter page A 36 Site Manager Update Interval sec parameter page A 36 Configuring RIP timers can reduce IPX RIP overhead and enhance bandwidth availability Furthermore you can eliminate periodic RIP advertisements by setting the configurable RIP timer to zero thus only RIP updates triggered by changes in the internetwork topology will be propagated To ensure proper RIP operation all configurable RIP timers must be set at equal advertisement intervals on all router interfaces attached to common IPX network segments Note While you can set configurable RIP timers on any Bay Networks router interface do not use them on LAN interfaces because IPX servers do not allow configuration of update timers with internal routers As a result IPX servers will by default purge RIP entries after 180 seconds if they have not received any updates within this 180 second period For example in Figure 5 4 if Router R1 is configured to issue periodic RIP advertisements every 240 seconds over Interface 1 and Router R2 is configured to issue advertisements per the IPX standard every 60 seconds over Interface 2 then Router R2 will purge RIP entries learned through Interface 2 every 180 seconds and reinstate them 60 seconds later when it receives a periodic RIP advertisement from Router R1 More critically Router R2 will issue triggered RIP updates through Interface 3 propaga
215. that is advertised in SAP packets by this router MIB Object ID 1 3 6 1 4 1 18 3 5 5 30 1 12 A 78 114051 Rev A IPX Parameters IPX Service Name Filter Configuration Parameters This section describes all parameters shown in the IPX Service Name Filter Configuration window pe arvien haa Filtar ConPigormtion OOOO Cancel Target Seryice Home Target Service Type hex Falter Priority Figure A 21 IPX Service Name Filter Configuration Window Parameter Target Server Name Path Configuration Manager gt Protocols gt IPX gt Static Filter Tables gt Service Name Filters Default None Options Any valid alphanumeric server name or one containing wildcard characters or a pattern matching regular expression Function This is the filter that you want to apply It can specify the name of the server to which you are applying the service name filter or it can be a filter containing a wildcard or a pattern regular expression to be matched See Using Wildcards with SAP Filters and Using Pattern Matching with SAP Filters for lists of these characters Instructions Enter a service name or filter pattern consisting of up to 48 alphanumeric characters optionally including wildcards or a regular expression pattern MIB Object ID 1 3 6 1 4 1 18 3 5 5 31 1 6 114051 Rev A A 79 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Parameter P
216. the MAC Address Select parameter to accommodate IPX configuration requirements can affect other protocol interfaces for example LNM Servers or IP configured on the same circuit s with IPX If necessary make adjustments to the parameter settings of any such non IPX interfaces configured on the router If you choose the CNFG option of the MAC Address Select parameter you must subsequently enter a valid MAC address in the MAC Address Override parameter You must repeat this procedure on any Token Ring circuit for which you choose CNFG user configured as the source for the MAC address assigned to the individual physical circuit For instructions on how to set the MAC Address Select and MAC Address Override parameters see Configuring Line Services Customizing IPX After selecting a circuit and configuring the associated LAN parameters your circuit will be operational The default values set by the Site Manager for the remaining parameters will apply to most environments However if you want to configure a circuit in a particular way refer to Chapter 5 114051 Rev A 3 9 Chapter 4 Customizing IPX for WAN Media You can use IPX services over either a LAN or a WAN This chapter discusses issues related specifically to customizing IPX for use over a WAN For information specific to using IPX over a LAN refer to Chapter 3 For information on how to customize IPX features for use on both a LAN and a WAN refer to Chapter 5 IPX
217. ticast parameter page A 43 Saving the Service Name By default a router will save all 48 bytes in the service name field of SAP packets If you set this parameter value to No a router will ignore all characters after the null character when a service field name is less than 48 bytes Site Manager Save Full Name parameter page A 44 114051 Rev A 5 27 Configuring IPX Services Transmitting and Receiving SAP Updates Over the Same Interface The IPX router by default transmits SAP updates received from the interface over that same interface If you disable the Split Horizon parameter the router will transmit SAP updates received from one interface but will transmit them using routes on a different interface Refer to the Configurable Split Horizon section on page 5 20 for more information about setting the Split Horizon parameter Site Manager Split Horizon parameter page A 44 Updating Routers About a Failed Service By default when a circuit goes down on a router the router immediately propagates this status change to other routers in the internetwork This facilitates network traffic by letting routers know immediately about new or failed routes When you disable the Immediate SAP Update parameter other routers learn about such changes only at the next periodic update interval Site Manager Immediate Update parameter page A 45 Using Static Services When you statically con
218. tick 1 18 of a second Hops The number of router hops a packet must traverse to reach another network segment If you accept the default Tick and the router knows about two paths to a network and both paths have equal tick values the router chooses the path with the smallest number of hops If you select Hop and the best route results in the same number of hops the router makes its decision based only on hops Choose the method that results in the best routing performance Usually the best route is the one with The lowest number of ticks for a packet to reach a node on the destination network The lowest number of hops if multiple routes exist with equal numbers of ticks for a packet to reach a node on the destination network If routes exist with equal numbers of ticks and hops choose either method We recommend using the default tick based method because tick based routing takes into account actual link delay in determining the best path between IPX networks Thus it provides a more accurate routing mechanism than simply hop count 1 3 6 1 4 1 18 3 5 5 16 1 3 A 14 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Maximum Path Configuration Manager gt Protoc
219. ting of 0 for the tick cost of static routes means use the tick count associated with the interface Site Manager Ticks parameter page A 55 Using Route Filters You can shield the view of networks from users on different network segments by configuring route filters Route filters give you greater control over the routing of IPX packets from one area of an IPX internetwork to another This helps maximize the use of the available bandwidth throughout the IPX internetwork and helps improve network security by shielding a user s view of other networks You can configure inbound or outbound route filters on a per interface basis instructing the interface to advertise accept or drop filtered RIP packets The action parameter that you define for the filter determines whether the router advertises accepts or suppresses RIP packets from routers that match the filter pattern IPX route filters uses the network number field in the IPX RIP packet Network filtering is based on a two part definition filter ID and a corresponding mask A route filter can be inbound outbound or both You can define filters by network address or by a range of network addresses The filter ID and the mask definition work together to determine which addresses are filtered on the interface The character F in the mask definition requires an exact match with the corresponding character in the filter ID The mask character 0 matches any hexadecimal ch
220. ting these unnecessary changes throughout the internetwork behind Router R2 Setting the configurable RIP timers at 240 seconds on both Interface 1 on Router R1 and Interface 2 on Router R2 ensures proper RIP operation because RIP entries are not purged unless an update for a particular entry is not received within a 720 second interval 3 240 seconds 5 18 114051 Rev A Customizing IPX Interface 1 Interface 3 RIP Update RIP Update every 240 seconds every 60 seconds ES 1 _ R1 R2 ee Network A S Network B am y IPX Server Interface 2 RIP Update every 240 seconds IPX0004A Figure 5 4 IPX Configurable RIP Timers Taking into account the fact that IPX Server ES1 with an internal router on Network B expects periodic RIP advertisements every 60 seconds Router R2 continues to issue RIP advertisements out its LAN interface Interface 3 per the IPX specification reconciling the fact that periodic RIP advertisements through Interface 1 are received every 240 seconds Should you decide to disable the periodic transmission of RIP updates RIP immediate one time update packets still propagate through the network in compliance with Novell standards The combination of the update interval and age multiplier should be the same for all systems on a network segment Adjusting the RIP Pac
221. to reduce call initiation by various IPX packets These filters prevent IPX Watchdog packets SPX Keep Alive packets and IPX Serialization packets from initiating calls or resetting the inactivity timer on IPX demand circuits 5 46 114051 Rev A Customizing IPX Enabling or disabling dial optimized routing on an IPX circuit changes the default values of the Stabilization Timer Delay to 120 seconds and RIP SAP Update Interval to 3600 seconds If dial optimized routing is enabled after configuring IPX on a circuit go back and set Stabilization Timer Delay to 120 seconds and RIP SAP Update Interval to 3600 seconds Also if you disable dial optimized routing go back and change the Stabilization Timer Delay and RIP SAP Update Interval parameters to the original default value Site Manager Stabilization Timer Delay secs parameter page A 28 Site Manager Update Interval sec parameter page A 36 Site Manager Update Interval sec parameter page A 42 Configuring the Routing Update Delay Timer You can use Site Manager to define the amount of time to delay the sending of RIP SAP updates on a circuit after the circuit has been enabled Generally the more routes that a router is expected to handle or the more dynamic the network is the higher the value you should set from 0 to 60 seconds This timer prevents the router from dialing the remote site multiple times each time after it collects a subset of routes If dial optimiz
222. to the packet s MAC header e Sends the packet to the network where it is source routed toward the next hop 114051 Rev A 5 67 Configuring IPX Services After the peer router receives the packet from the Token Ring network it strips off the RIF field and continues to route the packet toward the destination network address as shown in Figure 5 16 Token Ring Dies Token Ring IPX Bridge A Router 1 WF2 WF1 0830 001A002B 0030 LLC IPX HAL IH oy Bridge B WF2 WF1 LLC IPX DATA Packet sent from ES1 Token Ring IPX Router 2 m S2 DATA Packet sent from Router 1 WF2 WF1 LLC IPX DATA Packet sent from Router 2 IPXO019A Figure 5 16 IPX Routers Source Routing Across a Token Ring Network You configure source route endstation support on each interface by setting the TR End Station parameter to Enable Site Manager TR End Station parameter page A 25 5 68 114051 Rev A Customizing IPX The transition to network layer routing outside the source route bridge environment can improve overall network performance by reducing source route bridge overhead on a WAN and can maximize network availability by rapidly rerouting around a failed link IPX Ping Support The Bay Networks Site Manage
223. ts when you configure an IPX interface You must then configure static routes that use the adjacent hosts to reach next hop routers Refer to the descriptions of adjacent hosts and static routes in this chapter for more information on these features Site Manager Enable parameter page A 35 Choosing the Routing Method You can specify a method for making IPX best route decisions for all slots based on time delays ticks incurred or hops encountered for packet delivery The router can assess the time delay in one of the following ways 5 14 114051 Rev A Customizing IPX e Number of RIP timer ticks the amount of time expressed in ticks that a packet requires to reach another network segment Each RIP timer tick equals about 1 18 of a second The maximum configurable number of ticks is 65 534 ticks multiplied by 1 1 8 of a second 3600 seconds or 60 minutes e Number of hops the number of router hops a packet must traverse to reach a network segment The maximum number of hops is 15 We recommend using the default tick based method Note that every node on the network must use the same routing method Site Manager Routing Method parameter page A 14 Setting a Cost for an Interface You can set the cost number of ticks or hops for an interface The value you enter depends on whether you selected hops or ticks for the RIP Method parameter By configuring an interface s cost
224. twork applications supported by this router 1 3 6 1 4 1 18 3 5 5 16 1 17 A 16 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID IPX Parameters Service Count Configuration Manager gt Protocols gt IPX gt Global gt Advanced 1 service 1 to 5000 services Indicates the maximum number of services that the user expects the router to learn IPX uses this value to preallocate table sizes for service tables If you specify zero the default value IPX automatically allocates the amount of memory it needs for the tables Changing this value can greatly affect the memory use by IPX but it can also speed learning time for the router Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router 1 3 6 1 4 1 18 3 5 5 16 1 19 Host Count Configuration Manager gt Protocols gt IPX gt Global gt Advanced 1 host 1 to 5000 hosts Indicates the maximum next hop hosts that the user expects the router to learn IPX uses this value to preallocate table sizes for host tables
225. twork number for each node requiring one or more IPXWAN RFC1634 compliant interfaces This network number must be unique across the IPX network Do not enter a number that a server is using as an internal network number or a number that has been assigned on any segment in the network All unused values between 0x00000001 and OxXFFFFFFFD are valid values 1 3 6 1 4 1 18 3 5 5 15 1 5 A 12 114051 Rev A IPX Parameters IPX Advanced Global Parameters IPX advanced global parameters enable you to fine tune the way IPX runs on the router You access these parameters via the Edit IPX Advanced Global Parameters window Figure A 4 To view all of the parameters in this window you must click on the scroll bar Edit JPR Geenced Globe Faremsterz Cancel Routing Method Dici Hasim Path i Log Filter DEBUG INFO TRACE Meio Path Soli te 1 Maxim Hopa i lestinstiom Count Service Court Host Count Aging Frequency Aging Pending Preguen Figure A 4 IPX Advanced Global Parameters Window 114051 Rev A A 13 Configuring IPX Services Parameter Path Default Options Function Instructions MIB Object ID Routing Method Configuration Manager gt Protocols gt IPX gt Global gt Advanced Tick Hop Tick Specifies for all slots the method of making IPX best route decisions by Ticks The amount of time expressed in ticks that a packet requires to reach another network segment Each
226. ues and begin sending packets over the network If you have a special configuration use the information in this chapter to customize the following groups of parameters e Advanced global parameters e Interface parameters e Routing Information Protocol RIP parameters e Service Advertisement Protocol SAP parameters e Static service parameters e NetBIOS static routing parameters e Adjacent host parameters e Dial on Demand parameters e Dial optimized routing parameters e Static route parameters e Route filter parameters e SAP filter parameters e Service name filter parameters e Source route bridge endstation support 114051 Rev A 5 1 Configuring IPX Services Customizing Advanced Global Parameters Any IPX interface you add to a physical circuit inherits a default set of IPX parameter values from the global slotwide IPX process You can customize the parameters that affect all interfaces by modifying the values of the Advanced Global Parameters found on the IPX Advanced Global window Setting the Maximum Number of Paths Specify the maximum number of paths allowed for a given network destination and routing method Multiple paths to a given destination uses more memory than single paths but gives you redundancy Specifying multiple paths allows you to do load balancing see Specifying the Number of Maximum Path Splits below Site Manager Maximum Path parameter page A 15 Selecting a Log Fil
227. urce and destination addresses Once a path has been established for a given address pair subsequent packets will follow the same path This ensures that packets will be received in the order in which they were sent This is essential for protocols that cannot tolerate receiving packets out of order 114051 Rev A 5 7 Configuring IPX Services Random data path selection determines the path a packet traverses based on a randomly assigned number that corresponds to a particular data path of the multiline circuit This algorithm avoids congestion by providing even distribution across multiple data paths Unlike address based selection random data path selection does not guarantee the sequence of packets as they are received at their destination Consequently random data path selection is intended for use with protocols whose upper layers provide resequencing techniques Note For Bay Networks software Version 7 60 and later support of multiline circuits is compatible with the Version 5 x Circuit Groups feature except that Version 7 60 and later software does not support LAN media multiline circuits grouping Multiline circuits can be configured using only synchronous interfaces data paths including HSSI All data paths must incorporate the same encapsulation method Maximum Transfer Unit MTU and effective bandwidth The differences between multiline circuits and IPX multipath are the following e Multiline circuits operat
228. uter 1 3 6 1 4 1 18 3 5 5 16 1 23 Aging Pending Frequency Configuration Manager gt Protocols gt IPX gt Global gt Advanced 100 routes and services 1 to maximum positive integer routes and services Specifies the number of routes and services to age process before pending A higher number lets the aging process proceed more quickly Do not change the default value of this parameter unless you are an expert IPX user for example a Bay Networks Technical Response Center engineer Changing the value of this parameter can significantly affect router performance If you are qualified as an expert user enter a value that yields a level of performance most appropriate for network applications supported by this router 1 3 6 1 4 1 18 3 5 5 16 1 24 A 18 114051 Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID IPX Parameters Default Route Configuration Manager gt Protocols gt IPX gt Global gt Advanced Enable Enable Disable Globally enables or disables the use of the default route OXFFFFFFFE for IPX routing Enable Directs the router to use the default route if one exists in its routing table when it receives an IPX packet that does not contain a known IPX destination address within the IPX protocol header Disable Forces the router to drop a packet whose destination
229. ver either explicitly or implicitly except by acceptance of an order for either Software or for a Bay Networks product Equipment that is packaged with Software Each such license is subject to the following restrictions 1 Upon delivery of the Software Bay Networks grants to licensee a personal nontransferable nonexclusive license to use the Software with the Equipment with which or for which it was originally acquired including use at any of licensee s facilities to which the Equipment may be transferred for the useful life of the Equipment unless earlier terminated by default or cancellation Use of the Software shall be limited to such Equipment and to such facility Software which is licensed for use on hardware not offered by Bay Networks is not subject to restricted use on any Equipment however unless otherwise specified on the Documentation each licensed copy of such Software may only be installed on one hardware item at any time Licensee may use the Software with backup Equipment only if the Equipment with which or for which it was acquired is inoperative Licensee may make a single copy of the Software but not firmware for safekeeping archives or backup purposes Licensee may modify Software but not firmware or combine it with other software subject to the provision that those portions of the resulting software which incorporate Software are subject to the restrictions of this license Licensee shall not make t
230. which you want to apply the filter the filter ID in the previous example Instructions Enter the address of the target network in hexadecimal format Using a mask you can make this stand for a single ID or for a range of IDs with similar addresses You can select all IDs by entering the wildcard value OXFFFFFFF MIB Object ID 1 3 6 1 4 1 18 3 5 5 29 1 6 A 64 114051 Rev A Parameter Path Default Range Function Instructions MIB Object ID Parameter Path Default Range Function Instructions MIB Object ID IPX Parameters Target Network Mask hex Configuration Manager gt Protocols gt IPX gt Static Filter Table gt Route Filter gt Add None 0x00000000 to OxFFFFFFFF Specifies the mask that you want to apply Enter 8 hexadecimal characters The character F in the mask definition requires an exact match with the corresponding character in the filter ID The mask character 0 matches any alphanumeric character You can combine the F and 0 characters in any order in the mask to filter any combination of network addressing schemes used within the IPX internetwork 1 3 6 1 4 1 18 3 5 5 29 1 7 Filter Priority Configuration Manager gt Protocols gt IPX gt Static Filter Table gt Route Filter gt Add None 0 to the maximum positive integer Specifies the priority of this filter in relation to other filters of the same type Enter a decimal value that indicates this filter s pri
231. workG uci inna aaa cds 5 21 Updating Routers About a Failed Route ec ccccccseeeeeeeneeeeeeeeenaeeeeesenaeeeeeeeeeas 5 23 Advertising Default Routes in RIP Packets idee aaa ane E 5 23 Aoceoting Delaukt Route IMONE seian aa 5 23 CUS IRINA SN SAF PUIG OVS miaii a aeiiae kA RNAi 5 23 NetWare Directory Services NDS and SAP ccccccccceeeeeeeeeeteeeeeeenaeeeeeeeaas 5 24 SAP and the NetWare Bindery NetWare 3 x and Earlier ceceeeeeeeeee 5 24 Ponta SAF TINEIS poijaat nd a ei 5 25 SAP ya Dorat ROUTE sirsenis a aa Eiai 5 26 Enabling SAP Listen and Supply Functions 00 cccessceeseeeeeeneeeeeeeeeeeaeeeeeeeeeeens 5 26 Determining ihe Pace Of SAP PACKOIS narima irei aia 5 26 Adiusing the SAP Packi SIZ6 sficuinciiedaniweecda ieee 5 27 Responding to Nearest Server Requests 2 ccecccceeeeseeeeeeeeeeeaeseeeeeeeeaeeeeeneeeeaas 5 27 Using a Multicast Address PEEN EE EE E E E E EA oR 5 27 Saving HE eC NAMIE aoaiina NANENANE 5 27 Transmitting and Receiving SAP Updates Over the Same Interface 06 5 28 Updating Routers About a Failed Service siinsesse 5 28 viii 114051 Rev A Uang satel IOS ano A AN 5 28 Enabling Stale IS iirinn iea aidai ATAA 5 31 Specifying the Network Address of a Service cccceceeeeeeeeceeeeeeeeeeeeeeeeeeenaeeeseaees 5 32 Specifying the Address of the Host that Provides a Service ccccceceessteeeeeees 5 32 Assigning a Symbolic Name to Your Servic
232. x00000008 RIP 0x00000010 Unnumbered RIP 0x00000018 RIP and Unnumbered RIP 1 3 6 1 4 1 18 3 5 5 17 1 8 A 6 114051 Rev A IPX Parameters IPXWAN Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID The IPX configuration parameters enable you to get IPX using IPXWAN services up and running quickly by supplying only the necessary configuration information and accepting the defaults supplied by Bay Networks for all other Site Manager parameters You access these parameters via the IPXWAN Configuration window Figure A 1 This window appears after you enable IPXWAN services in the IPX Configuration window Router Home Primary Het Auber hexi Figure A 2 IPXWAN Configuration Window Router Name Configuration Manager gt Select Protocols gt IPX gt Enable IPXWAN None Any valid NetWare router or server name Specifies a symbolic name for the router Any IPXWAN RFC1634 compliant interface in the node uses this name to identify itself to the IPX router or server at the opposite end of the WAN data link The symbolic name for the router must be unique among those assigned to IPX file servers and routers anywhere in the IPX internetwork See the documentation that came with your NetWare operating system for guidelines on specifying a router or server name It s a good idea to make the name meaningful to users as well as routers 1 3 6 1 4 1 18 3 5 5 15 1 9 1
233. y a symbolic name for an interface on a server For example first_floor_printer Site Manager Name parameter page A 22 Assigning a Host Number to an Interface If you enable Multiple Host Address Enable and want to accept the PROM based default setting for the MAC Address Select circuit parameter this IPX interface adopts a host number based on the MAC address of the underlying circuit In this case a PROM on the circuit supplies the number for the MAC address of the circuit and the host number of the interface You can enter a host number for this interface when e Multiple Host Addressing is enabled e You do not want to accept the PROM based default setting for MAC Address Select e The circuit type supports only selective mode of operation such as with Ethernet circuits 114051 Rev A 5 9 Configuring IPX Services If you enter a host number the circuit adopts that value as the MAC address at which this interface can receive frames The MAC address configured at the circuit line level remains effective for all other interfaces configured on the same circuit Site Manager Host Number hex parameter page A 24 Enabling Source Routing for an Interface on a Token Ring Circuit You can enable or disable source routing for an interface on a Token Ring circuit Site Manager TR End Station parameter page A 25 Entering a Broadcast Address You can enter a WAN broadcast address
234. y data includes severity designation and telephone e mail or other logs associated with the case e Customize the listing of cases according to a variety of criteria including date severity status and case ID e Log notes to existing open cases e Create new cases for rapid efficient handling of noncritical network situations e Communicate directly via e mail with the specific technical resources assigned to your case The Bay Networks URL is http www baynetworks com Customer Service is a menu item on that home page Customer Service FTP Accessible via URL ftp support baynetworks com 134 177 3 26 this site combines and organizes support files and documentation from across the Bay Networks product suite including switching products from our Centillion and Xylogics business units Central management and sponsorship of this FTP site lets you quickly locate information on any of your Bay Networks products 114051 Rev A XXV Configuring IPX Services Support Source CD This CD ROM sent quarterly to all contracted customers is a complete Bay Networks Service troubleshooting knowledge database with an intelligent text search engine The Support Source CD contains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete informatio
235. y of packets Higher level protocols assume the responsibility for reliability The higher level protocols that IPX uses are SPX and NCP e It uses the Internet Data Packet IDP format IPX is the network layer routing protocol used in the NetWare environment The primary tasks of IPX are addressing routing and switching information packets from one location to another on a network The network interface card NIC in a client provides network node addressing IPX defines the internetwork and intranode addressing as follows e Network numbers form the basis of the IPX internetwork addressing scheme for sending packets between network segments Every network segment of an internetwork is assigned a unique network address by which routers forward packets to their final destination network A network number in the NetWare environment consists of 8 hexadecimal characters In the following example Ox indicates that this is a hexadecimal number and n is any hexadecimal character Oxnnnnnnnn Socket numbers are the basis for an IPX intranode address that is the address of individual entities within a node They allow a process for example RIP or SAP to distinguish itself to IPX To be able to communicate on the network the process must request a socket number Any packets IPX receives addressed to that socket are then passed on to the process within the node 2 2 114051 Rev A IPX Concepts Network Level Services A Bay Network
236. you can select the route you want to use rather than letting the router select the route For example two routes go to the same destination Route A has a tick cost of 2 Route B has a tick cost of 3 Because Route A has the lower tick cost the router selects it as the best route to the destination If you want traffic to go over Route B you can set the tick cost of Route A to 4 which then forces traffic to go over Route B Using configurable RIP interface tick values IPX routing decisions can be based on tick values that you define This allows the implementation of tick based routing over non IPX WAN links for example HDLC encapsulation letting you optimize IPX network performance In Figure 5 3 for example traffic generated by End System 1 ES1 on Network A is directed to the IPX Server ES2 on Network B over Interface 2 route of least tick delay per RIP specification However other protocols such as IP AppleTalk and OSI will most likely select this route as the least cost path between Network A and Network B as well Consequently traffic congestion over this route may preclude it from being the most efficient path between these two network segments 114051 Rev A 5 15 Configuring IPX Services By implementing the Configurable RIP Interface Tick parameter Interface 1 on Router 1 can be assigned a lower tick value than Interface 2 so that IPX traffic is routed through Interface 1 This lets you maximize IPX int

Avaya Configuring IPX Services User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents