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Avaya Configuring IP Multicasting Services User's Manual

1. You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Route Enable parameter Click on Help or see the parameter description on page A 7 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 23 Configuring IP Multicasting and Multimedia Services Calculating a Route Metric and Comparing Route Costs By default a circuit has a cost of 1 Bay Networks recommends the following values Hop Metric LAN or tunnel across a single LAN 1 Multihop tunnel 2or3 Serial link or tunnel across a serial link 1 Backup tunnel Primary tunnel metric 1 You can use Site Manager to assign a cost from 1 to 31 Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose IP The IP menu opens Choose Multicast The Multicast menu opens Choose DVMRP The DVMRP menu opens ay r o p Choose Circuit The DVMRP Circuit Parameters window opens Set the Metric parameter Click on Help or see the parameter description on page A 8 Click on A
2. You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Dynamic TTL parameter Click on Help or see the parameter description on page A 31 6 Click on OK You return to the Configuration Manager window 5 8 117355 A Rev A Customizing OSPF Multicast Extensions Configuring Multicast Forwarding on an OSPF Interface By default multicast packets are forwarded on an OSPF interface You can use Site Manager to configure OSPF forwarding on the interface as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Interfaces The Edit OSPF Interfaces window opens 5 Set the Multicast Forwarding parameter Click on Help or see the parameter description on page A 32 6 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 5 9 Chapter 6 Configuring QOSPF QOSPF is an extension of OSPF that works in conjunction with RSVP to provide quality of service for multicast data flows For OSPF the best path is the path with the least metric co
3. 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Enable parameter Click on Help or see the parameter description on page A 2 7 Click on Save You return to the Configuration Manager window 117355 A Rev A Configuring IP Multicasting and Multimedia Services Setting the Update Interval Periodically each multicasting router issues full or partial routing information on each DVMRP circuit using DVMRP report messages This routing information represents the sending router s cost to reach the specified network The cost is the sum of the hop metrics along the shortest path to the given source network You can use Site Manager to Specify how often routing messages containing complete routing tables are sent Specify the minimum amount of time between triggered updates Triggered updates are sent when routing information changes Issuing a full update restarts the triggered update timer Therefore the triggered update interval you specify must be shorter than the full update interval you set Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The D
4. You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Pruning Enable parameter Click on Help or see the parameter description on page A 6 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 4 11 Configuring IP Multicasting and Multimedia Services Configuring DVMRP Timers When a router adds or updates a route it uses configurable timers to control the useful life of the route Note DVMRP timers must be the same throughout the network Setting the Route Expiration Timer The route expiration timer determines how long DVMRP waits for an update message indicating that a route is reachable Upon expiration of this timer this route is advertised as unreachable until it is refreshed or until it is garbaged By default DVMRP sets the route expiration time at 200 seconds You can use Site Manager to set the route expiration time from 20 to 4000 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu o
5. 1 Receive a multicast datagram and determine if the datagram has arrived on the interface that is on the shortest path to the source network 2 Drop the datagram if it has not arrived on the shortest path interface 3 Flood the multicast datagram to all active downstream DVMRP neighbors 4 6 117355 A Rev A Customizing DVMRP Shortest Path Trees Route information used by DVMRP is independent of any other routing information used by the router for example routes provided by RIP The purpose of this routing information is to create a shortest path tree entry in the routing table for the propagation of multicast datagrams The shortest path tree entry indicates the interface that provides the shortest path to the network that is the source of the multicast datagram In Figure 4 1 on page 4 3 for example the routing table on Router D includes an entry describing the shortest path route to the network connected to Router A The entry indicates that Interface d1 provides the shortest path to that source network A shortest path tree also indicates those interfaces that are on the shortest path to that source network from a neighboring router Router E considers the network connecting it to Router D to be on the shortest path to the source network connected to router A Router D has an interface d3 that is part of the shortest path from Router E from the network connected to Router A If neighboring routers have the same me
6. 117355 A Rev A 4 13 Configuring IP Multicasting and Multimedia Services Setting the Neighbor Report Timer The neighbor report timer specifies how long the router waits to receive a report from a neighbor before considering the connection inactive By default DVMRP waits 140 seconds You can use Site Manager to specify a value from 40 to 8000 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Neighbor Timeout parameter Click on Help or see the parameter description on page A 3 7 Click on Save You return to the Configuration Manager window 4 14 117355 A Rev A Customizing DVMRP Setting the Leaf Timer The leaf timer determines whether or not a network or tunnel local to a given interface is considered to be part of the shortest path to a given source network by any DVMRP neighbor If during this time the local interface has not received a route report for a given source network this network or tunnel and its local interface are considered not to lie in the shortest path for any neighbor In other words the local network is not part of the shortest path to that specific source network
7. Configuring IP Multicasting and Multimedia Services BayRS Version 12 00 Site Manager Software Version 6 00 Part No 117355 A Rev A September 1997 Bay Networks Bay Networks 4401 Great America Parkway 8 Federal Street Santa Clara CA 95054 Billerica MA 01821 Copyright 1997 Bay Networks Inc All rights reserved Printed in the USA September 1997 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 Trademarks ACE AFN AN BCN BLN BN BNX CN FN FRE GAME LN PPX and Bay Networks are registered trademarks and Advanced Remote Node ANH ARN ASN BayeSIS BayStack BayStream BCNX BLNX IP AutoLearn SN SPEX Switch Node System 5000 Bay Networks Press and the Bay Networks logo are trademarks of Bay Networks Inc All other trademarks and registered trademarks are the property of their respective owners Restricted Rights Legend Use
8. Group Address e Prefix Length e Circuit Name Click on Help or see the parameter descriptions beginning on page A 17 7 Click on Apply and then click on Done You return to the Configuration Manager window 3 20 117355 A Rev A Chapter 4 Customizing DVMRP This chapter describes the Distance Vector Multicast Routing Protocol DVMRP Topic Page DVMRP Concepts and Terminology 4 2 Customizing DVMRP Globally 4 8 Customizing DVMRP on a Circuit 4 22 Configuring a Tunnel 4 33 117355 A Rev A 4 1 Configuring IP Multicasting and Multimedia Services DVMRP Concepts and Terminology DVMRYP is a multicasting protocol that provides a mechanism for routers to propagate multicast datagrams in a manner that minimizes the number of excess copies sent to any particular network This section covers the following topics Topic Page Neighbor Connections 4 2 Source Route Advertisements 4 4 How DVMRP Chooses a Route 4 5 Routing Table 4 6 Shortest Path Trees 4 7 Neighbor Connections In a DVMRP environment neighbors are multicasting routers that are connected directly or through a tunnel e Directly connected neighbors are routers that have an interface to the same network e Tunnel connected neighbors are multicast routers that communicate through a unicast network exchanging DVRMP messages that are encapsulated in IP datagrams
9. Setting the Gaag MME as iisdmicdetwtit antes renee ae unas 4 13 Setting the Neighbor Report TIMET ci soscsccses cscesusser nae cenccninusascaimonseanocae 4 14 SEUNG ihe Leaf TIED cc derietinetcisendien caste titi te iouede 4 15 IOC NURI a Probe WEIRD edie patie care ceceet dae sistas tate a 4 16 Specifying a Route Switch Interval 08 E E apn 4 17 ES tierce e Number o ROES cats dais cance decosattaczaniaedasiecisashienmscebiaceesdededeseeanne 4 18 Logging Debuggma NESE ADSS sciri eaaa Asra NASUA AA NARE ANN 4 19 Specifying the Maximum Number of Routes sveiti esisi e a ra P 4 20 Enabling and Disabling Routing Polcies sssionisirsisniinndn ened 4 21 Uli PTA DYMAF n A GOUE cirina R 4 22 Disabling and Reenabling DVMRP on a Circuit a ssoeeeeeseseeesreessressresserssesrressrens 4 22 Disabling Multicast Support on a Unicast Tunnel ssssssesseseseeessnessseesserssressressrens 4 23 Calculating a Route Metric and Comparing Route Costs stapes re a 4 24 Specio a TESNO ai a E er errr es 4 25 COMMING A Forwarding TADE vissri iseanan diini ian 4 27 Disabling Advertisement of Local Networks esseere PEPEE 4 29 Advorisingd a Delal ROUS santenennonenin i 4 30 Lisienmng or a Deilt ROUE ye once ssc ncales cans sSoaiarniencapheadeecradabdarndcann sien AEREE 4 31 Accepting a Report from a Nonstandard DVMRP Neighbor ccccesseeeeeeees 4 32 Ses ica Tr ce ee ME Meee ree ene ner pe mtr ener A E ty eres revere eet
10. media access unit media dependent interface with crossover nonbroadcast multi access 117355 A Rev A xvii Configuring IP Multicasting and Multimedia Services OSI Open Systems Interconnection OSPF Open Shortest Path First Protocol PPP Point to Point Protocol SMDS switched multimegabit data service SNMP Simple Network Management Protocol STP shielded twisted pair TCP IP Transmission Control Protocol Internet Protocol Telnet Telecommunication Network TFTP Trivial File Transfer Protocol TPE twisted pair Ethernet UTP unshielded twisted pair WAN wide area network Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publications order by part number from Bay Networks Press at the following numbers e Phone U S Canada 888 422 9773 e Phone International 510 490 4752 e FAX U S Canada and International 510 498 2609 The Bay Networks Press catalog is available on the World Wide Web at support baynetworks com Library GenMisc Bay Networks publications are available on the World Wide Web at support baynetworks com Library tpubs xviii 117355 A Rev A Bay Networks Customer Service About This Guide You can purchase a support contract from your Bay Networks distributor or authorized reseller or directly from Bay Networks Services For information about or to purchase a Bay Networks service contract either call your local Bay Networks field sales o
11. 1 ii of the Rights in Technical Data and Computer Software clause of DFARS 252 227 7013 for agencies of the Department of Defense or their successors whichever is applicable 6 Use of Software in the European Community This provision applies to all Software acquired for use within the European Community If Licensee uses the Software within a country in the European Community the Software Directive enacted by the Council of European Communities Directive dated 14 May 1991 will apply to the examination of the Software to facilitate interoperability Licensee agrees to notify Bay Networks of any such intended examination of the Software and may procure support and assistance from Bay Networks 7 Term and termination This license is effective until terminated however all of the restrictions with respect to Bay Networks copyright in the Software and user manuals will cease being effective at the date of expiration of the Bay Networks copyright those restrictions relating to use and disclosure of Bay Networks confidential information shall continue in effect Licensee may terminate this license at any time The license will automatically terminate if Licensee fails to comply with any of the terms and conditions of the license Upon termination for any reason Licensee will immediately destroy or return to Bay Networks the Software user manuals and all copies Bay Networks is not liable to Licensee for damages in any form solely by reason of
12. A XV Configuring IP Multicasting and Multimedia Services Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router see the installation manual that came with your router e Connect the router to the network and create a pilot configuration file see Quick Starting Routers Configuring BayStack Remote Access 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 see Upgrading Routers from Version 7 11 xx to Version 12 00 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 brackets Indicate optional elements You can choose none one or all of the options ellipsis points Horizontal and vertical ellipsis points indicate omitted information italic text Indicates variable values in command syntax descriptions new te
13. By default DVMRP sets the leaf timer at 200 seconds You can use Site Manager to specify a value from 25 to 4000 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Leaf Timeout parameter Click on Help or see the parameter description on page A 3 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 4 15 Configuring IP Multicasting and Multimedia Services Specifying a Probe Interval The probe interval determines how often DVMRP sends a probe on interfaces from which no neighbors have been heard By default DVMRP sends a probe every 10 seconds You can use Site Manager to specify a value from 5 to 30 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose IP The IP menu opens Choose Multicast The Multicast menu opens Choose DVMRP The DVMRP menu opens ay r o ry Choose Global The DVMRP Global Configuration window opens Set the Neighbor Probe Interval parameter Click on Help or see the parameter de
14. Disable Enable Disable Indicates whether IGMP should send an immediate response in the form of a query to the group associated with this IGMP membership report Set this parameter as required 1 3 6 1 4 1 18 3 5 3 13 1 7 Forward Cache Limit Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global 512 64 to 65535 Specifies the maximum number of MTM forwarding cache errors Set this parameter as required 1 3 6 1 4 1 18 3 5 3 13 1 8 IGMP Static Host Parameters Parameter Path Default Options Function Instructions MIB Object ID Circuit Name Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global None A circuit number Specifies the circuit number for the local network on which the group member resides Use the Static Group parameters to manually register the network on which the multicast group member resides 1 3 6 1 4 1 18 3 5 3 13 4 1 2 117355 A Rev A Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Static Group Address Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global None A multicast address Specifies the multicast address for the group of which the host is a member Use the Static Group parameters to manually register the network
15. For point to point lines you can usually enter the total line speed For an Ethernet line you must estimate a value because shared media lines may not have all of the bandwidth available You can base the estimate on line statistics the number of connected workstations or other site specific information 1 3 6 1 4 1 18 3 5 16 2 1 3 1 3 A 22 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Reservable Bandwidth XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 0 to 214748364 b s Specifies the reservable bandwidth for this line To enable reservable resources enter the portion of this line s bandwidth that you want to make available for RSVP requests for guaranteed service The value must be greater than 0 and less than the value of the Estimated Bandwidth parameter Do not make all available bandwidth reservable leave at least 15 percent for network management and routing protocols 1 3 6 1 4 1 18 3 5 16 2 1 3 1 4 Traffic Queuing Algorithm Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources None None Priority Specifies the queuing algorithm for all reserved traffic Select None to use
16. 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 IP gt Multicast gt DVMRP gt Tunnel Enable Enable Disable Enables or disables this tunnel interface If you have configured this tunnel specify Disable to disable the tunnel 1 3 6 1 4 1 18 3 5 3 12 3 1 2 Encapsulation Mode Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel IP Datagram IP Datagram LSSR Option Specifies whether tunneled datagrams are encapsulated within an IP datagram or loosely encapsulated using the LSSR option See RFC 1075 for information about the LSSR option which is provided for backward compatibility 1 3 6 1 4 1 18 3 5 3 12 3 1 6 Metric Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel 1 1 to 31 Specifies the cost of this tunnel Determine the cost you want to assign to this tunnel and enter a value 1 3 6 1 4 1 18 3 5 3 12 3 1 7 117355 A Rev A Configuring IP Multicasting and Multimedia 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 Threshold Configuration Manager gt
17. Protocols gt IP gt Multicast gt DVMRP gt Tunnel 1 1 to 254 hops Specifies a TTL value for the tunnel This value is the minimum IP TTL required for a multicast datagram to be forwarded out this tunnel Use this parameter to control the scope of the datagrams If the IP TTL is less than the threshold value you specify the router drops the datagram 1 3 6 1 4 1 18 3 5 3 12 3 1 8 Forward Cache Size Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel 32 32 to 512 entries Specifies the maximum number of entries allowed in the forwarding table associated with this tunnel interface When configuring a cache size you must also keep in mind the TTL value for entries If you specify a large cache size a larger TTL value is recommended For a smaller cache a shorter TTL for cache entries is recommended 1 3 6 1 4 1 18 3 5 3 12 3 1 16 Forward Cache TTL Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel 300 300 to 86400 seconds Specifies the TTL for an entry in the forwarding table Select an appropriate value for your configuration 1 3 6 1 4 1 18 3 5 3 12 3 1 17 A 12 117355 A 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 Site Manager Parame
18. XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 0 to 214748364 b s Specifies how the first fit algorithm works providing you set the Multiline Select Algorithm parameter to First Fit If you accept the default value the Resource Manager uses the simple first fit algorithm If you select a value greater than 0 the Resource Manager still uses the first available line with reservable bandwidth to service requests but moves to the next available line after reaching the configured threshold When all lines are at their thresholds the Resource Manager resumes using the simple first fit algorithm Set this parameter only if you have configured the Resource Manager on a multiline circuit and have set the Multiline Select Algorithm parameter to First Fit Accept the default or enter a number less than the value of the Reservable Bandwidth parameter 1 3 6 1 4 1 18 3 5 16 2 1 3 1 12 Reservation Latency Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 50 0 to 214748364 milliseconds Specifies the maximum latency for a reserved flow packet limiting the amount of unreserved data that the link scheduler can transmit When the data transmit ring reaches a size where the time to transmit the data is greater than the value of this parameter no more unreserved data will be queued
19. You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Debug parameter Click on Help or see the parameter description on page A 16 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 3 9 Configuring IP Multicasting and Multimedia Services Enabling Join Acknowledgments By default IGMP does not respond with an acknowledgment to join requests from host groups Using the following Site Manager procedure you can configure IGMP globally to respond to a join request by sending an IGMP query to the group Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Join Ack Enable parameter Click on Help or see the parameter description on page A 17 7 Click on Save You return to the Configuration Manager window Note This is a proprietary Bay Networks function It is not part of the standard IGMP protocol 3 10 117355 A
20. A 2 DVMRP Global Parameters rere i ERE EE P E AA A 2 DYMRP Circuit Parameters sajssercissesserslabessnnsassosegirdssenbiiitbnisnedesniccneaivealuseen A 7 DYMRP Tunnel Parainetlers sities ice se cetrsceeitesineeiardexbewesnantnndedsduniesesilanexbhubaniunbebedaes A 11 WIP PIES aei A 15 IGMP Global Configuration Parameters cicsccisscessssenses tt oesdestaurveeeencaierieraee A 15 IGMP Static Host Parameters sereni E T ee Ciena _A 17 IGMP Entry internace Parninie ies ccd yesecsteactiacecen th cecnaevennise hates eed A 18 IP ined PASEO aicist A 20 Resource Manager Parameters ccccccceeeseeeeeeteeeeeeeees PEE E inanis A 22 OSPF Parameters for Multicast and QoS Extensions ccscceeeeeeeeeeeeeeeeeeeeeeeeeeees A 29 COS Wr Global Per aS sicrie rannan anana aa ESOO EASES ENERE OERA N RES A 29 OSPF Interlace Parameters ucssscccccdanierteidutnntsantaiiete cedar a i ei A 32 Pe PATO eor tri sadpnubbessininai lake iceannites A 33 RSVP Global Parameters enan E E P _A 33 ROYF inteilace Peake GES a caress eicscdencendecantecie cennssdeeccannedadceammbaseenieeessncenmmes tiers A 34 Appendix B Multicasting Tools NARA E E A E E E E B 2 T 55 E EET NA A E AN T EIE E ATE AE N E i dani odin dead N B 4 Index 117355 A Rev A Figure 4 1 Figure 5 1 Figure 6 1 Figure 7 1 Figure 7 2 117355 A Rev A Figures AST URE cused scree a 4 3 OSPF Autonomous SY GIEINS acccuscitassasiscuiuiatidhiiuta
21. A 20 3 Click on OK The Initial RSVP Global Parameters widow appears 4 Click on Save Site Manager queries you to create line resources 5 Click on OK The Edit Line Resources window opens Edit the following parameters Site Manager returns you to the Estimated Bandwidth Configuration Manager window e Reservable Bandwidth Click on Help or see the parameter descriptions beginning on page A 22 7 Click on OK Site Manager returns you to the Configuration Manager window 117355 A Rev A 2 31 Configuring IP Multicasting and Multimedia Services RSVP is now running on the router with default values for all parameters You customize RSVP by modifying RSVP parameters For information and instructions see Chapter 7 2 32 117355 A Rev A Chapter 3 Customizing IGMP This chapter covers the following topics describing the Internet Group Management Protocol IGMP Configuring a Static Host Entry Topic Page IGMP Concepts and Terminology 3 2 Customizing Global IGMP 3 4 Customizing IGMP on an Interface 3 12 3 20 117355 A Rev A 3 1 Configuring IP Multicasting and Multimedia Services IGMP Concepts and Terminology The Internet Group Management Protocol IGMP allows hosts to communicate their desired group memberships to their local queries router to receive any datagrams sent to this router and targeted to a group with a specific IP
22. By default LRM does not check RSVP packets against the flowspec policing This assumes that an upstream router is policing traffic or the applications generating the reserved traffic consistently adhere to the flowspec and do not require policing When using the leaky bucket policing algorithm for reserved traffic LRM makes sure that all packets using reserved bandwidth follow the flowspec that appears in the reserve message For the controlled load service LRM attempts to carry any packets that do not adhere to the flowspec Note that leaky bucket policing requires additional processing by the router Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Policing Algorithm parameter Click on Help or see the parameter description on page A 24 4 Click on OK You return to the Configuration Manager window 117355 A Rev A 8 7 Configuring IP Multicasting and Multimedia Services Setting the Bandwidth Interval By default LRM measures instantaneous bandwidth over a 10 second interval If 10 seconds is not sufficient you can specify a different bandwidth interval for this interface from to 214748364 seconds Site Manager Procedure You d
23. Circuit The DVMRP Circuit Parameters window opens 6 Set the Forward Cache Size parameter Click on Help or see the parameter description on page A 8 7 Click on Apply and then click on Done You return to the Configuration Manager window When configuring a cache size you must also keep in mind the TTL value for entries If you specify a large cache size you can specify a larger TTL value A smaller cache requires a smaller TTL for cache entries 117355 A Rev A 4 27 Configuring IP Multicasting and Multimedia Services By default DVMRP uses a TTL of 7200 seconds two hours for entries in the forwarding table You can use Site Manager to specify a TTL from 300 to 86400 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Forward Cache TTL parameter Click on Help or see the parameter description on page A 9 7 Click on Apply and then click on Done You return to the Configuration Manager window If your neighbor is running mrouted the recommended TTL value is 300 seconds 4 28 117355 A Rev A Customizing DVMRP Disabling Advertisement of Local Networks By default DVMRP ad
24. Customizing DVMRP Enabling and Disabling Routing Policies By default routing policies are globally disabled This parameter allows you to configure a policy for the specified route Bay Networks currently supports only the policies that do not advertise the specified route or route range Bay Networks supports policies that advertise a default route for the specified route or route range You can use the following Site Manager procedure to enable and disable routing policies as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Policy Enable parameter Click on Help or see the parameter description on page A 6 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 4 21 Configuring IP Multicasting and Multimedia Services Customizing DVMRP on a Circuit You customize DVMRP on a circuit by modifying DVMRP parameters as described under the following topics Topic Page Disabling and Reenabling DVMRP on a Circuit 4 22 Disabling Multicast Support on a Unicast Tunnel 4 23 Calculating a Route Metric and Comparing
25. Global Disable Enable Disable Enables and disables route policy functionality at the global level Set this parameter as required 1 3 6 1 4 1 18 3 5 3 12 1 18 A 6 117355 A Rev A Site Manager Parameters DVMRP Circuit Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Enable Enable Disable Enables or disables DVMRP on this circuit If you have configured DVMRP on this circuit enter Disable to disable it 1 3 6 1 4 1 18 3 5 3 12 2 1 2 Route Enable Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Enable Enable Disable Enables or disables this circuit for routing Specify Enable if you want this circuit to be used to propagate routing information and if you want information about the source network associated with this circuit incorporated into routing updates Specify Enable if you want multicast datagrams to be forwarded on this circuit in native mode that is as multicast datagrams You can configure tunnels on this circuit Specify Disable if you want this circuit to exist only to support unicast tunnels If you specify Disable all other DVMRP circuit parameters are ignored The source network associated with this circuit is not incorporated into
26. Maximum Reservable Bandwidth for a Dataflow 8 15 Setting the Maximum Buffer Space for a Dataflow 8 16 117355 A Rev A 8 1 Configuring IP Multicasting and Multimedia Services About Line Resource Reservation Emerging real time multicast applications for digitized voice and video such as multimedia conferencing and virtual reality require a level of consistent network service that routers cannot meet using simple first in first out FIFO queuing mechanisms The existing best effort delivery service of IP networks where variable queuing delays and data loss due to congestion are acceptable is not sufficient Resource reservation protocols such as RSVP address the requirements of delay sensitive applications by distributing information among routers to achieve a guaranteed quality of service QoS for specific packet streams flows By reserving bandwidth for QoS requests a system of line resource reservation can meet the demands of real time applications and maintain bandwidth for other traffic Bay Networks line resource reservation supports bandwidth guarantees only It does not support delay guarantees Resource Manager The Bay Networks Resource Manager lets you define a certain percentage of a line s bandwidth as reservable Applications that require a guaranteed QoS can negotiate for the reservable bandwidth When the router honors a reservation request the Resource Manager allocates bandwidth from the res
27. QOSPF Enabling the Deterministic Hold Down Feature ccccsscccceesseececeeeesseceeeesnsseeeeeeeneees 6 3 eyes Ty ROO FIM epee re ere eter eee tenner a a yy eter ER reenter ENE 6 4 Errailing th Opaque apa Out ipiis enn hati edad ace 6 5 Enabling the Opaque Capability on an Interface 0 0 eeeccccceeeeeneeeeeceeeeeeeeeeeeeeetaeeeees 6 6 Chapter 7 Configuring RSVP PIO RSE Ee ara tanta rae eiaess Guna A 7 2 CSN TCU R EN RSVP GODAI sss innoiasca ionann aaa aaa aN AA 7 4 Disabling and Meenabling RSV cusisniiccmaiinyiie one E ar eai 7 4 GROSSE A IO eee p pene yea her er eee Pen Tyee E yer ee rrr err reo 7 5 Configuring RSVP Message Logging PEET TEE KEE E E A 7 6 CORTE RSYP onran Merate ciasna enai 7 7 Disabling and Reenabling RSVP on an Interface cccccesseeeeeeeeeeeeeseeeeeeetaeeetenes 7 7 Setting the RSVP Default Refresh Timer N E lade ce eaegicets inienn 7 8 Setting the RSVP Default Lifetime Multiplier 2 00 eee eee eeeeceeeeseeeeeeeeeeeeeeeeeeeeene 7 9 Setting the RSVP Refresh Blockade Multiplier ceceeseeceeseeeeseeeeeeseeeeeeeeees 7 10 Seming he TTE 3 219 0 ee ee nrc eee ere en ee reer ree tee 7 11 Seil ng ihe Roule Delay WIR css supraysectaaasateedalranenpncasiatimnnsetl axial iaeneass 7 12 Enabling and Disabling UDP Encapsulation ret reer Toena Sie eer 7 13 Chapter 8 Reserving Line Resources Aout Line Resource Reservatiol sieisoseiisiiniin inania ieaiai aaah 8 2 Resource
28. Queue Limit Leaky Bucket Specifies the policing algorithm for unreserved traffic Select the Queue Limit option to restrict the number of buffers packets of unreserved traffic that the Resource Manager queues This method of policing enables unreserved traffic to use available reserved bandwidth The Unreserved Queue Length parameter specifies the maximum number of packets in the queue Select the Leaky Bucket option to cause the router to actively police the unreserved traffic based on the unreserved bandwidth This method does not allow unreserved traffic to take advantage of available reserved bandwidth If you enable priority queuing for this line the router uses the priority queue parameters to perform Queue Limit policing See Configuring Traffic Filters and Protocol Prioritization for information about priority queue parameters 1 3 6 1 4 1 18 3 5 16 2 1 3 1 9 117355 A Rev A A 25 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Unreserved Queue Length Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 20 0 to 214748364 packets limited by available buffers If the Unreserved Policing Algorithm parameter is set to Queue Limit this parameter speci
29. Rev A Specifying a Forwarding Cache Limit Customizing IGMP By default IGMP allows a maximum of 512 entries in the MTM forwarding cache This affects all multicasting protocols The MTM cache must be at least as large as individual routing protocol caches for example the DVMRP cache You can use the following Site Manager procedure to set the forwarding cache to a different value Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Forward Cache Limit parameter Click on Help or see the parameter description on page A 17 7 Click on Save You return to the Configuration Manager window 117355 A Rev A Configuring IP Multicasting and Multimedia Services Customizing IGMP on an Interface When you add a multicast protocol to an IP interface IGMP is enabled with default values for all interface parameters You customize IGMP on the interface by modifying these parameters as described under the following topics Topic Page Enabling and Disabling IGMP on an Interface CE Specifying a Query Rate 3 14 Specifying a Membership Timeout Interval 3 16 Specifying a Desi
30. UDP encapsulation 7 13 Encapsulation Mode parameter 4 36 A 11 Estimated Bandwidth parameter 2 5 8 4 Estimated Groups parameter 3 7 A 16 Estimated Routes parameter 4 18 A 4 F First Fit multiline select algorithm 8 12 Forward Cache Limit parameter 3 11 A 17 Forward Cache Size parameter 4 27 4 39 A 8 A 12 Forward Cache TTL parameter 4 28 4 40 A 9 A 12 forwarding table defined 4 27 Full Update Interval parameter 4 10 A 2 117355 A Rev A G Garbage Timeout parameter 4 13 A 4 H host groups types of 1 2 l IGMP Internet Group Management Protocol 1 3 adding a static host entry 3 20 designated router timeout interval 3 17 enabling and disabling global 3 5 interface 3 13 estimating number of groups 3 6 host leave message 3 3 host repots 3 3 lifetime of a cache entry for Mtrace 3 19 logging 3 9 maximum host response time 3 18 membership timeout interval 3 16 queries 3 2 query rate 3 14 version threshold time 3 8 IGMP internet Group Management Protocol function of 3 2 Inflate A 25 Inflate Reservations Percentage parameter 8 9 A 25 Interface Membership Timeout parameter 3 16 A 19 Interface Query Rate parameter 3 15 A 19 internal router IR in multicasting 5 2 Internet Group Management Protocol See IGMP Internet Group Management Protocol IP Address parameter A 20 IP Configuration IGMP and DVMRP 2 3 117355 A Rev A RSVP 2 5 J Join Ack Enable paramet
31. a a A aaa 3 12 Enabling and Disabling IGMP on an Interface isirssrisissssiiinsissniainisniciiniaenea 3 13 EIA nite CHIE V RAO pr N 3 14 Specifying a Membership Timeout Interval ccccccceeeseeeeeeeeeeeeeeeeeeeeeeeaeeesenees 3 16 Specifying a Designated Router Timeout Interval ccceeeeees ee en tere 3 17 Specifying a Maximum Host Response TIME 00 ccsccseccenectececcenerssecetenreenetzens 3 18 Specifying the Lifetime of a Cache Entry for Mtrace cccecceeseeeeeeeeetteeeeeeeees 3 19 Configuring a Static Host Entry ceeeee vertais ennta E ET ee 3 20 Chapter 4 Customizing DVMRP DVMRP Concepts and Terminology cccsiccissssccssscetesesnsseccnedaccdonssessnsseteresss E 4 2 PE EVE COINS acsics Secs tincsdie tis acc cicncenedasacecanecisscaseacdatetanardciecsbinssiceaiamsadbecenueds 4 2 Source Route AdverisemMeniS sisiccisviccdeccraaicsednsoissceaidusedsiiies aeaiia aandae 4 4 How DVMRP Chooses a Route A E rere reece E benala 4 5 POU TO e tr errr rere tse rerrr ran errrsT errr re teeter tre er rT rrr rte 4 6 SONES EPAI MORT oea EA 4 7 Gugomiarng DOV RIP GOVA sicaire n aeaniee aa AEE 4 8 Disabling and Reenabling OY WAP coves insane naam iene 4 9 Setting the Update Interval NIAT PE PT P E PaT nieve 4 10 Contgunng Tee Pru irsini a ea ead haeteee 4 11 CoP MATAR DMR TIMES assioni iiia aa aE Aai 4 12 Setting the Route Expiration Timer sssssensrserarnrsen PEE E E 4 12 vi 117355 A Rev A
32. a host membership report Host B s delay time expires first so it responds to the query with a membership report Hearing the response Host A does not send a report of its own for the same group Each query from a router to a host includes a code field IGMP inserts a value n into this field specifying the maximum time in tenths of a second within which the host must issue a reply The host uses this value to calculate a random value between 0 and n tenths of a second for the period that it waits before sending a response If at least one host on the local network specifies that it is a member of a given group the router will forward to that network all datagrams bearing the group s multicast address Upon initialization the host may immediately issue a report for each of its supported multicast groups The router accepts and processes these asynchronous reports the same way it accepts requested reports Once in a steady state hosts and routers communicate in a way that minimizes the exchange of queries and reports Host Leave Messages When a Version 2 host leaves a group it issues a host leave message The multicast router on the network issues a group specific query to determine whether there are other group members on the network If no host responds to the query the router assumes that no members belonging to that group exist on that interface 117355 A Rev A 3 3 Configuring IP Multicasting and Multimedia Servi
33. best effort scheduling Use best effort scheduling if you want to use the resource reservation protocol RSVP to control admission of flows to the network but do not want to explicitly schedule each flow s packets 1 3 6 1 4 1 18 3 5 16 2 1 3 1 5 117355 A Rev A A 23 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Policing Algorithm Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources None None Leaky Bucket Specifies whether or not to use the leaky bucket policing algorithm for reserved traffic With leaky bucket policing the Resource Manager makes sure that all RSVP packets using reserved bandwidth follow the flowspec that appears in the RSVPRSVP connect request The Resource Manager discards any packets that do not adhere to the flowspec Note that such policing requires additional processing by the router Select None to bypass policing if an upstream router is policing traffic or if the applications generating the reserved traffic consistently adhere to the flowspec and do not require policing Enter Leaky Bucket to apply a leaky bucket policing algorithm to reserved traffic 1 3 6 1 4 1 18 3 5 16 2 1 3 1 6 Bandwidth Interval Secs Configuration M
34. default route 0 0 0 0 on this interface Enable this feature if you want DVMRP to advertise a default route on this interface 1 3 6 1 4 1 18 3 5 3 12 2 1 24 117355 A Rev A A 9 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Route Listen Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Disable Enable Disable Receives the default route 0 0 0 0 on this interface Enable this feature if you want DVMRP to listen for a default route on this interface 1 3 6 1 4 1 18 3 5 3 12 2 1 25 Report Depend Probe Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Disable Enable Disable Specifies the conditions under which DVMRP accepts a route report According to the protocol DVMRP must send a probe packet before sending the route report packet to its neighbors Some vendor implementations however do not send probes before sending reports By default DVMRP processes all received route reports Enable this feature if you want DVMRP to process only routes received from neighbors that send probe packets 1 3 6 1 4 1 18 3 5 3 12 2 1 26 A 10 117355 A Rev A Site Manager Parameters DVMRP Tunnel Parameters Parameter Path Default Options Function Instructions
35. from 32 to 512 allowed in the forwarding table associated with this tunnel interface Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Forward Cache Size parameter Click on Help or see the parameter description on page A 12 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 39 Configuring IP Multicasting and Multimedia Services When configuring a cache size you must also keep in mind the TTL value for entries If you specify a large cache size you can specify a larger TTL value A smaller cache requires a smaller TTL for cache entries By default DVMRP assigns a TTL value of 7200 seconds to an entry in a tunnel forwarding table You can use Site Manager to assign a value from 300 to 86400 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set
36. globally Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Multicast Deterministic parameter Click on Help or see the parameter description on page A 29 6 Click on OK You return to the Configuration Manager window When you choose MOSPF deterministic mode you are enabling OSPF with default values for all QOSPF parameters You customize QOSPF by modifying OSPF parameters as described in Chapter 6 117355 A Rev A 5 5 Configuring IP Multicasting and Multimedia Services Specifying a Forwarding Timeout Value You can use Site Manager to specify a value for timing out MOSPF entries in the forwarding table Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Timeout Value parameter Click on Help or see the parameter description on page A 30 6 Click on OK You return to the Configuration Manager window 5 6 117355 A Rev A Customizing OSPF Multicast Extensions Specifying a M
37. have configured LRM on a multiline circuit and have set the Multiline Select Algorithm parameter to First Fit Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Multiline Threshold Bandwidth parameter Click on Help or see the parameter description on page A 27 4 Click on OK You return to the Configuration Manager window a You set this parameter only if you configured the Resource Manager on a multiline circuit 117355 A Rev A 8 13 Configuring IP Multicasting and Multimedia Services Setting the Reservation Latency By default the maximum latency for a reserved flow packet is 50 milliseconds ms limiting the amount of unreserved data that the link scheduler can transmit When the data transmit ring reaches a size where the time to transmit the data is greater than the value of this parameter no more unreserved data will be queued You can set the reservation latency from 0 to 214748364 ms Reduce the value of this parameter to obtain better delay characteristics for reserved flows but note that overall throughput may decrease Increase the default value to improve throughput but note that reserved flow delays may increase Site Manag
38. multicasting on a neighboring router Identifies the remote end of the tunnel To identify a unicast tunnel you must supply the unicast IP address of both ends of the tunnel the local interface and the remote interface Use this parameter to enter the remote IP address 1 3 6 1 4 1 18 3 5 3 12 3 1 5 IGMP Parameters This section describes the IGMP global configuration static host and entry interface parameters IGMP Global Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global Enable Enable Disable Enables or disables this IGMP record If you configured IGMP on this router use this parameter to disable it 1 3 6 1 4 1 18 3 5 3 13 1 2 117355 A Rev A Configuring IP Multicasting and Multimedia 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 Estimated Groups Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global 20 5 to 65535 groups Specifies the estimated number of groups that will be simultaneously active for this router Determine the approximate number of groups and enter the value This allows the router to utilize memory effic
39. on page 4 3 for example Router D receives two reports for the network connected to multicasting Router A one from Router B and one from Router C Using the metrics contained in the route reports Router D determines that the cost of the tunneled route is greater than the cost of the route that uses direct physical connections Router D discards the route received from Router C and stores the route received from Router B Router D then declares Router B to be the next hop neighbor and Interface d1 to be the next hop interface After a next hop neighbor has been declared for a route the route updates received from that neighbor for that route take precedence until either the route times out or until another router advertises a better metric for that route 117355 A Rev A Configuring IP Multicasting and Multimedia Services Routing Table Table 4 1 shows the principal items in a routing table entry Table 4 1 Parts of a Routing Table Entry Item Description Source subnet address Address and mask of a subnetwork containing a host and mask sourcing multicast datagrams From gateway Previous hop router leading back to the source subnet TTL Number of seconds before this entry is removed from the routing table Note that the source subnet and the previous hop router in the DVMRP routing table are the opposite of the destination subnet and next hop router in a RIP routing table Using this information the router can
40. 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 Bay Networks Inc Software License Agreement NOTICE Please carefully read this license agreement before copying or using the accompanying software or installing the hardware unit with pre enabled software each of which is referred to as Software in this Agreement ji 117355 A Rev A BY COPYING OR USING THE SOFTWARE YOU ACCEPT ALL OF THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT THE TERMS EXPRESSED IN THIS AGREEMENT ARE THE ONLY TERMS UNDER WHICH BAY NETWORKS WILL PERMIT YOU TO USE THE SOFTWARE If you do not accept these terms and conditions return the product unused and in the original shipping container within 30 days of purchase to obtain a credit for the full purchase price 1 License Grant Bay Networks Inc Bay Networks grants the end user of the Software Licensee a personal nonexclusive nontransferable license a to use the Software either on a s
41. router operation will not cause an error but may cause the router to consume more memory than is required 1 3 6 1 4 1 18 3 5 3 12 1 10 A 4 117355 A 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 Site Manager Parameters Neighbor Probe Interval Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 10 5 to 30 seconds Specifies how often DVMRP should send a probe on interfaces from which no neighbors have been heard If your neighbor is running DVMRP mrouted ensure that your probe interval value matches the value used by the neighbor 1 3 6 1 4 1 18 3 5 3 12 1 11 Route Switch Timeout Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 140 20 to 2000 seconds Specifies how long DVMRP should wait without receiving a subsequent route update from the original neighbor before switching to a different neighbor advertising equal cost for this route If your neighbor is running DVMRP mrouted the recommended value is 140 seconds 1 3 6 1 4 1 18 3 5 3 12 1 12 Debug Level Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 0 0 or a debug level Turns the DVMRP log on or off for DVMRP debugging messages and specif
42. the Forward Cache TTL parameter Click on Help or see the parameter description on page A 12 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 40 117355 A Rev A Advertising a Default Route Customizing DVMRP By default DVMRP does not supply a default route on this tunnel You can use Site Manager to enable and disable this feature as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Route Supply parameter Click on Help or see the parameter description on page A 13 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 41 Configuring IP Multicasting and Multimedia Services Listening for a Default Route By default DVMRP does not listen for a default route on this tunnel You can use Site Manager to enable and disable this feature as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast m
43. the following command sets the host response to 25 tenths of a second igmp 2 2 2 2 3 max host response 25 igmp 2 2 2 2 3 Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Max Host Response Time parameter Click on Help or see the parameter description on page A 20 7 Click on Apply and then click on Done You return to the Configuration Manager window 3 18 117355 A Rev A Customizing IGMP Specifying the Lifetime of a Cache Entry for Mtrace IGMP creates entries in the forwarding cache specifically for the Mtrace utility By default IGMP keeps these entries in the forwarding cache for a maximum of 30 seconds You can use the BCC or Site Manager to specify a different lifetime value from 30 to 8192 seconds Using the BCC Navigate to the IGMP prompt for the interface and enter mtrace lifetime seconds seconds is an integer from 30 to 8192 seconds For example the following command sets the Mtrace cache entry lifetime to 60 seconds igmp 2 2 2 2 3 mtrace lifetime 60 igmp 2 2 2 2 3 Using Site Manager Site Manager Procedure You do this System respon
44. the termination of this license 8 Export and Re export Licensee agrees not to export directly or indirectly the Software or related technical data or information without first obtaining any required export licenses or other governmental approvals Without limiting the foregoing Licensee on behalf of itself and its subsidiaries and affiliates agrees that it will not without first obtaining all export licenses and approvals required by the U S Government i export re export transfer or divert any such Software or technical data or any direct product thereof to any country to which such exports or re exports are restricted or embargoed under United States export control laws and regulations or to any national or resident of such restricted or embargoed countries or ii provide the Software or related technical data or information to any military end user or for any military end use including the design development or production of any chemical nuclear or biological weapons 9 General If any provision of this Agreement is held to be invalid or unenforceable by a court of competent jurisdiction the remainder of the provisions of this Agreement shall remain in full force and effect This Agreement will be governed by the laws of the state of California Should you have any questions concerning this Agreement contact Bay Networks Inc 4401 Great America Parkway P O Box 58185 Santa Clara California 95054 8185 LICENSEE ACKNOW
45. transient host group 1 2 Transmit Bcast Addr parameter IP Configuration IGMP and DVMRP 2 3 RSVP 2 5 tree pruning 4 11 Triggered Update Interval parameter 4 10 A 2 triggered updates specifying the time between 4 10 TTL parameter 7 11 Index 5 tunnels addresses for 4 34 connecting neighbors 4 2 cost 4 37 enabling and disabling 4 35 forwarding table for 4 39 threshold value for 4 38 unicast disabling multicast support on 4 23 U Udp Required parameter 7 13 UnNumbered Assoc Address parameter IP Configuration RSVP 2 5 UnNumbered Assoc Address IP Configuration IGMP and DVMRP 2 3 Unreserved Queue Length parameter 8 11 A 26 UPD encapsulation 7 13 updates setting the interval 4 10 triggered 4 10 V Version Threshold Time parameter 3 8 A 16 Index 6 117355 A Rev A
46. 1 8 117355 A Rev A A 21 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID UnNumbered Assoc Address Select IP from the Select Protocols window and click on OK None Any valid IP address Specifies an address that IP uses when sourcing a packet RIP uses this address to make decisions about advertising subnets over the unnumbered interface RIP advertises subnets over the unnumbered interface if the subnets have the same mask as the associated address Specify the address of any numbered interface on the router If you are running RIP over the unnumbered interface and if you are using a subnet address as the associated address the local and remote associated addresses should have the same network number If you configure local and remote associated addresses using different network numbers you must use RIP2 mode 1 3 6 1 4 1 18 3 5 3 2 1 4 1 110 Resource Manager Parameters Parameter Path Default Options Function Instructions MIB Object ID Estimated Bandwidth Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 0 to 214748364 b s Specifies the estimated usable bandwidth for this line Enter the estimated total bandwidth for this line in bits per second To enable line resource management enter a value greater than zero
47. 18 3 5 3 2 3 1 27 Dynamic TTL Configuration Manager gt Protocols gt IP gt OSPF gt Global Disabled Enabled Disabled Controls whether MOSPF uses a dynamic TTL threshold Dynamic TTL means that the TTL threshold may be different for each source group downstream tuple For maximum forwarding performance disable this feature 1 3 6 1 4 1 18 3 5 3 2 3 1 28 117355 A Rev A A 31 Configuring IP Multicasting and Multimedia Services OSPF Interface Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Multicast Forwarding Configuration Manager gt Protocols gt IP gt OSPF gt Interfaces Multicast Blocked Multicast Unicast Specifies the way multicasts should be forwarded on this interface not forwarded forwarded as data link multicasts or forwarded as data link unicasts Data link multicasting is not meaningful on point to point and NBMaA interfaces and setting ospfMulticastForwarding to 0 effectively disables all multicast forwarding If you configured MOSPF globally specify the way you want IP to forward multicast packets on this interface 1 3 6 1 4 1 18 3 5 3 2 3 5 1 30 Opaque On Configuration Manager gt Protocols gt IP gt OSPF gt Interfaces On On Off Controls whether or not opaque LSAs are to be flooded out this interface If you have enabled the MOSP
48. 55 and supports pruning and Mtrace mrinfo 192 32 27 46 192 32 27 46 version 3 255 prune genid mtrace 192 32 27 46 gt 192 32 27 39 1 1 192 32 27 46 gt 192 32 27 47 1 1 192 32 27 46 gt 192 32 191 2 1 1 tunnel 192 32 27 161 gt 192 32 27 162 1 1 117355 A Rev A Multicasting Tools rsvp The rsvp command allows you to view information about RSVP and set global configuration parameters Enter the rsvp command at the Technician Interface as follows rsvp lt subcommanda gt lt options gt lt subcommand gt lt session phop oi path resv gt Table B 3 explains the meanings of each rsvp subcommand in more detail Table B 3 IP Subcommand Meanings Subcommand System Displays session Known RSVP sessions phop Known RSVP previous hops oi Known RSVP outgoing interfaces path The RSVP path state resv The RSVP RESV state blockade The RSVP blockade state lt options gt d lt destination IP gt lt protocol ID gt lt destination port gt p lt previous hop gt f lt source IP gt lt source port gt n lt next hop gt The lt options gt apply to subcommands as described in Table B 4 117355 A Rev A B 5 Configuring IP Multicasting and Multimedia Services Table B 4 Option Descriptions Option Effect Applicable Subcommands d lt destination IP gt lt protocol ID gt lt destination port gt Retrieves RSVP data for the s
49. A 32 Multicast Route Pinning parameter 6 4 A 29 multicasting addresses for 1 3 aging a route 4 12 border router BR 5 2 boundary router ASBR 5 2 comparing routes 4 7 creating a shortest path tree 4 7 IGMP 1 3 internal router IR 5 2 leaf network 4 7 threshold 4 25 tunnel 4 2 types supported by MOSPF 5 3 Multicasting Extensions to OSPF See MOSPF Multiline Select Algorithm parameter 8 12 A 26 Multiline Threshold Bandwidth parameter 8 13 A 27 Neighbor Probe Interval parameter 4 16 A 5 Index 4 Neighbor Timeout parameter 4 14 A 3 neighbors nonstandard 4 44 nondeterministic mode for MOSPF 5 5 O Opaque Capability parameter 6 5 A 30 Opaque On parameter 6 6 A 32 P permanent host group 1 2 Policing Algorithm parameter 8 7 A 24 Prefix Length parameter 3 20 A 18 priority queuing 8 11 A 26 Pruning Enable parameter 4 11 A 6 pruning the shortest path tree 4 11 publications ordering xviii Q QOSPF Quality of Service Path First adding extensions to OSPF 6 2 functions 6 1 Quality of Service QoS 8 2 queue limit policing algorithm 8 10 R Refresh A 35 Refresh Blockade Multiple parameter 7 10 A 34 Refresh Interval parameter 7 8 A 35 Refresh Multiple parameter 7 9 A 34 Remote IP Address parameter 4 34 A 15 Report Depend Probe parameter 4 44 A 10 Reservable Bandwidth parameter 2 5 8 5 Reservation Latency parameter 8 14 A 27 Resource Reservat
50. Click on Help or see the parameter description on page A 33 5 Click on Save You return to the Configuration Manager window 7 4 117355 A Rev A Configuring RSVP Choosing a Slot By default RSVP runs on every slot where it is configured You can use Site Manger to specify the slot or slots on which you want RSVP to run Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Global The RSVP Base Group Record window opens 4 Set the Soloist Slots parameter Click on Help or see the parameter description on page A 33 5 Click on Save You return to the Configuration Manager window 117355 A Rev A Configuring IP Multicasting and Multimedia Services Configuring RSVP Message Logging You can use Site Manager to specify the messages you want to log Caution Enabling message logging increases the chance of losing information because of lack of memory Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Global The RSVP Base Group Record window opens 4 Set the Log Filter parameter Click on Help or see the parameter description on page A 33 5 Click on Save You return
51. Configuring Ethernet FDDI and Token Ring Services When you have successfully configured the circuit the Select Protocols window opens Proceed as follows Site Manager Procedure You do this System responds 1 Inthe Select Protocols window choose The IP Configuration window opens the following protocols gt IP DVMRP Then click on OK 2 Set the following parameters IP Address e Subnet Mask Transmit Beast Addr UnNumbered Assoc Address Click on Help or see the parameter descriptions beginning on page A 20 3 Click on OK Site Manager returns you to the Configuration Manager window When you configure DVMRP on an IP interface DVMRP is also configured globally on the router DVMRYP is now running on the router with default values for all global and interface parameters You customize DVMRP by modifying DVMRP parameters For information and instructions see Chapter 4 117355 A Rev A 2 29 Configuring IP Multicasting and Multimedia Services Starting MOSPF MOSPF is a multicasting extension of OSPF To enable MOSPF you must add OSPF to an IP interface and enable MOSPF multicast extensions to support one of the following types of multicasting e Intra area multicasting e Intra area and inter area multicasting e Intra area and inter AS multicasting e All multicasting For information about MOSPF multicasting types see Chapter 5 Site Manager Procedure You do th
52. DVMRP Tunnel Parameters window opens 6 Set the Metric parameter Click on Help or see the parameter description on page A 11 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 37 Configuring IP Multicasting and Multimedia Services Specifying aTTL By default DVMRP assigns a TTL value of 1 to a tunnel This value is the minimum IP TTL required for a multicast datagram to be forwarded out this tunnel You can use Site Manager to assign a value from 1 to 254 Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Threshold parameter Click on Help or see the parameter description on page A 12 7 Click on Apply and then click on Done You return to the Configuration Manager window Use this value to control the scope of the datagrams If the IP TTL is less than the threshold value you specify the router drops the datagram 4 38 117355 A Rev A Customizing DVMRP Configuring a Forwarding Table for the Tunnel By default DVMRP preallocates a forwarding table for 32 entries You can use Site Manager to specify the maximum number of entries
53. F opaque capability globally you can turn it on and off on this interface as required 1 3 6 1 4 1 18 3 5 3 2 3 5 1 31 A 32 117355 A Rev A Site Manager Parameters RSVP Parameters RSVP Global Parameters 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 IP gt RSVP gt Global Enable Enable Disable Specifies the state of global RSVP Disable and reenable global RSVP as required 1 3 6 1 4 1 18 3 5 16 1 1 1 2 Soloist Slots Configuration Manager gt Protocols gt IP gt RSVP gt Global All slots Slots 1 to 14 Specifies the slot or slots on which RSVP is eligible to run Select a slot or slots for global RSVP 1 3 6 1 4 1 18 3 5 16 1 1 1 4 Log Filter Configuration Manager gt Protocols gt IP gt RSVP gt Global Info Log Filter Info Log Filter Trace Log Filter Debug Log Filter Turns the RSVP log on and off for different levels of RSVP messages Select the levels for the RSVP messages you want to log 1 3 6 1 4 1 18 3 5 16 1 1 1 5 117355 A Rev A A 33 Configuring IP Multicasting and Multimedia Services RSVP Interface Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Op
54. In Figure 4 1 for example multicasting Router A has two neighbors Router B and Router C Router A and Router B are connected directly they both have interfaces to Net 6 Router A and Router C communicate through a tunnel that includes a unicast router 4 2 117355 A Rev A Customizing DVMRP Net 2 Multicast router Unicast router Multicast host Multicast circuit Tunnel IP00031A Figure 4 1 Multicast Routers 117355 A Rev A 4 3 Configuring IP Multicasting and Multimedia Services At startup a DVMRP multicasting router 1 Initializes its routing table with information on all of its local networks 2 Learns the existence of its neighbors by sending a probe for all routes on each of its multicast interfaces both physical circuits and tunnels 3 Receives reports from its neighbors containing the routing information including route costs In Figure 4 1 for example Router D becomes active and issues routing probes on four multicasting interfaces Router D receives reports from its multicasting neighbors Routers B C and E Source Route Advertisements A source network is any network containing hosts that have the capability to issue multicast datagrams DVMRP advertises shortest path routes to multicasting source networks In this respect DVMRP is the opposite of RIP which advertises routes to destin
55. LEDGES THAT LICENSEE HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOUND BY ITS TERMS AND CONDITIONS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE ENTIRE AND EXCLUSIVE AGREEMENT BETWEEN BAY NETWORKS AND LICENSEE WHICH SUPERSEDES ALL PRIOR ORAL AND WRITTEN AGREEMENTS AND COMMUNICATIONS BETWEEN THE PARTIES PERTAINING TO THE SUBJECT MATTER OF THIS AGREEMENT NO DIFFERENT OR ADDITIONAL TERMS WILL BE ENFORCEABLE AGAINST BAY NETWORKS UNLESS BAY NETWORKS GIVES ITS EXPRESS WRITTEN CONSENT INCLUDING AN EXPRESS WAIVER OF THE TERMS OF THIS AGREEMENT 117355 A Rev A Contents About This Guide Bor ON a a xvi Conventions 4 P E try oad E E E EE unidecmaits saa KVI PETON aa a a xvii Ordering Bay Networks PUDICANONS sceiaisesascerudtectddanassidssainudsetdudsaiuas aaduan aani caapinders xviii Bay Networks Customer BENViGE csssiiaidmiien ioiii iia aana e E ENT xix PIG TSR GID irai E onc petite eer ees xix Chapter 1 Multicasting and Multimedia Overview Multicast HOS CONGUE sche nnn A enna deste 1 2 PONTE PENS ROS st suscncnanesniiys terra deedatad Susie ondtusies esas euduetadiristanidiiussbdearcinssumadiubecaitiaun 1 3 internet Group Management ProtOCOl cccssciecntcsnarecceaetinciimi onesies a 1 3 Distance vector Multicast Routing Prtecel eessiimnsrunsnnn eases 1 3 M licasi Extensions t0 OSPF cai viveccentnse Sazsveninlicgentpeascanctnpniecastearividguemecedsanade PERT 1 4 Quality di Semice Extensions 16 OSPF asriicseitions
56. Managot ncscaccssnsrdace conse ceconancedcdetantvieds somsriebecondeayccceteue Ui 8 2 SOCOM SOND aana a hee RS 8 3 How the Resource Manager Works with RSVP mace E TE O s Serting the Estimated Bandwidihi siinne aR 8 4 Setting the Reservable Bandwidth vissini nenni iadaaa aaa iS 8 5 Speciiying the Traffic Queuing Algorithm ccscccidscssncasssscsespnesdascteacudsessecciccsenseneds losioni 1 8 6 viii 117355 A Rev A Specifying the LRM Policing Algorithm ssssiissassesevisaassseresausasese russ sseertisaaseentsaussnnetveassaeiens 8 7 RTI the Bandwidth Mena anina eaaa ai A AAE 8 8 Setting the Inflate Reservations Percentage ccesecceceeeeeeeeeeeeeeeeeeeaeeeeeeeeeeaaeeeeaees 8 9 Specifying the Unreserved Policing Algorithm cccccssseceeesssseeeeessncaeeeeessneeeseseeaas 8 10 Specifying the Unreserved Queue Length E E E T AE ET eR 8 11 Specifying the Multiline Select Algoritiri sictccc cess ciscismntecccertensesciantervcoetesiedesnceaemdnersanes 8 12 Setting the Multiline Threshold Bandwidth cccccccceceeeeneeeeeeeeeeeeaeseeneeeeseaeeeeeeeeeeaas 8 13 Setting the Reservation Latency 0 c0 T A E PEE 8 14 Setting the Maximum Reservable Bandwidth for a Dataflow cccceeceeseeeeeeneeeeees 8 15 Setting the Maximum Buffer Space for a Dataflow sseesseeeseeeeeeseeneesrnesrnnesrnnsneesnns 8 16 Appendix A Site Manager Parameters EY Pellet aapna ar ONES ARNr SEAN AREE UVE PAE ENN A
57. OSPF see Chapter 5 Quality of Service Extensions to OSPF QOSPF is an extension of OSPF and MOSPF that works in conjunction with the Resource Reservation Protocol to provide quality of service QoS for multicast data flows QOSPF is described in Chapter 6 Resource Reservation Protocol The Resource Reservation Protocol RSVP allows host systems in an IP network to reserve resources on RSVP capable routers for unicast or multicast dataflows A dataflow is a transmission of packets from a source to one or more destinations requiring a certain QoS RSVP is described in Chapter 7 Bay Networks Resource Manager The Bay Networks Resource Manager lets you define a certain percentage of a line s bandwidth as reservable Applications that require a guaranteed quality of service can negotiate for the reservable bandwidth When the router honors a reservation request the Resource Manager allocates bandwidth from the reservable bandwidth reducing the bandwidth available for other requests For information about the Bay Networks Resource Manager see Chapter 8 1 24 117355 A Rev A Multicasting and Multimedia Overview Multicast Table Manager The Multicast Table Manager MTM makes it possible for different multicast protocols to work together on the same router MTM does the following e Manages DVMRP and MOSPF e Provides multicast routing support for RSVP e Supports MOSPF special features e Supports multicast tools f
58. Reduce the value of this parameter to obtain better delay characteristics for reserved flows but note that overall throughput may decrease Increase the default value to improve throughput but note that reserved flow delays may increase 1 3 6 1 4 1 18 3 5 16 2 1 3 1 13 117355 A Rev A A 27 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Largest Bandwidth Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 no maximum O or an integer indicating the percentage of bandwidth Specifies the maximum bandwidth that a single flow can reserve on this line Set this parameter as required 1 3 6 1 4 1 18 3 5 16 2 1 3 1 14 Largest Buffer Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 no maximum 0 or an integer specifying the amount of buffer space Indicates the maximum buffer space that a single flow can reserve on this line Set this parameter as required 1 3 6 1 4 1 18 3 5 16 2 1 3 1 15 A 28 117355 A Rev A Site Manager Parameters OSPF Parameters for Multicast and QoS Extensions OSPF Global Parameters Parameter Path Default Options Functio
59. Rev A 8 9 Configuring IP Multicasting and Multimedia Services Specifying the Unreserved Policing Algorithm LRM uses one of two policing algorithms for unreserved traffic Queue limit Restricts the number of buffers packets of unreserved traffic that LRM queues This method of policing enables unreserved traffic to use available reserved bandwidth Note If you enable priority queuing for this line the router uses the priority queue parameters to perform queue limit policing See Configuring Traffic Filters and Protocol Prioritization for information about priority queue parameters Leaky bucket Causes the router to actively police the unreserved traffic based on the unreserved bandwidth This method does not allow unreserved traffic to take advantage of available reserved bandwidth Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Un reserved Policing Algorithm parameter Click on Help or see the parameter description on page A 25 4 Click on OK You return to the Configuration Manager window 8 10 117355 A Rev A Reserving Line Resources Specifying the Unreserved Queue Length If the Unreserved Policing Algorithm p
60. Route Costs 4 24 Specifying a Threshold 4 25 Configuring a Forwarding Table 4 27 Disabling Advertisement of Local Networks 4 29 Advertising a Default Route 4 30 Listening for a Default Route 4 31 Accepting a Report from a Nonstandard DVMRP Neighbor 4 32 Disabling and Reenabling DVMRP on a Circuit By default DVMRP is enabled on a circuit You can use Site Manager to disable and reenable it Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose IP The IP menu opens Choose Multicast The Multicast menu opens Choose DVMRP The DVMRP menu opens a PR oe hy Choose Circuit The DVMRP Circuit Parameters window opens Set the Enable parameter Click on Help or see the parameter description on page A 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 22 117355 A Rev A Customizing DVMRP Disabling Multicast Support on a Unicast Tunnel By default DVMRP Propagates multicast routing information on the circuit Incorporates in routing updates information about the source network associated with this circuit Forwards multicast datagrams on this circuit in native mode that is as multicast datagrams Using Site Manager you can disable multicast support on the circuit Site Manager Procedure
61. Source Response Dest Overall Packet Statistics For Traffic From 192 32 2 73193 192 32 199 161 Packet 192 32 27 193 To 224 2 0 1 v J STEE 3ms Rate Lost Sent Pct Rate LOZ S22 P3193 192 32 199 162 v ttl 2 0 pps 192332 s199 162 HA Oe Receiver Query Source 117355 A Rev A B 3 Configuring IP Multicasting and Multimedia Services mrinfo The mrinfo command displays the capabilities of a DVMRP multicast router It shows whether the router supports mtrace and pruning provides revision information and provides the link characteristics for every link on the router To display Mrinfo information enter the mrinfo command at the Technician Interface as follows mrinfo lt options gt lt router_address gt lt options gt lt r lt retry_count gt t lt timeout_count gt Table B 2 explains the meanings of each mrinfo option in more detail Table B 2 Meanings of Mrinfo Options Option Meaning r lt retry_count gt Mrinfo sets the neighbor query retry limit to lt retry_count gt The default is 3 retries t lt timeout_count gt Mrinfo sets the number of seconds to wait for neighbor query reply to lt timeout_count gt The default timeout is 3 seconds lt router_address gt is the address of the DVMRP router whose capabilities you want to display For example the following mrinfo command displays the capabilities of DVMRP router 192 32 27 46 The DVMRP router is running version 3 2
62. VMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the following parameters Full Update Interval Triggered Update Interval Click on Help or see the parameter descriptions beginning on page A 2 7 Click on Save You return to the Configuration Manager window 117355 A Rev A Customizing DVMRP Configuring Tree Pruning If no members are detected on a branch of the shortest path tree for a given group DVMRP prunes the branch The following conditions cause DVMRP to prune the shortest path tree for a given group The router determines that the attached network on which the host is located or any other locally attached network has no active member of the group The router determines that all neighbors on all attached networks other than the next hop network to the source have pruned off the source and group The router determines that it is not located on the shortest network path to any remote network that includes a member of the group The router sends a DVMRP prune message to its DVMRP neighbor The neighbor removes the router from its forwarding table If the host later rejoins the group the router sends the neighbor a DVMRP graft message The neighbor restores the router to its forwarding table Tree pruning is enabled on the router by default You can use Site Manager to disable and reenable tree pruning on the router Site Manager Procedure
63. anager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 10 1 to 214748364 seconds Specifies the interval over which the Resource Manager measures instantaneous bandwidth Enter a time interval in seconds if the default value of 10 seconds is not sufficient 1 3 6 1 4 1 18 3 5 16 2 1 3 1 7 A 24 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Inflate Reservations Percentage Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources 0 0 to 100 percent Specifies that the Resource Manager adds a safety buffer to each RSVP reservation on this line by increasing bandwidth requests by a specified percentage To inflate reservations made on this line enter a percent value to increase each bandwidth request Increase the value of this parameter if you notice that the Resource Manager is discarding packets because applications generating reserved traffic are exceeding their flowspecs 1 3 6 1 4 1 18 3 5 16 2 1 3 1 8 Unreserved Policing Algorithm Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources Queue Limit
64. arameter is set to Queue Limit you can specify the maximum number of unreserved best effort packets to be held in queue for transmission After the queue length reaches this value the router discards best effort traffic when congestion occurs Note that priority queuing limits if configured override the value of this parameter By default LRM holds a maximum of 20 unreserved packets in queue for transmission Change this value to adjust the queue length limit from 0 to 214748364 packets limited by available buffers Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Unreserved Queue Length parameter Click on Help or see the parameter description on page A 26 4 Click on OK You return to the Configuration Manager window 117355 A Rev A 8 11 Configuring IP Multicasting and Multimedia Services Specifying the Multiline Select Algorithm If you configured LRM on a multiline circuit you can choose one of two algorithms that determine how LRM selects which line to use for a new resource request e First fit Always uses the first available line that can service reserved traffic requests e Round robin Rotates the use of lines available
65. ast Addresses 1 23 Internet Group Management Protocol 1 23 Distance Vector Multicast Routing Protocol 1 23 Multicast Extensions to OSPF 1 24 Quality of Service Extensions to OSPF 1 24 Resource Reservation Protocol 1 24 Bay Networks Resource Manager 1 24 Multicast Table Manager 125 117355 A Rev A 1 21 Configuring IP Multicasting and Multimedia Services Multicast Host Groups IP multicasting is a method for addressing routing and delivering a datagram to a collection of receivers called a host group Host groups can be permanent or transient e A permanent host group has a well known administratively assigned IP multicast group address The address not the membership is permanent and defines the group A permanent host group can consist of zero or more members e A transient host group exists only as long as it has members that need its services IP addresses in the multicast range that are not reserved for permanent groups are available for dynamic assignment to transient host groups Any host system on any IP network can send a message to a multicast group using the group s IP multicast address To receive a message addressed to a multicast group however the host must be a member of the group and must reside on a network where that group is registered with a local multicast router An IP multicasting host group can consist of zero or more members and places no restrictions on its membership Host members can re
66. asting and Multimedia Services By default DVMRP uses a TTL value of 1 You can use Site Manager to specify a TTL value from 1 to 254 Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Threshold parameter Click on Help or see the parameter description on page A 8 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 26 117355 A Rev A Customizing DVMRP Configuring a Forwarding Table To minimize the amount of time that it spends looking up routes DVMRP creates and maintains a cache of frequently used routes called a forwarding table for each IP interface By default DVMRP preallocates a forwarding table of 32 entries for each circuit You can use Site Manager to specify the maximum number of entries 32 to 512 allowed in the forwarding table associated with this circuit Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose
67. ation networks Periodically each multicasting router issues full or partial routing information on each DVMRP circuit using DVMRP report messages This routing information represents the sending router s cost to reach the specified source network The cost is the sum of the hop metrics along the shortest path to the given source network Upon receiving a DVMRP report from another router DVMRP reexamines its routing table to determine if the shortest path information needs updating Specifically DVMRP looks in the routing table for an entry describing a route to the same source network If one exists DVMRP compares the cost of the two routes and stores the route with the lower cost in its routing table A router will not send route reports on an interface until it knows by means of received probes or reports that it has a neighboring multicast router on that interface It will continue to send probes periodically on an interface 117355 A Rev A Customizing DVMRP How DVMRP Chooses a Route Each DVMRP interface is configured with a metric that indicates the cost of the hop A router that receives multiple route reports for the same multicasting source network e Compares the cost specified in each based on the metric field e Stores information from the report with the lowest cost in its routing table A route metric is the sum of all the interface hop metrics from a given route source to a given router In Figure 4 1
68. aximum Number of Queued Packets By default MOSPF queues a maximum of 64 packets per slot for all dataflows You can control how many multicast packets can be queued on each slot for all flows before MOSPF finishes building multicast trees If you disable queuing packets are dropped before the tree is calculated If you specify a maximum value the first few data packets for a multicast flow are queued before MOSPF finishes building the multicast tree You can use the following Site Manager procedure to disable queuing or specify a different maximum number of queued packets Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Max Queued Multcast Pkts parameter Click on Help or see the parameter description on page A 31 6 Click on OK You return to the Configuration Manager window 117355 A Rev A 5 7 Configuring IP Multicasting and Multimedia Services Enabling Dynamic TTL You can configure MOSPF to drop multicast packets that do not have a TTL high enough to reach the closest group member By default this feature is disabled You can use the following Site Manager procedure to enable and disable the feature as required Site Manager Procedure
69. cast datagrams on this circuit Note If another IGMP router on this network has taken on the query role this router will not send out queries unless it has not heard of any queries within the number of seconds specified by the Designated Router Timeout parameter You can use the BCC or Site Manager to disable queries or specify a query rate from 0 to 4096 seconds Using the BCC Navigate the IGMP prompt for the interface and enter query rate rate rate is the number of seconds from 0 disabling queries to 4096 For example the following command specifies a query rate of 300 seconds igmp 2 2 2 2 3 query rate 300 igmp 2 2 2 2 3 3 14 117355 A Rev A Using Site Manager Customizing IGMP Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Interface Query Rate parameter Click on Help or see the parameter description on page A 19 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 3 15 Configuring IP Multicasting and Multimedia Services Specifying a Membership Timeout Interval By default a local group membership is val
70. casting and Multimedia Services Estimating the Number of Groups By default IGMP estimates that 20 groups will be simultaneously active on this router This estimate allows the router to utilize memory efficiently exceeding this size during router operation will not cause an error but may cause the router to consume more memory than required Note You do not need to include in the count any group from 224 0 0 0 to 224 0 0 255 You can use the BCC or Site Manager to supply an estimate from 5 to 65 535 groups Using the BCC Navigate to the global IGMP prompt and enter estimated groups groups groups is an integer from 5 to 65 535 3 6 117355 A Rev A Using Site Manager Customizing IGMP Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Estimated Groups parameter Click on Help or see the parameter description on page A 16 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 3 7 Configuring IP Multicasting and Multimedia Services Specifying a Version Threshold Time By default 540 seconds can elapse after IGMP detects a Version 1 query before IGMP
71. ce and the remote interface You can use Site Manager to supply these addresses Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Click on Add The DVMRP Tunnel Address window opens 7 Set the following parameters e Local IP Address Remote IP Address Click on Help or see the parameter descriptions beginning on page A 14 8 Click on OK You return to the DVMRP Tunnel Parameters window 4 34 117355 A Rev A Customizing DVMRP Disabling and Reenabling the Tunnel When you configure a tunnel on a circuit the tunnel is enabled by default You can use Site Manager to disable and reenable the tunnel Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Enable parameter Click on Help or see the parameter description on page A 11 7 Click on Apply and then click on Done You return to the Configuration Manager wind
72. ces Customizing Global IGMP When you configure a multicasting protocol on the router IGMP is automatically enabled with default values for all global parameters You customize global IGMP by modifying these parameters as described under the following topics Topic Page Enabling and Disabling IGMP a5 Estimating the Number of Groups 3 6 Specifying a Version Threshold Time 3 8 Configuring Logging 3 9 Enabling Join Acknowledgments 3 10 Specifying a Forwarding Cache Limit S11 3 4 117355 A Rev A Enabling and Disabling IGMP Customizing IGMP When you configure IGMP on the router IGMP is automatically enabled You can use the BCC or Site Manager to disable and reenable IGMP on the router Using the BCC Navigate to the global IGMP prompt and enter state state state is enabled disabled Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Enable parameter Click on Help or see the parameter description on page A 15 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 3 5 Configuring IP Multi
73. cis reit aaeeeiai 1 4 Resource Reservation Protool cia tolonccsdea sre cicaiatiaras casted kinaa aa aa ad aAa 1 4 Bay Networks Resource Manager ccceessecceeeeeeeneeeeeeesenees rer reece meres 1 4 Mulicast He Manager seinors n ee er seT fe eee one ner este rer me reer ere nr ee rece Tye Tr rey 1 5 Chapter 2 Starting Multicasting and Multimedia Services Staring OMP ss cssscciacccmnvecsatamseescdecmueneasadannvesdieieearetiaaeeuyaceransuecisdcdenveeclascameedierenawtinaataars 2 2 SPN TV R E A E A EE E E EET suiandea TENE ACT 2 3 SrO MOS PE anae a pevneecccanaaaeeseteeuiaeaenans adda tabtbieers 2 4 SAO RON aa A 2 5 117355 A Rev A v Chapter 3 Customizing IGMP NP Concepts and TSI WIONI sarrioaren eean 3 2 VEW AEE E E EEEE E lay A E N AE E 3 2 IGMP Host Reports E atuleednabniade ar eens PEET eonan 3 3 Hos Lowo MOn o gt a rp perery tree ter rer re ener reer eer ee ereeter er ter errr te errr errr Te 3 3 Siae ae gE ee IME i cst casts aan A E PE A A spat ubiatteds tints 3 4 Enabingand Disabling GMP ssiri i Aaa 3 5 Estimating the Number Of Groups sarsies anen NENEN inne 3 6 Specifying a Version Threshold Time 2 Gauche E T ee eens seo tela Ce Se aes Logig masae a a ee eer eer ete 3 9 Enabling Join Acknowledgments si casi iaenicertransiichaneee lasts innana iaa iaaa 3 10 Specifying a Forwarding Cache Limit ccccceseeeseceeeseeeeeeeeeeeees E T 3 11 Gustomizmg IGMP onan IMernaCE snocasioarsi i
74. cols and other low level protocols Multicast routers will not forward datagrams with addresses in this range Internet Group Management Protocol The Internet Group Management Protocol IGMP has the following characteristics e Allows a host to register group memberships with the local queries router to receive any datagrams sent to this router and targeted to a group with a specific IP multicast address e Allows a router to learn the existence of group members on its directly attached networks The router periodically sends a general group query message to each of its local networks Any host that is a member of a multicasting group identifies itself by sending a response IGMP is described in Chapter 3 Distance Vector Multicast Routing Protocol DVMRP is a distance vector type of multicast routing protocol It advertises shortest path routes to multicasting source networks that is any network containing hosts that have the capability to issue multicast datagrams In this respect DVMRP is the opposite of RIP which advertises routes to destination networks DVMRYP is described in Chapter 4 117355 A Rev A 1 23 Configuring IP Multicasting and Multimedia Services Multicast Extensions to OSPF Multicasting Extensions to OSPF MOSPF enhances the OSPF protocol by providing capabilities that allow a router to forward multicast IP traffic within an OSPF Version 2 autonomous system For instructions on configuring M
75. ds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Mtrace Entry Lifetime parameter Click on Help or see the parameter description on page A 20 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 3 19 Configuring IP Multicasting and Multimedia Services Configuring a Static Host Entry A network may include a member of a multicast group that is unable to register its group membership with the local IGMP router for example a host that is a member of a multicast group but that is not running IGMP In this situation you can register the group member s network statically on the router A registration entry includes e A group address e An address prefix length e A circuit name You can use Site Manager to supply this information Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Static Groups The IP IGMP Static Groups window opens 6 Set the following parameters
76. 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 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 and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 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 acknowledge 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
77. e 0 to 255 Specifies a TTL value used on this interface for messages this node originates If set to 0 the node determines the TTL via other means This overrides the IP TTL value Set the TTL to 0 if you want the node to use the IP TTL value 1 3 6 1 4 1 18 3 5 16 1 1 6 1 10 Refresh Interval Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces 3000 hundredths of a seconds 30 seconds An integer indicating the refresh interval in hundredths of a second Specifies the minimum period between refresh transmissions of a given PATH or RESV message on an interface Specify the interval in hundredths of a second 1 3 6 1 4 1 18 3 5 16 1 1 6 1 11 Route Delay Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces 200 hundredths of a second 2 seconds An integer indicating the route delay in hundredths of a second Specifies the approximate period from the time a route is changed to the time a resulting message appears on the interface Specify the delay period in hundredths of a second 1 3 6 1 4 1 18 3 5 16 1 1 6 1 12 117355 A Rev A A 35 Configuring IP Multicasting and Multimedia Services Parameter Udp Required Path Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces Default False Options True False Function Specifies whether or not UDP encapsulation is used on this interface Instructions Select True if manual configuration forces RSVP to use UDP encapsulatio
78. e interface connects However you can change the subnet mask with this parameter Specifies the network and subnetwork portion of the 32 bit IP address Either accept the assigned subnet mask or enter another subnet mask in dotted decimal notation Enter 0 0 0 0 if you are configuring an unnumbered interface on the circuit 1 3 6 1 4 1 18 3 5 3 2 1 4 1 6 Transmit Beast Addr Select IP from the Select Protocols window and click on OK 0 0 0 0 0 0 0 0 or any valid IP broadcast address Specifies the broadcast address that this IP subnet uses to broadcast packets Accepting 0 0 0 0 for this parameter specifies that the IP router will use a broadcast address with a host portion of all 1s Accepting 0 0 0 0 does not configure the router to use the address 0 0 0 0 to broadcast packets For example if you have IP address 123 1 1 1 and a subnet mask of 255 255 255 0 accepting the default value 0 0 0 0 configures the IP router to use the address 123 1 1 255 to broadcast packets To set the explicit broadcast address of all 1s enter 255 255 255 255 for this parameter Accept the default 0 0 0 0 unless the calculated broadcast address host portion of all 1s is not adequate If this is the case then enter the appropriate IP broadcast address in dotted decimal notation If you set the IP Address parameter to 0 0 0 0 to configure an unnumbered interface Site Manager automatically sets this parameter to 255 255 255 255 1 3 6 1 4 1 18 3 5 3 2 1 4
79. ed Router Timeout parameter 3 17 A 19 117355 A Rev A Index Deterministic Mcast Hold Down parameter 6 3 A 30 deterministic mode for MOSPF 5 5 Index 1 disabling advertisement of local networks 4 29 deterministic MOSPF 5 5 DVMRP circuit 4 22 DVMRP global 4 9 IGMP global 3 5 IGMP interface 3 13 MOSPF 5 4 multicast support on unicast tunnel 4 23 RSVP on an interface 7 7 tunnels 4 35 UDP encapsulation 7 13 DVMRP accepting report from nonstandard neighbor 4 44 calculating route metric 4 24 choosing a route 4 5 comparing route costs 4 24 cost of a tunnel 4 37 enabling and disabling 4 9 advertisement of local networks 4 29 circuit 4 22 encapsulation mode for multicast datagrams 4 36 estimating number of routes for 4 18 forwarding table size 4 27 listening for default route 4 31 logging debug messages 4 19 number of routes 4 20 probe interval 4 16 route switch interval 4 17 threshold value of tunnel 4 38 tree pruning 4 11 Dynamic TTL parameter 5 8 A 31 Index 2 E Enable parameter DVMRP circuit 4 22 A 7 global 4 9 A 2 tunnel 4 35 A 11 IGMP global 3 5 A 15 interface 3 13 A 18 RSVP 7 7 enabling advertisement of local networks 4 29 deterministic MOSPF 5 5 DVMRP circuit 4 22 DVMRP global 4 9 IGMP global 3 5 IGMP interface 3 13 MOSPF 5 4 MOSPF on an OSPF interface 5 9 multicast support on unicast tunnel 4 23 RSVP on an interface 7 7 tunnels 4 35
80. edia Services Setting the RSVP Default Refresh Timer RSVP sends periodic refresh messages to maintain the state along a reserved path Without periodic refreshment the state automatically times out The refresh timer interval is expressed in hundredths of a second By default the RSVP Refresh Timer is set to 3000 hundredths of a second 30 seconds You can use Site Manager to set the Refresh Timer for an interface You must express the interval in hundredths of a second Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Refresh Interval parameter Click on Help or see the parameter description on page A 35 5 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A Configuring RSVP Setting the RSVP Default Lifetime Multiplier The Lifetime Multiplier is an integer that multiplies the TIME_VALUE object specified in a path or reserve message The resulting value indicates the amount of time that the router will hold the path or reserve state without receiving a refresh message for that state By default the Lifetime Multiplier is 3 You can use Site Manager to specify a multiplier Site Manager Procedure You do this System resp
81. enu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Route Listen parameter Click on Help or see the parameter description on page A 13 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 42 117355 A Rev A Customizing DVMRP Specifying an Encapsulation Mode for Control Messages To maintain backward compatibility with earlier versions of DVMRP DVMRP allows you configure the encapsulation mode for DVMRP control packets You can use the following Site Manager procedure to perform this operation Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Control Message Mode parameter Click on Help or see the parameter description on page A 13 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 43 Configuring IP Multicasting and Multimedia Services Accepting a Report from a Nonstandard DVMRP Neighbor By default DVMRP does not accept a report from a nonstandard DVMRP neighbor A standard DVMRP router does not adverti
82. eout interval from 10 to 8192 seconds Using the BCC Navigate to the IGMP prompt for the interface and enter dr timeout seconds seconds is an interval from 10 to 8192 seconds For example the following command sets the timeout interval to 200 seconds igmp 2 2 2 2 3 dr timeout 200 igmp 2 2 2 2 3 Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Designated Router Timeout parameter Click on Help or see the parameter description on page A 19 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 3 17 Configuring IP Multicasting and Multimedia Services Specifying a Maximum Host Response Time By default a host must wait 100 tenths of a second before responding to a query IGMP places this value in the code field of an IGMP query You can use the BCC or Site Manager to specify a value from one tenth of a second to 100 tenths of a second Using the BCC Navigate to the IGMP prompt for the interface and enter max host response time time is an integer from 1 to 100 specifying the response time in tenths of a second For example
83. er 3 10 A 17 L Largest Bandwidth parameter 8 15 A 28 Largest Buffer parameter 8 16 A 28 Leaf Timeout parameter 4 15 A 3 leaky bucket policing algorithm 8 10 Line Resource Manager policing algorithm 8 7 8 10 Line Resource Manager LRM bandwidth interval 8 8 inflating reservations 8 9 latency for reserved flow packet 8 14 maximum number of unreserved packets in queue 8 11 multiline select algorithms 8 12 multiline threshold bandwidth 8 13 overview 8 2 traffic queuing algorithm 8 6 Local IP Address parameter 4 34 A 14 Log A 33 Log Filter parameter 7 6 A 33 logging IGMP messages 3 9 RSVP messages 7 6 logging debug messages 4 19 LSSR option 4 36 Max Host Response Time parameter 3 18 A 20 Max Queued Multcast Packets parameter 5 7 A 31 Max Routes parameter 4 20 4 21 Metric parameter 4 24 4 37 A 8 A 11 Index 3 MOSPF Multicasting Extensions to OSPF 1 4 deterministic hold down feature 6 3 deterministic mode 5 5 enabling and disabling 5 4 enabling on an OSPF interface 5 9 forwarding timeout value 5 6 nondeterministic mode 5 5 opaque capability enabling on an interface 6 6 globally enabling 6 5 overview 5 1 route pinning 6 4 starting 2 4 types of multicasting support 5 3 Mtrace Entry Lifetime parameter 3 19 A 20 Mtrace utility 3 19 Multicast Deterministic parameter 5 5 A 29 Multicast Extensions parameter 2 4 5 4 A 29 Multicast Forwarding parameter 5 9
84. er Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Reservation Latency parameter Click on Help or see the parameter description on page A 27 4 Click on OK You return to the Configuration Manager window 8 14 117355 A Rev A Reserving Line Resources Setting the Maximum Reservable Bandwidth for a Dataflow By default there is no maximum amount of bandwidth that can be reserved by a flow You can use the following Site Manager procedure to specify the maximum reservable bandwidth Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Largest Bandwidth parameter Click on Help or see the parameter description on page A 28 4 Click on OK You return to the Configuration Manager window 117355 A Rev A 8 15 Configuring IP Multicasting and Multimedia Services Setting the Maximum Buffer Space for a Dataflow By default there is no maximum on the amount of buffer space
85. ervable bandwidth reducing the bandwidth available for other requests 8 2 117355 A Rev A Reserving Line Resources Supported Media You must enable the Resource Manager on 10 Mb s and 100 Mb s Ethernet FDDI MCT1 HSSI and synchronous interfaces that are configured with RSVP The Resource Manager supports the following synchronous interface encapsulation methods e Point to Point Protocol PPP e Bay Networks Standard e FDDI e 100 Mb s Ethernet Note You cannot use line resource management on a line you configured for PPP multilink How the Resource Manager Works with RSVP The exchange between RSVP and the Resource Manager consists of the following steps 1 The router receives an RSVP reserve message The reserve message includes a flow specification flowspec that indicates the resources needed to meet the QoS 2 RSVP passes the flowspec to the Resource Manager 3 The Resource Manager compares the requested resources with available reservable bandwidth The Resource Manager determines reservable bandwidth from configured values described later in this chapter It also accounts for any active reserved flows 4 The Resource Manager either reserves the necessary services or refuses service 117355 A Rev A 8 3 Configuring IP Multicasting and Multimedia Services Setting the Estimated Bandwidth To activate resource reservation specify a line and enter the portion of the line s bandwidth to
86. ervation along the data path at each router Note that reservations from multiple receivers may be merged on their way to the sender of the path message Sender Receiver mM of Receiver oft Receiver Receiver at IP00058A Figure 7 2 RSVP Reserve Message 117355 A Rev A 7 3 Configuring IP Multicasting and Multimedia Services Configuring RSVP Globally When you start RSVP on the router RSVP runs with default values for all global protocols You customize RSVP by modifying parameters as described under the following topics Topic Page Disabling and Reenabling RSVP 7 4 Choosing a Slot 7 5 Configuring RSVP Message Logging 7 6 Disabling and Reenabling RSVP By default RSVP is enabled on the router You can use Site Manager to set the global state of RSVP as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Global The RSVP Base Group Record window opens 4 Set the Enable parameter
87. es to interval seconds The default lt statint gt value is 10 seconds t lt ttl gt Mtrace sets the time to live TTL for multicast trace queries and responses to the value you specify TTL equals the number of hops The default lt tt gt value is 127 hops For local queries to the all queries multicast gtroup the default is 1 hop U Mtrace always requests the response using unicast rather than attempting multicast first V Mtrace uses verbose mode In verbose mode Mtrace shows hop times on the initial trace and statistics display Mtrace also shows the route that was used to forward the initial trace w lt wait gt Mtrace sets the time to wait for a trace response to seconds The default lt wait gt value is 3 seconds lt source gt is the source of the multicast tree lt destination gt is the receiver for a particular multicast group lt group gt is a multicast group The default group is 224 2 0 1 If you do not specify a group Mtrace does not display statistics For example the following mtrace command specfies source 192 32 27 193 destination 192 32 199 162 and group 224 2 0 1 mtrace 192 32 27 193 192 32 199 162 224 2 0 1 Mtrace from 192 32 27 193 to 192 32 199 162 via group 224 2 0 1 Querying full reverse path 0 192 32 199 162 1 192 32 199 162 DVMRP thresh 1 E2 1O 2A 21 93 Round trip time 1039 ms total ttl of 2 required Waiting to accumulate statistics
88. ession you specify session phop oi path resv p lt previous hop gt Retrieves only sessions with a previous hop of lt previous hop gt phop path resv f lt source IP gt lt source port gt Retrieves only oi path or resv information for sessions with a source address of lt source IP gt and optionally a source port of lt source port gt oi path resv n lt next hop gt Retrieves only reservation request information with a next hop of lt next hop gt resv For example the following rsvp command specifies the RSVP previous hops rsvp phop RSVP Previous Hops Session IP dest protocol dest port Previous Hop 229e balet L7 5000 225 1 1 1 17 5000 225 1 1 1 17 5000 199 1 4 5 200 1 1 212 201 1 1 212 3 previous hops matched 117355 A Rev A A addresses multicast 1 3 supplying for tunnel 4 34 Advertise Self parameter 4 29 A 9 Bandwidth A 24 Bandwidth Interval Secs parameter 8 8 A 24 Bay Networks Press xviii border router BR in multicasting 5 2 boundary router ASBR in multicasting 5 2 Cc Circuit Name parameter 3 20 A 17 Control A 13 Control Message Mode parameter 4 43 A 13 customer support programs xix Technical Solutions Centers xix D Debug Level parameter 4 19 A 5 debug messages logging 4 19 Debug parameter 3 9 A 16 default route DVMRP circuit listening for 4 31 Delay A 35 Designat
89. face parameters You customize QOSPF by modifying these parameters as described under the following topics Topic Page Enabling the Deterministic Hold Down Feature 6 3 Enabling Route Pinning 6 4 Enabling the Opaque Capability 6 5 Enabling the Opaque Capability on an Interface 6 6 6 2 117355 A Rev A Configuring QOSPF Enabling the Deterministic Hold Down Feature The deterministic hold down feature ensures that a data flow does not go out an interface unless there is a reservation for the flow on the interface By default the hold down feature is disabled You can use Site Manager to enable this feature Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Deterministic Mcast Hold Down parameter Click on Help or see the parameter description on page A 30 6 Click on OK You return to the Configuration Manager window 117355 A Rev A Configuring IP Multicasting and Multimedia Services Enabling Route Pinning Route pinning ensures that once resource reservations have been established on a route from a source network to a particular receiver the router will not replace that route with a better route unless the e
90. ffice or one of the following numbers Region Telephone number Fax number United States and Canada 800 2LANWAN then enter Express Routing Code ERC 290 when prompted to purchase or renew a service contract 978 916 8880 direct 978 916 3514 Europe 33 4 92 96 69 66 33 4 92 96 69 96 Asia Pacific 61 2 9927 8888 61 2 9927 8899 Latin America 561 988 7661 561 988 7550 Information about customer service is also available on the World Wide Web at support baynetworks com How to Get Help If you purchased a service contract for your Bay Networks product from a distributor or authorized reseller contact the technical support staff for that distributor or reseller for assistance If you purchased a Bay Networks service program call one of the following Bay Networks Technical Solutions Centers Technical Solutions Center Telephone number Fax number Billerica MA 800 2LANWAN 978 916 3514 Santa Clara CA 800 2LANWAN 408 495 1188 Valbonne France 33 4 92 96 69 68 33 4 92 96 69 98 Sydney Australia 61 2 9927 8800 61 2 9927 881 1 Tokyo Japan 81 3 5402 0180 81 3 5402 0173 117355 A Rev A xix Chapter 1 Multicasting and Multimedia Overview This overview covers the following topics Topic Page Multicast Host Groups 1 22 Multic
91. fies the maximum number of unreserved best effort packets to be held in queue for transmission After the queue length reaches this value the router discards best effort traffic when congestion occurs Priority queuing limits if configured override the value of this parameter Change this value to adjust the queue length limit 1 3 6 1 4 1 18 3 5 16 2 1 3 1 10 Multiline Select Algorithm Configuration Manager gt XCVR HSSI MCT1 or COM Connector configured for the RSVP protocol gt Edit Line Resources gt Edit Line Resources First Fit First Fit Round Robin Specifies how the Resource Manager selects which line to use for a new resource request if you have the Resource Manager configured on a multiline circuit Set this parameter only if you configured the Resource Manager on a multiline circuit Select First Fit to always use the first available line that can service reserved traffic requests Select Round Robin to rotate the use of lines available to service requests All lines for a circuit must use the same algorithm If any one line on a circuit specifies First Fit all lines use the first fit algorithm 1 3 6 1 4 1 18 3 5 16 2 1 3 1 11 A 26 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Multiline Threshold Bandwidth Configuration Manager gt
92. fy the number of entries 10 or more Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Estimated Routes parameter Click on Help or see the parameter description on page A 4 7 Click on Save You return to the Configuration Manager window Enter a value that the router can use for preallocating routing tables For an MBone implementation a value of 3000 or higher is recommended Note that routes are kept on a per source network basis independent of multicast groups This number must include a route for every network that is local to a circuit configured for multicasting This allows the router to utilize memory efficiently Exceeding this size during router operation will not cause an error but may cause the router to consume more memory than required 4 18 117355 A Rev A Logging Debugging Messages Customizing DVMRP By default DVMRP does not log debugging messages You can use Site Manager to enable the logging of debugging messages and to specify the level of debug messages Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocol
93. ger window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the TTL parameter Click on Help or see the parameter description on page A 35 5 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 7 11 Configuring IP Multicasting and Multimedia Services Setting the Route Delay Value The route delay value specifies the approximate period that elapses between the time a route is changed to the time a resulting message appears on the interface The route delay is expressed in hundredths of a second By default the route delay is 200 hundredths of a second 2 seconds You can use Site Manager to specify a different delay You must express the delay in hundredths of a second Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Route Delay parameter Click on Help or see the parameter description on page A 35 5 Click on Apply and then click on Done You return to the Configuration Manager window 7 12 117355 A Rev A Configuring RSVP Enabling and Disabling UDP Encapsulation By default RSVP uses UDP encapsulat
94. gnated Router Timeout Interval 3 17 Specifying a Maximum Host Response Time 3 18 Specifying the Lifetime of a Cache Entry for Mtrace 3 19 3 12 117355 A Rev A Customizing IGMP Enabling and Disabling IGMP on an Interface When you add a multicasting protocol to an IP interface IGMP is automatically enabled on the interface Note IGMP is required for multicasting to function on the interface You can use the BCC or Site Manager to disable and reenable IGMP on the interface Using the BCC Navigate to the IGMP prompt for the interface and enter state state state is enabled disabled Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Enable parameter Click on Help or see the parameter description on page A 18 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 3 13 Configuring IP Multicasting and Multimedia Services Specifying a Query Rate By default IGMP sends a group membership query on the interface every 120 seconds Specifying zero disables queries only The router still forwards multi
95. he security of its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files data or programs 4 Limitation of liability IN NO EVENT WILL BAY NETWORKS OR ITS LICENSORS BE LIABLE FOR ANY COST OF SUBSTITUTE PROCUREMENT SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES RESULTING FROM INACCURATE OR LOST DATA OR LOSS OF USE OR 117355 A Rev A jii PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE EVEN IF BAY NETWORKS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF BAY NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO BAY NETWORKS FOR THE SOFTWARE LICENSE 5 Government Licensees This provision applies to all Software and documentation acquired directly or indirectly by or on behalf of the United States Government The Software and documentation are commercial products licensed on the open market at market prices and were developed entirely at private expense and without the use of any U S Government funds The license to the U S Government is granted only with restricted rights and use duplication or disclosure by the U S Government is subject to the restrictions set forth in subparagraph c 1 of the Commercial Computer Software Restricted Rights clause of FAR 52 227 19 and the limitations set out in this license for civilian agencies and subparagraph c
96. hole or in part The Software and user manuals embody Bay Networks and its licensors confidential and proprietary intellectual property Licensee shall not sublicense assign or otherwise disclose to any third party the Software or any information about the operation design performance or implementation of the Software and user manuals that is confidential to Bay Networks and its licensors however Licensee may grant permission to its consultants subcontractors and agents to use the Software at Licensee s facility provided they have agreed to use the Software only in accordance with the terms of this license 3 Limited warranty Bay Networks warrants each item of Software as delivered by Bay Networks and properly installed and operated on Bay Networks hardware or other equipment it is originally licensed for to function substantially as described in its accompanying user manual during its warranty period which begins on the date Software is first shipped to Licensee If any item of Software fails to so function during its warranty period as the sole remedy Bay Networks will at its discretion provide a suitable fix patch or workaround for the problem that may be included in a future Software release Bay Networks further warrants to Licensee that the media on which the Software is provided will be free from defects in materials and workmanship under normal use for a period of 90 days from the date Software is first shipped to Licensee Ba
97. id for 260 seconds without the receipt of a subsequent report for that group You can use the BCC or Site Manager to specify an interval from 50 to 8192 seconds Using the BCC Navigate to the IGMP prompt for the interface and enter membership timeout seconds seconds is a period from 50 to 8192 seconds For example the following command specifies a membership timeout period of 300 seconds igmp 2 2 2 2 3 membership timeout 300 igmp 2 2 2 2 3 Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Entry The IGMP Entry Interface Parameters window opens 6 Set the Interface Membership Timeout parameter Click on Help or see the parameter description on page A 19 7 Click on Apply and then click on Done You return to the Configuration Manager window 3 16 117355 A Rev A Customizing IGMP Specifying a Designated Router Timeout Interval By default 140 seconds can elapse after the last host query message before IGMP considers the designated router to be down The value you specify should be greater than the query rate of all IGMP routers on the network The suggested value is 2 Query Rate 20 You can use the BCC or Site Manager to specify a tim
98. iently Exceeding this size during router operation will not cause an error but may cause the router to consume more memory than required The following groups are not maintained by IGMP you do not need to include them in the count 224 0 0 1 224 0 0 4 224 0 0 5 and 224 0 0 6 1 3 6 1 4 1 18 3 5 3 13 1 4 Version Threshold Time Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global 540 1 to 65535 seconds The number of seconds that can elapse after IGMP detects a Version 1 query before IGMP tries to become the designated querier The value you specify should be greater than the Version 1 query rate of all IGMP speakers on all networks directly connected to the router 1 3 6 1 4 1 18 3 5 3 13 1 5 Debug Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global None Receive Send Other Causes IGMP to generate the specified log messages Specify zero or more options Set this parameter to Receive to log messages received Set the parameter to Send to log messages sent Set the parameter to Other to log other types of IGMP messages 1 3 6 1 4 1 18 3 5 3 13 1 6 A 16 117355 A Rev A Site Manager Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Join Ack Enable Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global
99. ies the level of debug messages By default 0 the log is turned off Specify a level only when directed by Customer Support personnel to investigate a problem 1 3 6 1 4 1 18 3 5 3 12 1 14 117355 A Rev A A 5 Configuring IP Multicasting and Multimedia 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 Pruning Enable Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global Enable Enable Disable Enables or disables pruning functionality on the router DVMRP performs route pruning by default If you want to disable this function on the router select Disable 1 3 6 1 4 1 18 3 5 3 12 1 15 Max Routes Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 0 0 or an integer Specifies the number of routes that DVMRP can learn per slot This parameter limits the number of routes that can be stored in the routing table If you want DVMRP to store all learned routes in the routing table use the default 0 If you specify a maximum number of routes you must include a route for every local network that has a circuit configured for multicasting 1 3 6 1 4 1 18 3 5 3 12 1 17 Policy Enable Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt
100. ies a maximum value for the amount of time that a host must wait before responding to a query IGMP places this value in the code field of an IGMP query Specify a maximum response time for this interface 1 3 6 1 4 1 18 3 5 3 13 2 1 15 Mtrace Entry Lifetime Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry 30 seconds 30 to 8192 seconds Specifies the amount of time that a router should keep a forwarding cache entry that was created specifically for Mtrace Specify an Mtrace lifetime value for the interface 1 3 6 1 4 1 18 3 5 3 13 2 1 18 IP Configuration Parameters Parameter Path Default Options Function Instructions MIB Object ID IP Address Select IP from the Select Protocols window and click on OK None 0 0 0 0 or any valid IP address Assigns a 32 bit IP address to the interface Enter the IP address of the interface in dotted decimal notation Enter 0 0 0 0 to configure an unnumbered interface on the circuit 1 3 6 1 4 1 18 3 5 3 2 1 4 1 4 A 20 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Subnet Mask Select IP from the Select Protocols window and click on OK None The Configuration Manager automatically calculates an appropriate subnet mask depending on the class of the network to which th
101. ing and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Garbage Timeout Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 340 40 to 8000 seconds Specifies the duration of time that this route will be included in routing updates without the receipt of a subsequent update indicating that the route is reachable The difference between this value and the Route Expiration Timeout value represents the duration of time that the route will be advertised as unreachable without subsequent refreshment Enter a value that is greater than the value you specified for Route Expiration Timeout to allow for sufficient time for the route to be advertised as unreachable 1 3 6 1 4 1 18 3 5 3 12 1 9 Estimated Routes Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 25 An integer of 10 or greater Specifies the estimated number of routes Enter a value that the router can use for preallocating routing tables For an MBone implementation a value of 3000 or higher is recommended Note that routes are kept on a per source network basis independent of multicast groups This number must include a route for every network that is local to a circuit configured for multicasting This allows the router to utilize memory efficiently Exceeding this size during
102. ingle computer or if applicable on a single authorized device identified by host ID for which it was originally acquired b to copy the Software solely for backup purposes in support of authorized use of the Software and c to use and copy the associated user manual solely in support of authorized use of the Software by Licensee This license applies to the Software only and does not extend to Bay Networks Agent software or other Bay Networks software products Bay Networks Agent software or other Bay Networks software products are licensed for use under the terms of the applicable Bay Networks Inc Software License Agreement that accompanies such software and upon payment by the end user of the applicable license fees for such software 2 Restrictions on use reservation of rights The Software and user manuals are protected under copyright laws Bay Networks and or its licensors retain all title and ownership in both the Software and user manuals including any revisions made by Bay Networks or its licensors The copyright notice must be reproduced and included with any copy of any portion of the Software or user manuals Licensee may not modify translate decompile disassemble use for any competitive analysis reverse engineer distribute or create derivative works from the Software or user manuals or any copy in whole or in part Except as expressly provided in this Agreement Licensee may not copy or transfer the Software or user manuals in w
103. ion Protocol See RSVP Resource Reservation Protocol 117355 A Rev A RFC 1075 4 36 Round Robin multiline select algorithm 8 12 Route Delay parameter 7 12 A 35 Route Depend Probe parameter 4 32 A 14 Route Enable parameter 4 23 A 7 Route Expiration Timeout parameter 4 12 A 3 Route Listen parameter 4 31 4 42 A 10 Route Supply parameter 4 30 4 41 A 9 Route Switch Timeout parameter 4 17 A 5 RSVP Resource ReSerVation Protocol estimating bandwidth 8 4 setting reservable bandwidth 8 5 starting 2 5 RSVP Resource Reservation Protocol configuring with the Technician Interface 1 4 enabling and disabling 7 7 function 7 1 lifetime multiplier 7 9 loading on a slot 7 5 logging messages 7 6 refresh blockade multiplier 7 10 refresh timer 7 8 route delay value 7 12 TTL override 7 11 UDP encapsulation 7 13 S Soloist Slots parameter 7 5 source network defined 4 4 starting DVMRP 2 3 MOSPF 2 4 RSVP 2 5 Static Group Address parameter 3 20 A 18 Subnet Mask parameter IP Configuration IGMP and DVMRP 2 3 RSVP 2 5 117355 A Rev A T Technical Solutions Centers xix Threshold parameter 4 26 4 38 A 8 A 12 threshold values function of 4 25 Timeout Value parameter 5 6 A 30 timer garbage 4 13 leaf 4 15 neighbor report 4 14 route expiration 4 12 RSVP default refresh 7 8 traffic filters affect on multicast data packets 1 2 Traffic Queuing Algorithm parameter 8 6 A 23
104. ion on this interface only if it determines that a neighbor on the interface uses UDP encapsulation Enable this feature on the interface if manual configuration requires UDP encapsulation You can use Site Manager to enable and disable UDP encapsulation on the interface Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Udp Required parameter Click on Help or see the parameter description on page A 36 5 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 7 13 Chapter 8 Reserving Line Resources This chapter covers the following topics Topic Page About Line Resource Reservation 8 2 Setting the Estimated Bandwidth 8 4 Setting the Reservable Bandwidth 8 5 Specifying the Traffic Queuing Algorithm 8 6 Specifying the LRM Policing Algorithm 8 7 Setting the Bandwidth Interval 8 8 Setting the Inflate Reservations Percentage 8 9 Specifying the Unreserved Policing Algorithm 8 10 Specifying the Unreserved Queue Length 8 11 Specifying the Multiline Select Algorithm 8 12 Setting the Multiline Threshold Bandwidth 8 13 Setting the Reservation Latency 8 14 Setting the
105. is System responds 1 Configure OSPF on the router as described in Configuring IP Services 2 Inthe Configuration Manager window The Protocols menu opens choose Protocols Choose IP The IP menu opens 4 Choose OSPF The OSPF menu opens 5 Choose Global The Edit OSPF Global Parameters window opens 6 Click on the Multicast Extensions parameter Click on Help or see the parameter description on page A 29 7 Choose the type of MOSPF you want to configure and then click on OK 2 30 117355 A Rev A Starting Multicasting and Multimedia Services Starting RSVP To start RSVP on the router 1 Configure a circuit on a slot and connector 2 Configure an IP interface on the circuit 3 Add RSVP to the IP interface For information and instructions on using Site Manager to configure a circuit on a slot and connector see see Configuring WAN Line Services or Configuring Ethernet FDDI and Token Ring Services When you have successfully configured the circuit the Select Protocols window opens Proceed as follows Site Manager Procedure You do this System responds 1 Inthe Select Protocols window choose The IP Configuration window opens the following protocols gt IP e RSVP Then click on OK 2 Set the following parameters IP Address e Subnet Mask Transmit Beast Addr UnNumbered Assoc Address Click on Help or see the parameter descriptions beginning on page
106. make available for RSVP requests Enter an estimated total bandwidth for this line from 0 to 214748364 b s To enable line resource management enter a value greater than 0 For point to point lines you can usually enter the total line speed For an Ethernet line you must estimate a value because shared media lines may not have all of the bandwidth available Base the estimate on line statistics the number of connected workstations or other site specific information Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Estimated Bandwidth parameter Click on Help or see the parameter description on page A 22 4 Click on OK You return to the Configuration Manager window 117355 A Rev A Reserving Line Resources Setting the Reservable Bandwidth To enable RSVP reservable resources specify the portion of this line s bandwidth to make available for RSVP requests for guaranteed service The value can be any integer from 0 to 214748364 b s and must be less than the value of the Estimated Bandwidth parameter Caution Never make all available bandwidth reservable Leave at least 15 percent of bandwidth available for network management routi
107. meters DVMRP Global Parameters 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 IP gt Multicast gt DVMRP gt Global Enable Enable Disable Enables and disables DVMRP support on the router To disable DVMRP once you have configured it on the router specify Disable 1 3 6 1 4 1 18 3 5 3 12 1 2 Full Update Interval Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 60 10 to 2000 seconds Specifies how often routing messages containing complete routing tables are sent Determine the full update interval you require and specify a value 1 3 6 1 4 1 18 3 5 3 12 1 4 Triggered Update Interval Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 5 5 or more seconds Specifies the minimum amount of time between triggered updates Triggered updates are sent in the period between full updates Issuing a full update restarts the triggered update timer Therefore the triggered update interval you specify must be shorter than the full update interval you specified with the Full Update Interval parameter 1 3 6 1 4 1 18 3 5 3 12 1 5 A 2 117355 A Rev A Parameter Path Default Options Function Instructi
108. multicast address Bay Networks routers support IGMP Version 2 A router communicates with the hosts on a local network by sending IGMP queries Hosts respond by issuing IGMP reports This section covers the following topics Topic Page IGMP Queries 3 2 IGMP Host Reports 3 3 Host Leave Messages 3 3 IGMP Queries A router running IGMP periodically sends host membership queries to its attached local networks Routers that conform to RFC 1112 generate Version 1 queries Bay Networks routers configured with IGMP generate Version 2 queries If multiple IGMP routers exist on the network Bay Networks routers designate one router to send host member questions using the following rules e Choose a router that generates Version 1 queries over a router that generates Version 2 queries e Choose the router with the lowest IP address 3 2 117355 A Rev A Customizing IGMP IGMP Host Reports A host that receives a membership query from a local router can respond with a host membership report one report for each joined multicast group A host that receives a query delays its reply by a random interval and listens for a reply from any other host in the same host group Consider a network that includes two host members Host A and Host B of the same multicast group The router sends out a host membership query on the local network Host A and Host B both receive the query and listen on the network for
109. n Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Multicast Extensions Configuration Manager gt Protocols gt IP gt OSPF gt Global 0 0 no multicast forwarding is enabled 1 intra area multicasting only 3 intra area and inter area multicasting 5 intra area and inter AS multicasting 7 multicasting everywhere Enables OSPF multicast extensions and specifies the type of multicasting Set the parameter as required 1 3 6 1 4 1 18 3 5 3 2 3 1 19 Multicast Deterministic Configuration Manager gt Protocols gt IP gt OSPF gt Global Nondeterministic Nondeterministic Deterministicstrict Deterministicloose Selects the MOSPF mode Select the appropriate variation of the Dykstra algorithm 1 3 6 1 4 1 18 3 5 3 2 3 1 20 Multicast Route Pinning Configuration Manager gt Protocols gt IP gt OSPF gt Global Nonpinned Nonpinned Pinned Selects pinned or nonpinned mode Select the appropriate variation of the Dykstra algorithm 1 3 6 1 4 1 18 3 5 3 2 3 1 21 117355 A Rev A A 29 Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instruc
110. n Meaning e lt extra_hops gt Mtrace tries to trace extra hops past a nonresponding router The lt extrahops gt value is an integer g lt gateway gt Mtrace sends the trace query via a unicast packet directly to the multicast router lt gateway gt you specify i lt if_addr gt Mtrace uses lt f_address gt as the local interface address for sending the trace query and as the default address for the receiver and the response destination The lt if_address gt is an IP address in dotted decimal notation M Mtrace requests the response using a multicast address m lt max_hops gt Mtrace sets to integer the maximum number of hops that are traced from the receiver back to the source The default lt max_hops gt value is 32 q lt nqueries gt Mtrace sets the maximum number of query attempts to integer The default for lt nqueries gt value is 3 r lt resp_desi gt Mtrace sends the trace response to host that is the response destination rather than to the host on which Mtrace is running or to a multicast address other than the one regisitered for this purpose 224 0 1 32 S Mtrace prints a short form output including only the multicast path and not the packet rate and loss statistics continued 117355 A Rev A Multicasting Tools Table B 1 Meanings of Mitrace Options continued Option Meaning S lt statint gt Change the interval between statistics gathering trac
111. n on the interface Select False to disable UDP encapsulation If you select False RSVP uses UDP encapsulation only if it determines that a neighbor on this interface also uses UDP encapsulation MIB Object ID 1 3 6 1 4 1 18 3 5 16 1 1 6 1 13 A 36 117355 A Rev A Appendix B Multicasting Tools This appendix describes Bay Networks Technician Interface tools that allow you to troubleshoot a multicast network To use the tools issue the following Technician Interface commands Multicast Commands Page mtrace B 2 mrinfo B 4 rsvp B 5 117355 A Rev A B 1 Configuring IP Multicasting and Multimedia Services mtrace The mtrace command allows you trace the branch of a multicast tree from a source to a receiver for a particular multicast group Each branch of the tree is a data path consisting of multiple hops Mtrace displays statistics about packet rates and losses for each hop along the path To display Mtrace information enter the mtrace command at the Technician Interface as follows mtrace lt options gt lt source gt lt receiver gt lt group gt lt options gt e lt extra_hops gt g lt gateway gt i lt if_addr gt M m lt max_hops gt q lt nqueries gt r lt resp_dest gt s S lt statint gt t lt tth U v w lt wait gt Table B 1 explains the meanings of each mtrace option in more detail Table B 1 Meanings of Mtrace Options Optio
112. ng protocols and other best effort traffic Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Reservable Bandwidth parameter Click on Help or see the parameter description on page A 23 4 Click on OK You return to the Configuration Manager window 117355 A Rev A 8 5 Configuring IP Multicasting and Multimedia Services Specifying the Traffic Queuing Algorithm By default the Line Resource Manager LRM uses best effort scheduling for all reserved traffic You can select a priority queuing algorithm to schedule reserved traffic ahead of unreserved traffic Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Traffic Queuing Algorithm parameter Click on Help or see the parameter description on page A 23 4 Click on OK You return to the Configuration Manager window 8 6 117355 A Rev A Reserving Line Resources Specifying the LRM Policing Algorithm
113. o this System responds configured for RSVP 1 In the Configuration Manager window click on any connector for a line that is The Edit Connector window opens Connector window 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens 3 Set the Bandwidth Interval Secs parameter Click on Help or see the parameter description on page A 24 4 Click on OK You return to the Configuration Manager window 8 8 117355 A Rev A Reserving Line Resources Setting the Inflate Reservations Percentage By default LRM does not add a safety tolerance to each RSVP reservation on a line To inflate or overallocate reservations made on this line enter a percent value to increase each bandwidth request Increase the value of this parameter if you notice that LRM is discarding packets because applications generating reserved traffic are exceeding their flowspecs Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Inflate Reservations Percentage parameter Click on Help or see the parameter description on page A 25 4 Click on OK You return to the Configuration Manager window 117355 A
114. on which the multicast group member resides 1 3 6 1 4 1 18 3 5 3 13 4 1 3 Prefix Length Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Global None The length of the address prefix Specifies the length of the prefix of the multicast group address Use the Static Group parameters to manually register the network on which the multicast group member resides 1 3 6 1 4 1 18 3 5 3 13 4 1 4 IGMP Entry Interface Parameters Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry Enable Enable Disable Indicates whether this IGMP interface record is enabled or disabled If you configured IGMP on this interface use this parameter to disable it 1 3 6 1 4 1 18 3 5 3 13 2 1 2 A 18 117355 A Rev A Site Manager Parameters 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 Interface Query Rate Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry 120 0 to 4096 seconds Specifies how often the router sends group membership queries on the interface If there are no multicast hosts on this circuit set the parameter to 0 to disable queries Specifying 0 affec
115. onds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Refresh Multiple parameter Click on Help or see the parameter description on page A 34 5 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 7 9 Configuring IP Multicasting and Multimedia Services Setting the RSVP Refresh Blockade Multiplier By default an RSVP interface in the blockade state will stay alive for three refresh intervals You can use Site Manager to set the refresh blockade multiplier Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Refresh Blockade Multiple parameter Click on Help or see the parameter description on page A 34 5 Click on Apply and then click on Done You return to the Configuration Manager window 7 10 117355 A Rev A Configuring RSVP Setting the TTL Override By default RSVP uses the IP TTL value You can use Site Manager to override this value Site Manager Procedure You do this System responds 1 Inthe Configuration Mana
116. onfiguration Manager window 4 30 117355 A Rev A Listening for a Default Route Customizing DVMRP By default DVMRP does not listen for a default route on this circuit You can use Site Manager to enable and disable this feature as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Route Listen parameter Click on Help or see the parameter description on page A 10 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 31 Configuring IP Multicasting and Multimedia Services Accepting a Report from a Nonstandard DVMRP Neighbor By default DVMRP does not accept a report from a nonstandard DVMRP neighbor A standard DVMRP router does not advertise a route report before sending a probe message to a neighbor DVMRP uses the probe message to learn the neighbor s capability Some routers however send only route reports they do not send probes If you want DVMRP to communicate with nonstandard DVMRP routers be sure to set the Route Depend Probe parameter to Enable You can use Site Manager to enable and disable this featu
117. ons MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Leaf Timeout Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 200 25 to 4000 seconds Specifies a value for the Leaf Timeout timer Determine the timer interval you require and specify a value 1 3 6 1 4 1 18 3 5 3 12 1 6 Neighbor Timeout Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 140 40 to 8000 seconds Specifies how long a connection with a router neighbor is considered active without receiving a subsequent probe or report from the neighbor Determine a neighbor timeout period and specify a value 1 3 6 1 4 1 18 3 5 3 12 1 7 Route Expiration Timeout Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Global 200 20 to 4000 seconds Specifies how long a route is considered valid without the receipt of a subsequent update indicating that the route is reachable This value represents the duration of time that this route will be used Upon expiration of this timer this route is advertised as unreachable until it is refreshed or deleted Enter a value that represents the duration of time this route will be used without being refreshed 1 3 6 1 4 1 18 3 5 3 12 1 8 117355 A Rev A A 3 Configuring IP Multicast
118. or tracing routes e Maintains a multicast forwarding cache e Forwards multicast traffic 117355 A Rev A 1 25 Chapter 2 Starting Multicasting and Multimedia Services This chapter explains how to perform a basic configuration that is a configuration using all available defaults for the IP multicast services described in this manual Topic Page Starting IGMP 2 28 Starting DVMRP 2 29 Starting MOSPF 2 30 Starting RSVP 2 31 2 27 117355 A Rev A Configuring IP Multicasting and Multimedia Services Starting IGMP When you configure any multicasting protocol described in this manual Site Manager automatically configures IGMP on the slot and circuit IGMP is required for all types of multicasting If you want the router to receive and forward multicast packets that is packets with destination addresses from 224 0 0 255 to 239 255 255 255 IGMP must be running on the slot and circuit even if the circuit is a point to point circuit that will not be involved in IGMP group queries and join messages 2 28 117355 A Rev A Starting Multicasting and Multimedia Services Starting DVMRP To start DVMRP on the router 1 Configure a circuit on a slot and connector 2 Configure an IP interface on the circuit 3 Add DVMRP to the IP interface For information and instructions on using Site Manager to configure a circuit on a slot and connector see Configuring WAN Line Services or
119. ow 117355 A Rev A 4 35 Configuring IP Multicasting and Multimedia Services Choosing the Encapsulation Mode By default DVMRP encapsulates a tunneled multicast datagram in an IP unicast datagram Using Site Manager you can configure DVMRP to loosely encapsulate multicast datagrams using the LSSR option Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Encapsulation Mode parameter Click on Help or see the parameter description on page A 11 7 Click on Apply and then click on Done You return to the Configuration Manager window See RFC 1075 for information about the LSSR option which is provided for backward compatibility 4 36 117355 A Rev A Customizing DVMRP Specifying the Cost By default DVMRP assigns a metric of 1 to a tunnel You can use Site Manager to specify a cost value from 1 to 31 Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The
120. pens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Route Expiration Timeout parameter Click on Help or see the parameter description on page A 3 7 Click on Save You return to the Configuration Manager window 117355 A Rev A Customizing DVMRP Setting the Garbage Timer The garbage timer determines how long DVMRP advertises a route as unreachable before it removes the route from the routing table The difference between this value and the route expiration timeout value represents the time period that the route will be advertised as unreachable without subsequent refreshment By default DVMRP sets the garbage timer to 340 seconds You can use Site Manager to set the value from 40 to 8000 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Garbage Timeout parameter Click on Help or see the parameter description on page A 4 7 Click on Save You return to the Configuration Manager window Enter a value that is greater than the value you specified for the route expiration timer to allow enough time for the route to be advertised as unreachable
121. pply and then click on Done You return to the Configuration Manager window 4 24 117355 A Rev A Customizing DVMRP Specifying a Threshold Threshold values control the scope of datagram delivery The threshold is the minimum IP TTL required for a multicast datagram to be forwarded out a given interface For mrouted compatibility multicast datagrams originated by the router have a TTL of 1 These datagrams are not compared against the TTL Unicast datagrams originated by the router for example for route reports issued via a tunnel have a TTL of 255 A datagram that is to be forwarded through a tunnel is first compared against the threshold and if accepted is then encapsulated in an IP datagram with a TTL of 64 Table 4 2 lists e Originating TTL values recommended for certain types of multicast applications e Threshold values recommended for routers to permit the forwarding of packets from these applications These values are recommended for topologies that will connect to the MBone Table 4 2 Recommended TTL and Threshold Values Multicast Application TTL Threshold IETF channel 1 low rate GSM audio 255 224 IETF channel 2 low rate GSM audio 223 192 IETF channel 1 PCM audio 191 160 IETF channel 2 PCM audio 159 128 IETF channel 1 video 127 96 IETF channel 2 video 95 64 Local event audio 63 32 Local event video 31 1 117355 A Rev A 4 25 Configuring IP Multic
122. r window 117355 A Rev A 6 5 Configuring IP Multicasting and Multimedia Services Enabling the Opaque Capability on an Interface By default if you have enabled the OSPF opaque capability globally the feature is turned on for each OSPF interface You can use Site Manager to set the state of the opaque capability as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens Choose IP The IP menu opens Choose OSPF The OSPF menu opens Choose Interfaces The Edit OSPF Interfaces window opens aT o py Set the Opaque On parameter Click on Help or see the parameter description on page A 32 Click on Apply and then click on Done You return to the Configuration Manager window 6 6 117355 A Rev A Chapter 7 Configuring RSVP The Resource Reservation Protocol RSVP allows host systems in an IP network to reserve resources on RSVP capable routers for e Unicast dataflows e Multicast dataflows A dataflow is a transmission of packets from a source to one or more destinations requiring a specific QoS This chapter covers the following topics Topic Page How RSVP Works 7 2 Configuring RSVP Globally 7 4 Configuring RSVP on an Interface 7 7 117355 A Rev A 7 1 Configuring IP Multicasting and Multimedia Service
123. r of entries allowed in the forwarding table associated with this interface When configuring a cache size you must also keep in mind the TTL value for entries If you specify a large cache size a larger TTL value is recommended For a smaller cache a shorter TTL for cache entries is recommended 1 3 6 1 4 1 18 3 5 3 12 2 1 14 A 8 117355 A 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 Site Manager Parameters Forward Cache TTL Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit 700 300 to 86400 seconds Specifies the TTL for an entry in the forwarding table If your neighbor is running DVMRP mrouted Bay Networks recommends a TTL value of 300 seconds 1 3 6 1 4 1 18 3 5 3 12 2 1 15 Advertise Self Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Advertise Advertise Do Not Advertise Specifies whether the router advertises its own local networks over this interface If you do not want routes advertised over a particular interface set that interface to Do Not Advertise 1 3 6 1 4 1 18 3 5 3 12 2 1 16 Route Supply Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit Disable Enable Disable Supplies the
124. r to forward multicast IP traffic within an OSPF Version 2 AS An OSPF environment typically consists of an AS divided into multiple areas connected by an OSPF backbone You can configure an OSPF MOSPF router as a e Miulticasting internal router IR that establishes neighbor relationships with adjacent routers within an area e Multicasting border router BR with interfaces to one or more areas and to the OSPF backbone e Multicasting boundary router ASBR with one or more interfaces to external autonomous systems Figure 5 1 shows an OSPF MOSPF AS consisting of two OSPF areas connected by an OSPF backbone 5 2 117355 A Rev A ect te ee ee ee ee ee ee ee ee ee ee ee errr Customizing OSPF Multicast Extensions External ASBR Key IR BR ASBR Boundary router Figure 5 1 Area 0 0 0 1 Internal router Border router Backbone Area 0 0 0 0 External network IP0055A OSPF Autonomous Systems MOSPF supports four types of multicasting Intra area multicasting for OSPF internal routers Intra area and inter area multicasting for OSPF border routers Intra area and inter AS multicasting for OSPF boundary routers All multicasting types 117355 A Rev A Configuring IP Multicasting and Multimedia Services Configuring MOSPF Globally You can use Site Manager to add MOSPF extensions to OSPF Site Manager Procedure You do this System respond
125. re as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Route Depend Probe parameter Click on Help or see the parameter description on page A 10 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 32 117355 A Rev A Configuring a Tunnel Customizing DVMRP You configure a DVMRP tunnel by setting parameters as described under the following topics Topic Page Supplying Addresses for the Tunnel 4 34 Disabling and Reenabling the Tunnel 4 35 Choosing the Encapsulation Mode 4 36 Specifying the Cost 4 37 Specifying a TTL 4 38 Configuring a Forwarding Table for the Tunnel 4 39 Advertising a Default Route 4 41 Listening for a Default Route 4 42 Specifying an Encapsulation Mode for Control Messages 4 43 Accepting a Report from a Nonstandard DVMRP Neighbor 4 44 117355 A Rev A 4 33 Configuring IP Multicasting and Multimedia Services Supplying Addresses for the Tunnel To identify a unicast tunnel you must supply the unicast IP address of both ends of the tunnel the local interfa
126. rms file and directory names and book titles quotation marks Indicate the title of a chapter or section within a book xvi 117355 A Rev A screen text separator gt vertical line I Acronyms AUI BootP BRI CCITT CSMA CD DLCMI GUI HDLC IP ISDN ISO ITU T LAN MAC MAU MDI X NBMA About This Guide Indicates data that appears on the screen 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 Attachment Unit Interface Bootstrap Protocol Basic Rate Interface International Telegraph and Telephone Consultative Committee now ITU T carrier sense multiple access with collision detection Data Link Control Management Interface graphical user interface high level data link control Internet Protocol Integrated Services Digital Network International Organization for Standardization International Telecommunications Union Telecommunications formerly CCITT local area network media access control
127. rtadendetinceiaatinshilioae 5 3 ROPE TONG isnon en ear A EEE EE AASER 6 2 RSF Fa MRSS OS ainarra aan 7 2 RSVP Reserve Message 00 E E A E E E 7 3 xi Tables Table 4 1 Parte ota Routing Tabe ENY aad sciiese sd cen enidatesiehetrenieiuatuldet ed 4 6 Table 4 2 Recommended TTL and Threshold Values ceeseeeseeeeseeeneeeeseeees 4 25 Table B 1 Miate Command GINS coheed sctconncteicwcbicicicissncedncs ETA B 2 Table B 2 Mine Cammend SIU ONS sarnasena mainder ese B 4 117355 A Rev A xiii About This Guide If you are responsible for configuring IGMP DVMRP MOSPF QOSPF RSVP or line services you need to read this guide You can now use the Bay Command Console BCC to customize IGMP on a router In this guide you will find instructions for using both the BCC and Site Manager for IGMP If you want to Go to Learn about IP multicasting and multimedia services Chapter 1 Start IP multicasting and multimedia services on the router Chapter 2 Customize IGMP Chapter 3 Configure and customize DVMRP Chapter 4 Configure and customize MOSPF Chapter 5 Configure and customize QOSPF Chapter 6 Configure and customize RSVP Chapter 7 Reserve line resources on the router Chapter 8 Obtain information about Site Manager parameters this is the same Appendix A information you obtain using Site Manager online Help Use multicasting tools Appendix B 117355 A Rev
128. ructions MIB Object ID Report Depend Probe Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt tunnel Disable Enable Disable Specifies the conditions under which DVMRP accepts a route report According to the protocol DVMRP must send a probe packet before sending the route report packet to its neighbors Some vendor implementations however do not send probes before sending reports By default DVMRP processes all received route reports Enable this feature if you want DVMRP to process only routes received from neighbors that have sent probe packets in accordance with the protocol 1 3 6 1 4 1 18 3 5 3 12 3 1 28 Local IP Address Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel gt Click on Add Null The unicast IP address of an interface on a circuit supporting multicasting on the local router Identifies the local end of the tunnel To identify a unicast tunnel you must supply the unicast IP address of both ends of the tunnel the local interface and the remote interface Use this parameter to enter the local IP address 1 3 6 1 4 1 18 3 5 3 12 3 1 4 A 14 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Remote IP Address Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel gt Click on Add Null The unicast IP address of an interface supporting
129. s The Protocols menu opens 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Debug Level parameter Click on Help or see the parameter description on page A 5 7 Click on Save You return to the Configuration Manager window 117355 A Rev A 4 19 Configuring IP Multicasting and Multimedia Services Specifying the Maximum Number of Routes By default DVMRP stores all learned routes in the routing table You can use Site Manager to specify the number of routes that DVMRP can learn per slot This parameter limits the number of routes that can be stored in the routing table Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Max Routes parameter Click on Help or see the parameter description on page A 6 7 Click on Save You return to the Configuration Manager window If you specify a maximum number of routes you must include a route for every local network that has a circuit configured for multicasting 4 20 117355 A Rev A
130. s How RSVP Works Sender SN Receiver aS Figure 7 1 A network host that wants to establish a dataflow with a specified QoS sends an RSVP path message addressed to a potential receiving host or group of hosts In Figure 7 1 for example a host sends a multicast RSVP path message to a group of four hosts Routers in the network receive the multicast RSVP messages and forward them to the next hop router until the messages reach their host destinations The sequence of networks and routers that a path message traverses from source to destination establishes the path for the proposed dataflow Receiver Se Receiver Se Receiver IPOOOS7A RSVP Path Message 7 2 117355 A Rev A Configuring RSVP A network host that receives an RSVP path message decides whether it wants to receive data on the proposed dataflow If so the host returns an RSVP reserve message In Figure 7 2 for example each host that has received an RSVP path message returns a reserve message Each router in the network 1 Passes the reservation request to the local Circuit Resource Manager CRM 2 Forwards the reservation request to the previous hop in the flow as determined by the earlier path message In this manner the reserve message traces the data path set up by the corresponding path message and establishes resource res
131. s 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Multicast Extensions parameter Click on Help or see the parameter description on page A 29 6 Click on OK You return to the Configuration Manager window After you configure OSPF with multicast extensions you can set multicast global parameters as described under the following topics Topic Page Enabling Deterministic Multicasting 25 Specifying a Forwarding Timeout Value 5 6 Specifying a Maximum Number of Queued Packets 5 7 Enabling Dynamic TTL 5 8 Note MOSPF will not forward datagrams out an interface until multicast forwarding is enabled on the interface For instructions refer to Configuring Multicast Forwarding on an OSPF Interface on page 5 9 5 4 117355 A Rev A Customizing OSPF Multicast Extensions Enabling Deterministic Multicasting MOSPF runs in two modes nondeterministic mode and deterministic mode In nondeterministic mode MOSPF selects paths with the lowest metric cost e In deterministic mode MOSPF uses OSPF quality of service extensions called QOSPF to choose paths that provide the requested QoS By default deterministic MOSPF is disabled You can use Site Manager to enable deterministic MOSPF
132. scription on page A 5 Click on Save You return to the Configuration Manager window If your neighbor is running DVMRP mrouted ensure that your probe interval value matches the value used by the neighbor 117355 A Rev A Customizing DVMRP Specifying a Route Switch Interval The route switch interval specifies how long the router should wait without receiving a subsequent route update from the original neighbor before switching to a different neighbor advertising equal cost for this route By default DVMRP waits 140 seconds You can use Site Manager to specify a value from 20 to 2000 seconds Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Global The DVMRP Global Configuration window opens 6 Set the Route Switch Timeout parameter Click on Help or see the parameter description on page A 5 7 Click on Save You return to the Configuration Manager window If your neighbor is running DVMRP mrouted the recommended value is 140 seconds 117355 A Rev A 4 17 Configuring IP Multicasting and Multimedia Services Estimating the Number of Routes By default DVMRP preallocates a routing table for 25 entries You can use Site Manager to speci
133. se a route report before it has sent a probe message to a neighbor DVMRP uses the probe message to learn the neighbor s capability Some routers however send only route reports they do not send probes If you want DVMRP to communicate with nonstandard DVMRP routers be sure to set the Route Depend Probe parameter to Enable Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Tunnel The DVMRP Tunnel Parameters window opens 6 Set the Report Depend Probe parameter Click on Help or see the parameter description on page A 14 7 Click on Apply and then click on Done You return to the Configuration Manager window 4 44 117355 A Rev A Chapter 5 Customizing OSPF Multicast Extensions MOSPF is a multicasting extension of OSPF You configure MOSPF by setting OSPF global parameters interface parameters and area parameters This chapter covers the following topics Topic Page MOSPE Overview 5 2 Configuring MOSPF Globally 5 4 Configuring Multicast Forwarding on an OSPF Interface 5 9 117355 A Rev A 5 1 Configuring IP Multicasting and Multimedia Services MOSPF Overview MOSPF is a multicasting extension of the OSPF protocol that allows a route
134. side anywhere they can join and leave the group at any time and they can be members of more than one group at the same time In order to receive a multicast message from a host group a host must be a member of the group However anyone can send a multicast datagram a host does not need to be a member of a group to send a multicast message to its members In general hosts that are members of the same group reside on different networks However a range of multicast addresses 224 0 0 x is reserved for groups that are locally scoped All message traffic for these hosts remains on the local network Hosts that belong to a group in this address range and that reside in different networks will not receive each other s message traffic Note Multicast data packets are affected by traffic filters Therefore you must ensure that traffic filters configured on a multicast router do not prevent a host that is a member of a group from receiving packets intended for that group 1 22 117355 A Rev A Multicasting and Multimedia Overview Multicast Addresses Each host group is assigned a unique multicast address To reach all members of the group a sender uses the multicast address as the destination address of the datagram An IP Version 4 multicast address is a Class D address the high order bits are set to 1110 from 224 0 0 0 to 239 255 255 255 The block of addresses from 224 0 0 1 to 224 0 0 255 is reserved for routing proto
135. st OSPF does not consider network resource information when it selects the best path to a destination With QOSPF extensions added OSPF MOSPFE calculates QoS routes that can provide the best resources for a multicast flow even though the route may not be the path with the least metric cost In Figure 6 1 for example Host 3 H3 on Network 2 wants to send multicast data at rate R to a group whose members H1 and H2 reside on Network 1 Without QOSPF extensions MOSPF in Router 3 forwards the data to Router 1 using the interface with lowest metric cost whether or not Router 1 has the resources to transmit data at rate R Now assume that Router 2 has the resources to transmit data at rate R and Router 1 does not With QOSPF enabled on all routers OSPF forwards the data to Router 2 even though the interface has a higher metric cost 117355 A Rev A 6 1 Configuring IP Multicasting and Multimedia Services Network 1 OSPF OSPF shortest path quality of service path Metric 1 3 Metric 2 Network 2 IP0056A Figure 6 1 QOSPF Topology You add QOSPF extensions to OSPF by enabling MOSPF in deterministic mode as described in Enabling Deterministic Multicasting on page 5 5 When you select deterministic mode QOSPF runs with default values for global and inter
136. stablished route is no longer usable By default route pinning is disabled If you have enabled MOSPF globally you can use Site Manager to enable route pinning Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Multicast Route Pinning parameter Click on Help or see the parameter description on page A 29 6 Click on OK You return to the Configuration Manager window 6 4 117355 A Rev A Configuring QOSPF Enabling the Opaque Capability The OSPF opaque capability provides support for additional types of LSAs and additional extensions QOSPF requires the opaque capability By default the opaque capability is disabled You can use Site Manager to enable and disable this feature globally as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose OSPF The OSPF menu opens 4 Choose Global The Edit OSPF Global Parameters window opens 5 Set the Opaque Capability parameter Click on Help or see the parameter description on page A 30 6 Click on OK You return to the Configuration Manage
137. terre 4 33 Supplying Addresses for the Tunnel EE E E E 4 34 Disabling and Meena bling the TUNNET sirinossiisooreiscriesansei aan 4 35 Choosing ihe Encapsulation Mode nananana ia A 4 36 Specifying the Cost ee Aaea dares Gites Sicha AET E T ree 4 37 Speca A aereeereerr ype aT renee enrrr ESES errr Tyee errr meet rteS 4 38 Configuring a Forwarding Table for the Tunnel ceeseeeeeeeeeeeteeeeeeeeeetaeeeeneeees 4 39 Advertising a Diets lt AGUNG csccsicrecsccsstesseciesneeedueranieiciesanncesusebaat eageanreetenmdeaacaes 4 41 Listening lor a Dolault ROUTE cases ns is sores cennsansaxeow Msonsaga A 4 42 Specifying an Encapsulation Mode for Control Messages re seen 4 43 Accepting a Report from a Nonstandard DVMRP Neighbor ccccseseeeeeeees 4 44 Chapter 5 Customizing OSPF Multicast Extensions TORIES PP CV eriaren tecbsandepeascccnavascnqdseacesacaan se feasadbones AaS eE aA EEN REGERAR 5 2 Gomon MOSPF GEBA sraao E A nes 5 4 Enabling Deterministic Multicasting Gren aa veeni erate Po 117355 A Rev A vii Specifying a Forwarding Timeout Value assirinassi inani 5 6 Specifying a Maximum Number of Queued Packets c scccecesssseeeeeesstteeeeeeeees 5 7 ed GR 1e Mate PAL gt Und oa ly Eerie eter es pteree eer erite er ee nerey me tere em Na 5 8 Configuring Multicast Forwarding on an OSPF Interface ccceeceeseeeeeeeeeeteeeeeeeees 5 9 Chapter 6 Configuring
138. ters Route Supply Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Tunnel Disable Enable Disable Supplies the default route 0 0 0 0 on this interface Enable this feature if you want DVMRP to advertise a default route on this interface 1 3 6 1 4 1 18 3 5 3 12 3 1 25 Route Listen Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt tunnel Disable Enable Disable Receives the default route 0 0 0 0 on this interface Enable this feature if you want DVMRP to listen for a default route on this interface 1 3 6 1 4 1 18 3 5 3 12 3 1 26 Control Message Mode Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt tunnel Noencaps Encaps Noencaps Specifies the encapsulation mode for IGMP control packets Noencaps causes IGMP to send control messages in regular IGMP packets with the IP protocol type set to IP_LPROTOCOL_IGMP Encaps causes IGMP to encapsulate control messages inside IP packets with the IP protocol type set to IP_PROTOCOL_IPINIP All DVMRP messages sent across tunnels will be encapsulated in the same way as data packets in this mode Select an encapsulation mode for control messages 1 3 6 1 4 1 18 3 5 3 12 3 1 27 117355 A Rev A Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Inst
139. that can be used by a flow You can use the following Site Manager procedure to specify the maximum buffer space for a flow Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Largest Buffer parameter Click on Help or see the parameter description on page A 28 4 Click on OK You return to the Configuration Manager window 8 16 117355 A Rev A Appendix A Site Manager Parameters For each parameter associated with a multicast protocol or service this appendix provides the Site Manager menu path to each parameter information about default settings valid parameter options the parameter function instructions for setting the parameter and the MIB object ID Find parameters under the following topics Topic Page DVMRP Parameters page A 2 IGMP Parameters page A 1 5 IP Configuration Parameters page A 2 0 Resource Manager Parameters page A 2 2 OSPF Parameters for Multicast and QoS Extensions page A 2 9 RSVP Parameters page A 3 2 117355 A Rev A A 1 Configuring IP Multicasting and Multimedia Services DVMRP Parameters This section describes the DVMRP global circuit and tunnel para
140. the routing updates 1 3 6 1 4 1 18 3 5 3 12 2 1 5 117355 A Rev A A 7 Configuring IP Multicasting and Multimedia 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 Metric Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit 1 1 to 31 Specifies the cost of this interface Determine the cost that you want to assign to this hop and enter a value We recommend the following values for a LAN or tunnel across a single LAN 1 for a multihop tunnel 2 or 3 for a serial link or tunnel across a serial link 1 for a backup tunnel the primary tunnel metric 1 1 3 6 1 4 1 18 3 5 3 12 2 1 6 Threshold Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit 1 1 to 254 hops Specifies a TTL value for the interface This value is the minimum IP TTL required for a multicast datagram to be forwarded out this interface Use this parameter to control the scope of the datagrams If the IP TTL is less than the threshold value you specify the router drops the datagram 1 3 6 1 4 1 18 3 5 3 12 2 1 7 Forward Cache Size Configuration Manager gt Protocols gt IP gt Multicast gt DVMRP gt Circuit 32 32 to 512 entries Specifies the maximum numbe
141. tions Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Enable Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces Enable Enable Disable Sets the state of RSVP on this interface Disable and reenable RSVP on the interface as required 1 3 6 1 4 1 18 3 5 16 1 1 6 1 2 Refresh Blockade Multiple Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces 4 intervals 1 to 65536 intervals Specifies the number of refresh intervals that RSVP will stay alive in the blockade state Specify the number of refresh intervals for the blockade state 1 3 6 1 4 1 18 3 5 16 1 1 6 1 8 Refresh Multiple Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces 3 intervals 1 to 65536 intervals Specifies the number of refresh intervals which must elapse before a PATH or RESV message that is not being refreshed will be timed out Specify the number of refresh intervals for a PATH or RESV message 1 3 6 1 4 1 18 3 5 16 1 1 6 1 9 A 34 117355 A Rev A Site Manager Parameters 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 TTL Configuration Manager gt Protocols gt IP gt RSVP gt Interfaces 0 no TTL overrid
142. tions MIB Object ID Opaque Capability Configuration Manager gt Protocols gt IP gt OSPF gt Global Enabled Enabled Disabled Controls whether or not OSPF accepts and processes opaque LSAs Select Disable if you do not want OSPF to accept opaque LSAs 1 3 6 1 4 1 18 3 5 3 2 3 1 22 Deterministic Mcast Hold Down Configuration Manager gt Protocols gt IP gt OSPF gt Global Disabled Enabled Disabled Controls whether or not the Hold Down feature for deterministic MOSPF is enabled Enable this feature if you want a data flow to go out an interface only if there is a reservation for the flow on the interface 1 3 6 1 4 1 18 3 5 3 2 3 1 25 Timeout Value Configuration Manager gt Protocols gt IP gt OSPF gt Global 600 seconds An integer Specifies a timer value for timing out MOSPF forward entries Use the default setting 1 3 6 1 4 1 18 3 5 3 2 3 1 26 A 30 117355 A Rev A Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Max Queued Multcast Packets Configuration Manager gt Protocols gt IP gt OSPF gt Global 64 An integer indicating the number of packets Controls how many multicast packets OSPF can queue on each slot before it finishes calculating multicast trees If you specify 0 OSPF drops packets before the tree is calculated 1 3 6 1 4 1
143. to service requests All lines for a circuit must use the same algorithm If any one line on a circuit specifies First Fit all lines use the first fit algorithm Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Edit Connector window opens click on any connector for a line that is configured for RSVP 2 Click on Edit Line Resources in the Edit The Edit Line Resources window opens Connector window 3 Set the Multiline Select Algorithm parameter Click on Help or see the parameter description on page A 26 4 Click on OK You return to the Configuration Manager window a You set this parameter only if you configured the Resource Manager on a multiline circuit 8 12 117355 A Rev A Reserving Line Resources Setting the Multiline Threshold Bandwidth When using the first fit multiline select algorithm see Specifying the Multiline Select Algorithm on page 8 12 you can configure a threshold of 0 to 214748364 b s for the first available line By default the threshold is set to 0 LRM uses the simple first fit algorithm If you select a value greater than 0 LRM still uses the first available line with reservable bandwidth to service requests but moves to the next available line after reaching the configured threshold When all lines are at their threshold LRM returns to using the simple first fit algorithm Set this parameter only if you
144. to the Configuration Manager window 7 6 117355 A Rev A Configuring RSVP Configuring RSVP on an Interface When you add RSVP to an IP interface RSVP is configured on the interface with default values for all interface parameters You customize RSVP on the interface by setting interface parameters as described under the following topics Topic Page Disabling and Reenabling RSVP on an Interface Tr Setting the RSVP Default Refresh Timer 7 8 Setting the RSVP Default Lifetime Multiplier 7 9 Setting the RSVP Refresh Blockade Multiplier 7 10 Setting the TTL Override A Setting the Route Delay Value 7 12 Enabling and Disabling UDP Encapsulation PAS Disabling and Reenabling RSVP on an Interface By default RSVP is enabled on every interface on which it is configured You can use Site Manager to change the state of RSVP on an interface as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose RSVP Circuit The Edit RSVP Circuit Parameters window opens 4 Set the Enable parameter Click on Help or see the parameter description on page A 34 5 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 7 7 Configuring IP Multicasting and Multim
145. tric to a given source network the router with the lower IP address is responsible for propagating multicast traffic originating from that source network onto the network or tunnel that is common to these neighboring routers A network is considered a leaf network if it has no dependent downstream neighbors for a source In Figure 4 1 the network connected to Router E Net 5 is a leaf network 117355 A Rev A 4 7 Configuring IP Multicasting and Multimedia Services Customizing DVMRP Globally When you start DVMRP on the router DVMRP runs with default values for all global protocols You customize DVMRP by modifying parameters as described under the following topics Topic Page Disabling and Reenabling DVMRP 4 9 Setting the Update Interval 4 10 Configuring Tree Pruning 4 11 Configuring DVMRP Timers 4 12 Specifying a Probe Interval 4 16 Specifying a Route Switch Interval 4 17 Estimating the Number of Routes 4 18 Logging Debugging Messages 4 19 Specifying the Maximum Number of Routes 4 20 Enabling and Disabling Routing Policies 4 21 4 8 117355 A Rev A Disabling and Reenabling DVMRP Customizing DVMRP You can use Site Manager to disable and reenable DVMRP on the router Site Manager Procedure You do this System responds 1 In the Configuration Manager window choose Protocols The Protocols menu opens
146. tries to become the designated querier The value you specify should be greater than the Version 1 query rate of all IGMP speakers on all networks directly connected to the router You can use the BCC or Site Manager to specify a version threshold time from 1 second to 65 535 seconds Using the BCC Navigate to the global IGMP prompt and enter version threshold threshold threshold is the number of seconds from 1 to 65 535 For example the following command sets the version threshold time to 500 seconds igmp version threshold 500 igmp Using Site Manager Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose IGMP The IGMP menu opens 5 Choose Global The IGMP Global Configuration window opens 6 Set the Version Threshold Time parameter Click on Help or see the parameter description on page A 16 7 Click on Save You return to the Configuration Manager window 3 8 117355 A Rev A Customizing IGMP Configuring Logging You can use the BCC or Site Manager to specify the messages you want IGMP to log Using the BCC Navigate to the global IGMP prompt and enter debug log flag flag flag is an integer indicating the messages you want to log Using Site Manager Site Manager Procedure
147. ts queries only The router still forwards multicast datagrams on this circuit If another IGMP router on this network has taken on the query role this router will not send queries unless it has not heard of any queries within the number of seconds specified by the Designated Router Timeout parameter 1 3 6 1 4 1 18 3 5 3 13 2 1 5 Interface Membership Timeout Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry 260 30 to 8192 seconds Specifies the amount of time that a local group membership is valid without the receipt of a subsequent report for that group The suggested value is 2 Query Rate 20 1 3 6 1 4 1 18 3 5 3 13 2 1 6 Designated Router Timeout Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry 140 10 to 8192 seconds Specifies the amount of time that can elapse after the last host query message before the IGMP designated router is considered down The value you specify should be greater than the query rate of all IGMP routers on the network 1 3 6 1 4 1 18 3 5 3 13 2 1 7 117355 A Rev A Configuring IP Multicasting and Multimedia Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Max Host Response Time Configuration Manager gt Protocols gt IP gt Multicast gt IGMP gt Entry 100 1 to 100 tenths of a second Specif
148. vertises its own local networks over this circuit Using Site Manager you can configure DVMRP so that it does not advertise local networks over the circuit Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Advertise Self parameter Click on Help or see the parameter description on page A 9 7 Click on Apply and then click on Done You return to the Configuration Manager window 117355 A Rev A 4 29 Configuring IP Multicasting and Multimedia Services Advertising a Default Route By default DVMRP does not supply a default route on this circuit You can use Site Manager to enable and disable this feature as required Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens choose Protocols 2 Choose IP The IP menu opens 3 Choose Multicast The Multicast menu opens 4 Choose DVMRP The DVMRP menu opens 5 Choose Circuit The DVMRP Circuit Parameters window opens 6 Set the Route Supply parameter Click on Help or see the parameter description on page A 9 7 Click on Apply and then click on Done You return to the C
149. y Networks will replace defective media at no charge if it is returned to Bay Networks during the warranty period along with proof of the date of shipment This warranty does not apply if the media has been damaged as a result of accident misuse or abuse The Licensee assumes all responsibility for selection of the Software to achieve Licensee s intended results and for the installation use and results obtained from the Software Bay Networks does not warrant a that the functions contained in the software will meet the Licensee s requirements b that the Software will operate in the hardware or software combinations that the Licensee may select c that the operation of the Software will be uninterrupted or error free or d that all defects in the operation of the Software will be corrected Bay Networks is not obligated to remedy any Software defect that cannot be reproduced with the latest Software release These warranties do not apply to the Software if it has been i altered except by Bay Networks or in accordance with its instructions ii used in conjunction with another vendor s product resulting in the defect or iii damaged by improper environment abuse misuse accident or negligence THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Licensee is responsible for t

Avaya Configuring IP Multicasting Services User's Manual

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