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Avaya Configuring MPOA Services User's Manual

1. Command Page show mpoa caches C 3 show mpoa caches all C 3 show mpoa caches egress C 4 show mpoa caches ingress C 6 show mpoa server CF show mpoa server configuration C 7 show mpoa server stats C 8 show nhrp C 12 show nhrp client configuration C 12 show nhrp client stats C 13 show nhrp interfaces C 14 show nhrp server configuration C 15 show nhrp server stats C 15 309249 14 00 Rev 00 C 1 Configuring MPOA and NHRP Services Online Help for show Commands To display a list of command options enter one of these commands at any BCC prompt show mpoa show nhrp To learn more about any show command and its options keywords filters and filter arguments use the question mark command as follows Example bcc show mpoa caches server bcc gt show mpoa caches all egress ingress bcc gt show mpoa caches all show mpoa caches all inactive active slot lt arg gt bcc The BCC has fully displayed all possible options for the current command line when e The response contains command filters and filter arguments e The response is a message No further options available show mpoa caches all inactiv active slot lt arg gt Command Keywords Filters flags Filter argument C 2 309249 14 00 Rev 00 Monitoring MPOA and NHRP Services show mpoa caches The show mpoa caches command displays information about M
2. If you want to Go to Obtain an overview of MPOA and NHRP operation Chapter 1 Change default settings for MPOA server parameters Chapter 3 Obtain information about Site Manager NHRP parameters Appendix A Obtain information about BCC NHRP parameters Appendix B Monitor ATM using the BCC show commands Appendix C Review a BCC MPOA NHRP example configuration sequence Appendix D Review the BCC configuration tree for MPOA and NHRP services Appendix E 4 8 309249 14 00 Rev 00 Appendix A Site Manager Parameters This appendix contains the Site Manager parameter descriptions for MPOA and NHRP services You can display the same information using Site Manager online Help The values you set for some parameters depend on the current settings of other dependent parameters This appendix contains the following information Topic Page Accessing ATM Parameters A 1 MPOA Service Parameters A 3 MPOA Server MPS Parameters A 5 NHRP Global Parameters A 14 NHRP Interface Parameters A 19 Accessing ATM Parameters You can access ATM parameters using either a Site Manager window path or menu path Both of these paths begin at the Configuration Manager window The window path provides detailed information about individual ATM interfaces The menu path provides global information about all interfaces on the router 309249 14 00 Rev 00 A 1 Configuring MPOA and NHRP Se
3. esee 3 18 Seng me ininal Raty TIME iyisinin de a ebore ennai aaa 3 19 Setting the Maximum Retry Time PEE E E eae pbRa ds T PET 3 21 Setting the Time to Wait for Responses to Resnluticn eee A 3 22 Setting the Valid Interval for Replies to Resolution Requests 3 23 Defining MPS Cache Values T ere Hee SPP REL ere T TUUM TM 3 25 Setting the Iritial Cache SIZE aurei oe et einladen i e EEUU seinen 3 25 Setting the Maximum Cache Size sse 3 26 Deleting uerus e 3 28 Deleting an MPOA Service Record Luis se eere m aad i e cr i a RARE 3 29 Where to Go Next an Ae T AT T anotan corel Chapter 4 Customizing NHRP Services Accessing NHRP Client and Server Global Parameters cc ccccccccsseecssecesseeeesseeeeeees 4 2 Disabling NHRP on an LEC or PVC or Classical IP Service ssseesssssss 4 4 Deleting NHRP from an LEC or PVC or SVC Service sssssssesseee 4 6 Deleting NHRP Globally bending TS re jets S A eee T UT ri IUD I SReDl og ee eaenatets cadisncea a 4 8 vi 309249 14 00 Rev 00 Appendix A Site Manager Parameters Accessing ATM i i em M A 1 Accessing ATM MPOA Parameters Through a Window Path sssss A 2 Accessing ATM MPOA and NHRP Parameters Through a Menu Path M DAO Semice PARAS e
4. Accessing NHRP Client and Server Global Parameters on page 4 2 Client Reg Interval Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 25 10 to 200 Specifies the registration interval in seconds for the NHRP client entity The registration interval determines how often the NHRP client generates NHRP registration requests to refresh and update its next hop cache In most configurations accept the default value When using a nondefault value make it smaller than the current value of the Client Hold Time parameter 1 3 6 1 4 1 18 3 5 3 23 1 1 6 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 309249 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Client Hold Time Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 30 10 to 200 Specifies the length of time in seconds during which client information is valid In most configurations accept the default value To ensure that you always have recent client information specify a low value Such a low value however will cause additional network traffic because more frequent NHRP registration requests result If you specify a higher value network traffic will decrease at the expense of less current cache information If using other t
5. client Client Enable client registration interval Client Reg Interval client hold time Client Hold Time client request timeout Client Request Timeout client request retry Client Request Retry client requests maximum Client Max Pending Request Entries server Server Enable server forwarding Server Forward Enable server next hop maximum Server Max Next Hop Entries server requests maximum Server Max Pending Request Entries next hop cache size Max Next Hop Cache Size The BCC and Site Manager also allow you to modify the configured state of NHRP on a PVC or LEC service See Disabling NHRP on an LEC or PVC or Classical IP Service on page 4 4 Accessing NHRP Client and Server Global Parameters You can customize the configurable global parameters of NHRP using either the BCC or Site Manager Using the BCC To access NHRP client and server parameters from root level box or stack enter nhrp Once you enter the NHRP context enter the info command to see which parameters you can modify using the BCC and what are their current default values 4 2 309249 14 00 Rev 00 Customizing NHRP Services For example the following BCC commands e Navigate to global NHRP e List NHRP client and server parameters that you can modify stack nhrp nhrp atm ip info client enabled client registration interval 25 client hold time 30
6. service records MPOA deleting 3 30 enabling disabling 3 2 support Nortel Networks xviii T technical publications xviii technical support xviii text conventions Xiv timers modifying MPS 3 16 Ww window path using A 2 windows accessing A 1 309249 14 00 Rev 00
7. Customizing MPOA Services Where to Go Next Use the following table to determine where to go next If you want to Go to Learn about ATM concepts Configuring ATM Services Learn about MPOA and NHRP concepts Chapter 1 Change default settings for NHRP client or server Chapter 4 parameters Obtain information about Site Manager MPOA and Appendix A NHRP parameters Obtain information about BCC MPOA and NHRP Appendix B parameters Monitor MPOA and NHRP using the BCC show Appendix C commands Review a BCC MPOA NHRP example configuration Appendix D sequence Review the BCC MPOA NHRP configuration tree Appendix E 305861 A Rev 00 3 31 Chapter 4 Customizing NHRP Services This chapter includes the following information Accessing NHRP Client and Server Global Parameters 4 2 Disabling NHRP on an LEC or PVC or Classical IP Service 4 4 Deleting NHRP from an LEC or PVC or SVC Service 4 6 Deleting NHRP Globally 4 7 Where to Go Next 4 8 Note We recommend that you start and maintain NHRP with all default settings on the router However if you need to customize NHRP parameter values you can use either the BCC or Site Manager to accomplish that task 309249 14 00 Rev 00 4 1 Configuring MPOA and NHRP Services The BCC and Site Manager allow you to edit values for the following NHRP parameters BCC Parameter Equivalent Site Manager Parameter
8. 309249 14 00 Rev 00 A 7 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID MPS Address Generate Mode Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS Automatic Automatic Manual Display only You can configure this parameter only at the service record level None 1 3 6 1 4 1 18 3 5 9 10 1 7 Back to Setting the MPS Address Generating Mode on page 3 3 Ctrl ATM Addr Network Prefix Optional Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS None XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Display only You can configure this parameter only at the service record level None 1 3 6 1 4 1 18 3 5 9 10 2 5 Back to Specifying an MPS Control ATM Address on page 3 5 A 8 309249 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Ctrl ATM Addr User Part Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS None 00000000000000 to FFFFFFFFFFFFFF Display only You can configure this par
9. ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Set the Initial Cache Size parameter Click on Help or see the parameter description on page A 11 Click on Done You return to the MPOA Service Record window Click on Done You return to the Edit ATM Connector window Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Setting the Maximum Cache Size The maximum cache size specifies the maximum number of cache units that the MPS can store at any time By default the MPS can have a maximum cache size of 500 units However you can use either the BCC or Site Manager to set the maximum cache size to any value from 100 to 2000 units 3 26 305861 A Rev 00 Customizing MPOA Services Using the BCC To set the maximum cache size navigate to the appropriate MPS and enter maximum cache size 100 2000 For example on a System 5000 router the following BCC commands navigate from root level to mps eastcoast and set the MPS maximum cache size to 300 units stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast
10. Back to Setting the MPS Address Generating Mode on page 3 3 309249 14 00 Rev 00 A 3 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Ctrl ATM Addr Network Prefix Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes None XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Specifies the network prefix of the ATM address for this MPOA service record The network prefix specifies the ATM domain of which any MPOA server will be a member The router uses the MPOA service record address information as a base when creating a new MPS The XX byte must be 39 45 or 47 This value defines the authority and format identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the AFI byte see the ATM Forum UNI specification The router configures this value for you in automatic mode You have the option of configuring this value in manual mode Enter a network prefix manual mode only 1 3 6 1 4 1 18 3 5 9 10 2 5 Back to Specifying an MPS Control ATM Address on page 3 5 A 4 309249 14 00 Rev 00 Site Manager Parameters Parameter Ctrl ATM Addr User Part Path Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes Default Non
11. If using other than the default value keep in mind that higher values may degrade application responsiveness 1 3 6 1 4 1 18 3 5 3 23 1 1 9 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Client Max Pending Request Entries Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 100 1 to 100 Specifies the maximum number of pending requests that the NHRP client will accept from the local requesting entity that is the MPS In most configurations accept the default value Ensure that you have sufficient memory space to accommodate the number of pending requests that you specify 1 3 6 1 4 1 18 3 5 3 23 1 1 10 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 A 16 309249 14 00 Rev 00 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 Max Next Hop Cache Size Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 16 16 to 1024 Specifies in cache units the maximum size of the next hop cache In most configurations accept the default value Specifying a higher value uses more buffer space resulting in less memory for other system requirements 1 3 6 1 4 1 18 3 5 3 23 1 1 20 Server Enable Configu
12. Use the diagram as an aid for navigating to and from MPOA and NHRP objects that you create in the router configuration 309249 14 00 Rev 00 E 1 Configuring MPOA and NHRP Services Figure E 1 box or stack Global NHRP atm interface signaling signaling vc timers pvc service classical ip service lec service mpoa server mpoa service i MPS to LEC Mapping i BCC0032A BCC Configuration Tree for MPOA and NHRP E 2 309249 14 00 Rev 00 A accessing ATM windows A 1 acronyms Xvi ATM addresses MPS control 3 5 concepts 1 1 starting configuration tools 2 1 windows accessing A 1 ATM Addr Net Prefix MPS control 3 5 3 12 ATM Addr User Part MPS control 3 6 3 12 C cache MPS 3 25 Client Enable parameter NHRP A 14 Client Hold Time parameter NHRP A 15 Client Max Pending Request Entries parameter NHRP A 16 Client Reg Interval parameter NHRP A 14 Client Request Retry parameter NHRP A 16 Client Request Timeout parameter NHRP A 15 Configuration Manager Protocols menu using A 2 conventions text xiv Ctrl ATM Addr Network Prefix parameter A 4 A 8 Ctrl ATM Address Selector Byte parameter A 7 Ctrl ATM Address User Part parameter A 5 A 9 customer support xviii customizing LE clients 3 11 D Default Holding Time parameter description A 10 setting 3 23 309249 14 00 Rev 00 Index E Edit ATM Connect
13. client request timeout 10 client request retry 3 client requests maximum 100 server enabled server forwarding enabled server next hop maximum 5 server requests maximum 100 next hop cache size 16 Read about these NHRP parameters in Appendix B To modify any configurable NHRP client or server parameter enter parameter name value For example to change the value for the client registration interval to 35 seconds and the server next hop maximum to 6 entries enter the following commands nhrp atm ip client registration interval 35 nhrp atm ip server next hop maximum 6 Using Site Manager To edit an NHRP record complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens click on Protocols Choose IP The IP menu opens Choose NHRP The NHRP menu opens Choose NhrpNetTable The NHRP NetEntry List window opens continued 309249 14 00 Rev 00 4 3 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this 5 Click on the NHRP entry that you want to edit System responds Site Manager displays the current NHRP entry specific parameters 6 Edit the following parameters as required NHRP Request Path Client Enable Client Reg Interval Client Hold Time Client Request Timeout Client Request Retry Client Max Pending
14. 00 Rev 00 B 9 Configuring MPOA and NHRP Services Parameter Path Default Options Function Parameter Path Default Options Function Parameter Path Default Options Function client hold time box or stack gt nhrp 30 10 to 200 Specifies the length of time in seconds during which client information is valid Back to Accessing NHRP Client and Server Global Parameters on page 4 2 client request retry box or stack gt nhrp 3 1 to 20 Specifies the number of times that the NHRP client generates a registration request before returning an error to the local requesting MPS entity Back to Accessing NHRP Client and Server Global Parameters on page 4 2 client request timeout box or stack gt nhrp 10 1 to 100 Specifies in seconds the maximum amount of time that the NHRP client waits to receive a reply from an NHRP server Make the value large enough to account for processing and propagation delays between the NHRP client and remote NHRP servers Back to Accessing NHRP Client and Server Global Parameters on page 4 2 B 10 309249 14 00 Rev 00 Parameter Path Default Options Function Parameter Path Default Options Function Parameter Path Default Options Function BCC Parameters client requests maximum box or stack gt nhrp 100 1 to 100 Specifies the maximum number of pending requests the NHRP client will accept from the local req
15. 300 1 3 6 1 4 1 18 3 5 9 10 2 1 8 Back to Setting the Initial Retry Time on page 3 19 309249 14 00 Rev 00 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Keep Alive Life Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 35 3 to 1000 Specifies the length of time in seconds that an MPS can consider a keepalive packet as valid Accept the default 35 or enter a value from 3 to 1000 1 3 6 1 4 1 18 3 5 9 10 2 1 7 Back to Setting the Valid Lifetime for Keepalive Packets on page 3 18 Keep Alive Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 10 1 to 300 Specifies how often in seconds the MPS must transmit MPOA keepalive packets Accept the default 10 or enter a value from 1 to 300 1 3 6 1 4 1 18 3 5 9 10 2 1 6 Back to Setting the Transmission Interval for MPOA Keepalive Packets on page 3 17 309249 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Maximum Cache Size Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM
16. 5 9 10 2 1 11 Back to Setting the Valid Interval for Replies to Resolution Requests on page 3 23 Give Up Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 40 5 to 300 Specifies in seconds the maximum amount of time that the MPS must wait before giving up on a pending resolution request Accept the default 40 or enter a value from 5 to 300 1 3 6 1 4 1 18 3 5 9 10 2 1 10 Back to Setting the Time to Wait for Responses to Resolution Requests on page 3 22 A 10 309249 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters Initial Cache Size Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 100 50 to 500 Specifies in cache units the maximum amount of cache information that the MPS can keep upon initialization Accept the default 100 or enter a value from 50 to 500 1 3 6 1 4 1 18 3 5 9 10 2 1 13 Back to Setting the Initial Cache Size on page 3 25 Initial Retry Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 2 1 to 300 Specifies the initial retry time in seconds used by the MPOA retry mechanism Accept the default 5 or enter a value from 1 to
17. AFI byte refer to the ATM Forum UNI specification Entering an ATM address network prefix is optional If you do not enter a network prefix in the specified range the MPS accepts the first prefix value that it receives from the local switch Note Each MPS obtains its ATM network prefix from the network prefix assigned to the MPOA service record This means that all MPSs that you add to an MPOA service record will have the same ATM network prefix The control ATM address user part consists of a 6 byte end station identifier and a 1 byte selector field This 7 byte portion of the ATM address can have values ranging from 00000000000000 to FEFFFFFFFFFFFF With ATM address generation in manual mode autogeneration disabled you can use the BCC or Site Manager to manually configure a network prefix and user suffix for the control ATM address Using the BCC To configure a value for the network prefix in the MPS control ATM address 1 Navigate to the appropriate mpoa service prompt and ensure that the autogenerate parameter has a value of disabled for example mpoa service 5 3 1 autogenerate autogenerate disabled 2 Configure a value for the network prefix portion of the MPS control ATM address by entering network prefix 73 byte octet string 3 Configure a value for the user suffix portion of the MPS control ATM address by entering user suffix 7 byte octet string 3 6 305861 A Rev 00 Customizing MPO
18. Appendix E services 309249 14 00 Rev 00 1 9 Chapter 2 Starting MPOA and NHRP Services This chapter describes how to create basic MPOA and NHRP configurations by specifying values for required parameters only and by accepting default values for all other parameters This chapter contains the following information Topic Page Starting Configuration Tools 2 1 Starting the MPOA Server 2 2 Starting NHRP on an ATM LEC PVC or Classical IP Service 2 Where to Go Next 2 16 Starting Configuration Tools Before configuring MPOA or NHRP services refer to the following user guides for instructions on how to start and use the Nortel Networks configuration tool of your choice Configuration Tool User Guide Bay Command Console BCC Using the Bay Command Console BCC Site Manager Configuring and Managing Routers with Site Manager 309249 14 00 Rev 00 2 1 Configuring MPOA and NHRP Services Starting the MPOA Server To start the MPOA server you must perform the following steps 1 Start ATM on the router See Configuring ATM Services 2 Configure any ATM PVCs SVCs Classical IP and LAN emulation client LEC services that you need for MPOA NHRP to operate within your specific network topology See Chapter 1 and Configuring ATM Services Be sure to Specify LANE data encapsulation for each LEC that you require e Specify LLC SNAP data encapsulati
19. Back to Setting the Initial Retry Time on page 3 19 keep alive lifetime box or stack gt atm gt mpoa service gt mps 35 3 to 1000 Specifies the length of time in seconds that an MPS can consider a keepalive packet as valid Back to Setting the Valid Lifetime for Keepalive Packets on page 3 18 keep alive time box or stack gt atm gt mpoa service gt mps 10 1 to 300 Specifies how often in seconds the MPS must transmit MPOA keepalive packets Back to Setting the Transmission Interval for MPOA Keepalive Packets on page 3 17 B 6 309249 14 00 Rev 00 BCC Parameters Parameter lecs address Path box or stack gt atm gt mpoa service gt mps Default None Options The 20 byte ATM address of the LECS from which a new MPS can obtain configuration values automatically The MPS config mode parameter must be set to automatic for this to occur The address includes a network prefix and a user suffix Network prefix XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 User suffix 00000000000000 to FFFFFFFFFFFFFF Function Specifies the network prefix 13 bytes and user suffix 7 bytes of the ATM address for the LECS that you want the MPOA server to use The network prefix specifies the ATM domain of which this MPOA server is a part The XX byte defines the authority and format identifier AFD designating the group responsible for allocating the netwo
20. In this example a network administrator configured an ATM interface on slot 5 of each BLN router All three ELANs emulate an IEEE 802 3 LAN Table D 1 summarizes key information for creating this configuration ATM network ATM MPS 1 10BASE T E EI Network 1 1 1 i e efe O sim TA MEN Ms Nortel Network EIU BOR d C 100 i ELAN 1 y i Router MP ae ae A 1 7 i ELAN X Network 2 1 1 x Nortel Networks Na 2 ge BLN routers Network 3 1 1 7 NV i ELAN4 ATM MPC C get Mas ash ut Router 10BASE T EE ESR 2 7 B a a Nortel Networks C 100 ATM MPS 2 Key Cut through VC Logical connection BCC0030A Figure D 1 Example MPOA NHRP Configuration D 2 309249 14 00 Rev 00 Table D 1 Example Configuration Summary Network Element Description e MPS1 MPOA service MPS1 ATM address IP interface to ELAN 1 IP interface to ELAN X NHRP MPC1 Nortel Networks C 100 Switch MPC2 Nortel Networks C 100 Switch ELAN 1 network address 1 1 1 x ELAN X network address 2 1 1 x ELAN 2 network address 3 1 1 x Nortel Networks BLN Router Enabled on ATM slot 5 connector 1 Autogenerated 1 1 1 1 255 255 255 0 2 1 1 1 255 255 255 0 Enabled on the IP interface to ELAN 1 and ELAN X e MPS2 MPOA service MPS2 ATM address IP interface to ELAN X IP interface to ELAN 2 NHRP Nortel Networks BLN Router E
21. Multi Protocol over ATM As defined by the ATM Forum Multi Protocol over ATM MPOA maps routed and bridged traffic flows to ATM SVCs thereby removing many performance limitations imposed by the multihop routing of individual packets This technique of mapping identifiable traffic flows to virtual channels creates network shortcuts between source and destination clients and is generally referred to as cut through or zero hop routing Figure 1 1 shows how users on LAN 1 or LAN 2 can communicate efficiently over an independent layer 2 ATM virtual channel established by means of MPOA and NHRP negotiations ATM ELAN PVC ATM ELAN PVC or RFC 1577 SVC or RFC 1577 SVC I MPOA server 1 MPOA servers mes MPOA server MPS ca 1 MPSs MPS I C MPOA ATM ELAN ATM ELAN C rn ise es MPOA client 1 Cut through zero hop route ATM SVC MPOA client 2 MPC MPC Established through MPOA NHRP negotiations LAN 1 LAN 2 BCC0029A Figure 1 1 ATM Zero Hop Cut Through Routing MPOA supports communication between an MPOA client MPC typically an ATM edge device or switch and its MPOA server MPS typically a router NHRP supports communication between MPSs 309249 14 00 Rev 00 Understanding MPOA and NHRP Although the connection between any two MPSs can be supported by an ATM PVC RFC 1577 SVC ATM Classical IP or emulated LAN ATM LANB the connection between any MPC and its MPS mu
22. Request Entries Server Enable Server Forward Enable Server Max Next Hop Entries Server Max Pending Request Entries Click on Help or see the parameter descriptions beginning on page A 14 7 Click on Done You return to the Configuration Manager window Disabling NHRP on an LEC or PVC or Classical IP Service You can use either the BCC or Site Manager to disable NHRP on an LEC PVC or SVC ATM Classical IP service Note You cannot disable NHRP globally across all ATM slots on the router You can disable NHRP only on an individual LEC PVC or Classical IP SVC service Using the BCC To disable NHRP on an LEC PVC or SVC ATM Classical IP service navigate to NHRP on the appropriate service and enter disable 4 4 309249 14 00 Rev 00 Customizing NHRP Services For example on a System 5000 router the following BCC commands navigate to the LEC service on atm 5 3 1 and disable NHRP on that service stack atm 5 3 1 atm 5 3 1 lec service newyork lec service newyork nhrp nhrp newyork disable Using Site Manager To disable an NHRP interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens click on Protocols 2 Choose IP The IP menu opens 3 Choose NHRP The NHRP menu opens 4 Choose Interfaces The NHRP Interface List window opens 5 Click on the NHRP inte
23. Timer Values on page 3 16 You can specify the MPS configuration mode using either the BCC or Site Manager Using the BCC To specify the configuration mode used by each MPS navigate to the appropriate MPS and enter config mode automatic manual For example on a System 5000 router the following commands navigate to mps newyork on interface atm 5 3 1 and change the MPS configuration mode from its default value automatic to its alternate value manual stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps newyork mps newyork config mode manual 3 10 305861 A Rev 00 Customizing MPOA Services Using Site Manager To change the MPS configuration mode complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Setthe MPS Config Mode parameter Click on Help or see the parameter description on page A 9 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to t
24. and NHRP to an existing ATM Classical IP RFC 1577 SVC service 1 Navigate to the desired classical ip service prompt and enter nhrp 2 Navigate back to the classical ip service prompt and enter ip address P address mask subnet mask 309249 14 00 Rev 00 Starting MPOA and NHRP Services 3 At the resulting IP interface prompt add the desired routing protocol RIP or OSPF rip For example on a System 5000 router the following BCC commands navigate to the classical ip service named baltimore and add IP RIP and NHRP to that service stack atm 5 3 1 atm 5 3 1 classical ip service servicename baltimore classical ip service baltimore nhrp nhrp baltimore back ip 1 2 3 6 255 0 0 0 rip rip 1 2 3 6 When you add NHRP to any ATM Classical IP service the BCC automatically creates the global NHRP object at root level if you have not already done so Using Site Manager After you create an ATM SVC service record the Add Protocols window opens To add IP NHRP and RIP to an SVC service record complete the following tasks Site Manager Procedure You do this System responds 1 Click on IP A check mark appears in the IP box 2 Click on RIP A check mark appears in the RIP box 3 Click on NHRP A check mark appears in the NHRP box 4 Click on OK The IP Configuration window opens 5 Setthe following parameters IP Address Subnet Mask Transmit Bcast Address Click on H
25. any other ATM addresses configured on the router For example if the highest user suffix used by any MPOA servers configured on the router is 0011223344556677 selector byte value 77 you could assign the next available user suffix value 0011223344556678 selector byte value 78 You can set a unique selector byte value using either the BCC or Site Manager 305861 A Rev 00 Using the BCC Customizing MPOA Services To customize the selector byte of the control ATM address value inherited by the MPS navigate to the desired MPS and enter control atm address lt 20_byte_octet_string gt For example on a System 5000 router the following commands Navigate to the MPOA service on atm 5 3 1 Navigate to mps newyork and reenter the full control ATM address from the MPOA service level as the value for the MPS control atm address parameter but with a unique value for the selector byte stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps newyork mps newyork control atm address 45112233445566778899AABBCC1 1223344556678 mps newyork Using Site Manager This procedure assumes that the MPS Address Generate Mode parameter in the MPOA Server Attributes window has been set to manual To specify the MPS control ATM address selector byte complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface A
26. between local MPCs and the MPOA router It receives MPOA address resolution requests from MPCs and passes them to the MPOA routing function The MPOA router using NHRP resolves the address and passes the requested ATM address back to the MPS The MPS in turn forwards the resolved address to the requesting MPC BayRS provides MPOA server functionality MPOA Basic Elements MPOA services provided by each Nortel Networks router depend on the existence of e An ATM emulated LAN using LANE between each MPC and its MPS e An ATM emulated LAN ATM Classical IP RFC 1577 SVC or an ATM PVC between any two MPSs See Figure 1 1 on page 1 2 NHRP to resolve ATM and IP source and destination addresses e IP to route NHRP packets and other traffic between MPSs 309249 14 00 Rev 00 Understanding MPOA and NHRP For more information about Go to IP Configuring IP Services LANE Configuring ATM Services NHRP NHRP on page 1 7 Establishing a Network Cut Through MPOA components and elements function together to establish an SVC between a source host and a destination host as follows 1 A local MPC monitors traffic flow and maintains a count of packets addressed over a specific interval to remote hosts When the count exceeds a threshold value the MPC attempts to establish an SVC to the host To establish the virtual connection the MPC needs the ATM address of the host The MPC first checks a
27. information Errors Rx Errors Tx Link Protocol Local Errors Local Retry Network Protocol Purge ACK Purge NAK Purge Request Register ACK Register NAK Register Request Resolve ACK Resolve NAK Resolve Request Unsolicit Purge The number of NHRP error indication packets received by this client The number of NHRP error indication packets transmitted by this client The layer 2 protocol used by this client ATM or frame relay The number of local errors that occurred on this client The number of retries made for client requests The layer 3 protocol used by this client for example IP The number of positive NHRP purge replies received by this client The number of negatively acknowledged NAK NHRP purge replies received by this client The number of NHRP purge requests transmitted by this client The number of positively acknowledged NHRP registration replies received by this client The number of negatively acknowledged NAKed NHRP registration replies received by this client The number of NHRP registration requests transmitted by this client The number of positively acknowledged NHRP resolution replies received by this client The number of NAKed NHRP resolution replies received by this client The number of NHRP resolution requests transmitted by this client The number of unsolicited purge requests received by this client 309249 14 00 Rev 00 C 13 Configuring MPOA and NHRP Services show
28. mps eastcoast maximum cache size 300 mps eastcoast Using Site Manager To set the maximum cache size complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Setthe Maximum Cache Size parameter Click on Help or see the parameter description on page A 13 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window continued 305861 A Rev 00 3 27 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Deleting MPOA Servers You can use either the BCC or Site Manager to delete one or more MPSs from an MPOA service record Using the BCC To delete a single MPS navigate to the MPS that you want to delete and enter delete For example on a System 5000 router the following commands navigate to and delete the MPS on mpoa
29. nhrp interfaces The show nhrp interfaces command displays information about NHRP interfaces configured on the router You can control the output of this command by specifying the following filters in any combination enabled Displays information only about NHRP interfaces with a configured state of enabled disabled Displays information only about NHRP interfaces with a configured state of disabled pvc Displays NHRP interface information only for permanent virtual circuits PVCs service servicename Displays NHRP interface information for this service only slot s ot module connector Displays information about NHRP interfaces on this slot and optionally connector only Supply a module argument only for ASN and System 5000 platforms SVC Displays NHRP interface information for switched virtual circuits SVCs only Examples show nhrp interfaces enabled show nhrp interfaces disabled pvc show nhrp interfaces enabled service alpha slot 3 show nhrp interfaces svc service beta show nhrp interfaces enabled service beta slot 4 When you enter this command with or without filters the BCC displays the following information Link Protocol The layer 2 protocol used by this NHRP interface ATM Network Protocol The layer 3 protocol used by this NHRP interface IP Packets Tx The number of NHRP packets sent from this interface Service The unique name assigned to the service record by a use
30. 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 Nortel 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 Nortel Networks warrants each item of Software as delivered by Nortel Networks and properly installed and operated on Nortel 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 Nortel Networks will at its discretion provide a suitable fix patch or workaround for the problem that may be included in a future Software release Nortel 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 Nortel Networks will replace defective media at no charge if it is returned to Nortel Networks during the warranty period along with proof of t
31. on slot 3 only Displays statistical data for MPOA server boston only 309249 14 00 Rev 00 C 9 Configuring MPOA and NHRP Services When you enter this command with or without filters the BCC displays the following information Cache Imposition Reply Rx The number of successful MPOA cache imposition replies received by this MPS that contain an MPOA CIE code 0x00 success Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB Cache Imposition Req Tx The number of MPOA cache imposition requests transmitted by this MPS Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB Configuration Indicates whether this MPOA server configured automatically using timer information from the LECS or manually using local timer parameter values set for this MPOA server when last initialized Control ATM Address The unique control ATM address used by this MPS to obtain address for example ATM domain information The address includes a network prefix and a user suffix Default Holding Time The holding time in minutes used for NHRP resolution replies An egress MP
32. oriented commands such as help lt object_name gt and help lt parameter_name gt For more information on these commands see Using the Bay Command Console BCC Note that the values you set for some parameters depend on the current settings of other parameters Accept all default settings for NHRP unless your network has special configuration requirements This appendix contains the following information Topic Page MPOA Service Record Parameters B 2 MPS Parameters B 4 MPOA Server Parameters B 8 NHRP Global Parameters B NHRP Interface Parameter B 13 309249 14 00 Rev 00 B 1 Configuring MPOA and NHRP Services MPOA Service Record Parameters This section describes the parameters for configuring an MPOA service record mpoa service Parameter autogenerate Path box or stack gt atm gt mpoa service Default enabled Options enabled disabled Function Specifies whether the MPS is enabled to automatically use the ATM network prefix value it receives from the network switch If you disable autogeneration the MPS derives ATM network prefix from your manually configured values for MPOA service parameters network prefix and user suffix Back to Setting the MPS Address Generating Mode on page 3 3 Parameter network prefix Path box or stack gt atm gt mpoa service Default None Options XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF XX 39 45 or 47 Func
33. responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes 4 Click on MPS The MPOA Service Record window opens The MPS List window opens 5 Click on the MPS that you want to modify 6 Set the Enable Disable parameter Click on Help or see the parameter description on page A 7 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window 305861 A Rev 00 3 9 Configuring MPOA and NHRP Services Specifying the MPS Configuration Mode The MPS configuration mode determines whether the MPS obtains configuration parameter values for example timer settings automatically from the LAN emulation configuration server LECS or from the manual settings that you provide Once you determine the source from which the router must obtain MPS configuration parameter values set the MPS configuration mode to either automatic or manual accordingly In manual mode you either accept the router s MPS default timer values or change those values to suit your requirements see Defining MPS
34. than the configured maximum number of entries the last entries are discarded In most configurations accept the default value 1 3 6 1 4 1 18 3 5 3 23 1 1 13 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Server Max Pending Request Entries Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 100 1 to 100 Specifies the maximum number of pending requests that the router will queue In most configurations accept the default value Ensure that you have sufficient memory space to accommodate the number of pending requests that you specify 1 3 6 1 4 1 18 3 5 3 23 1 1 14 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 A 18 309249 14 00 Rev 00 Site Manager Parameters NHRP Interface Parameters Parameter Path Default Options Function Instructions MIB Object ID This section describes the only configurable parameter of an NHRP interface Enable Configuration Manager gt Protocols gt IP gt NHRP gt Interfaces Enable Enable Disable Enables or disables NHRP on an ATM interface Accept the default value Enable to enable NHRP on the ATM interface Select Disable to disable NHRP on the interface 1 3 6 1 4 1 18 3 5 3 23 2 1 2 309249 14 00 Rev 00 A 19 Appendix B BCC Parameters This appendix contains BCC parameter descriptions for MPOA and NHRP services You can display the same information using BCC help
35. which allows MPOA servers MPSs configured on that service to operate normally If you need to functionally disable all MPSs configured on a service simultaneously disable the underlying MPOA service You can do this using either the BCC or Site Manager Using the BCC To disable an MPOA Service navigate to that service and enter state disabled or To reenable an MPOA Service navigate to that service and enter state enabled For example on a System 5000 router the following commands e Navigate from root stack level to the MPOA service on existing interface atm 5 3 1 Assume that ATM signalling was enabled earlier with atm 5 3 1 e Disable the MPOA service functionally disabling all MPSs configured on atm 5 3 1 e Reenable the same MPOA service functionally reenabling all MPSs configured on atm 5 3 1 stack atm slot 5 module 3 connector 1 atm 5 3 1 mpoa service mpoa service 5 3 1 state disabled mpoa service 5 3 1 state enabled mpoa service 5 3 1 3 2 305861 A Rev 00 Customizing MPOA Services Using Site Manager To disable or reenable the MPOA service record complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPO
36. 00 Rev 00 Site Manager Parameters MPOA Service Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID This section describes the parameters for configuring an ATM MPOA service record Enable Disable Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes Enable Enable Disable Enables or disables the MPOA service record on this interface Accept the default Enable if you want the MPOA service record to remain enabled on this interface Select Disable if you do not want the MPOA service record enabled on this interface 1 3 6 1 4 1 18 3 5 9 10 1 1 2 Back to Disabling and Reenabling an MPOA Service on page 3 2 MPS Address Generate Mode Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes Automatic Automatic Manual Specifies whether the MPS uses the network prefix it receives from the local switch automatic mode or uses address information that you specify manual mode Accept the default Automatic if you want the server to use the network prefix it receives from the local switch and the MAC address from the underlying ATM interface Select Manual if you want the server to use the address information network prefix and user suffix that you specify 1 3 6 1 4 1 18 3 5 9 10 1 1 7
37. 05861 A Rev 00 Customizing MPOA Services Defining MPS Cache Values The MPS can contain cache information upon initialization and can accumulate this information during its operation Bay Networks provides control over this cache information 5 Caution The values you set for cache parameters affect router memory resources Use caution when setting higher values Setting the Initial Cache Size The initial cache size specifies the maximum number of cache units that the MPS can keep upon initialization By default the MPS can have a maximum initial cache size of 100 units Its actual initial size is typically zero You can use either the BCC or Site Manager to set the maximum initial cache size to any value from 50 to 500 units Using the BCC To set the initial cache size navigate to the appropriate MPS and enter initial cache size lt 50 500 gt For example on a System 5000 router the following BCC commands navigate from root level to mps eastcoast and set the MPS initial cache size to 150 units stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast initial cache size 150 mps eastcoast 305861 A Rev 00 3 25 Configuring MPOA and NHRP Services Using Site Manager To set the initial cache size complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface
38. 13 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 Nortel Networks NA Inc reserves the right to make changes to the products described in this document without notice Nortel Networks NA 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 may be 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 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 WARR
39. A 3 MPOA Server MPS Parameters socic sisestssocnsscscgesieis cm eda an sicubi eudeniaonsneubin aud ME Naa A 5 MPS du Patatas cosas abte bv ier tivesaaduen e BR Ext dco Pet dede oom qua beim etuer RS A 5 MPS Gperslonal PISTE B 2 cox ecd aat pc EARE eb vd pacto E po E A 7 NARF GODAL chin TETTE ETE A 14 NHRP interface Farameters EN A 19 Appendix B BCC Parameters MPOA Service Record Parameters issisocevidissineiiinineiissinieiiianeieiiaiiiiias T B 2 MFS PEAT RIOR ouis hubo taxe RR Hebe auda ebd asa peak aan epo B 4 xe Saer PIOUS MOTTO ETT B 8 Wixigigit serine B 9 NARR IoC a Para TTD D T 1 m B 13 Appendix C Monitoring MPOA and NHRP Services Online Help for los Gommands 21er adnot aedi cap qoc it aae dnas ORE ipo A CS Wet A A isu T A EA AA T C 3 show MPO caches All Me eae erence C 3 EON DD CC CS Coe pe HER nes sagas EE DD T eta vd d REA ra nate pa C 4 show mpoa caches ingress DU EET NT EUN C 6 Show FOS ci e M C 7 show mpa server config elit usos seien bak kai kc kb dab xtd Edad C 7 show mpoa server stats auan T RERO eoe eI T T peels a O 9 SEE NINE CE C 12 show nh cient configuration cisiicstseitecercimeindeincis ic tissu aa aani C 12 show niwp CUI STAN oorsit E OES C 13 CUPS DD TTE TT TTE C 14 show nhro server CONN IU ING E mo S S m LES C 15 show np Serve SIBIS rirorio ise a etie eo R aa reri um exa ME C 15 309249 14 00 Rev 00 vii Appendix D Example Config
40. A Service Record window opens 4 Setthe Enable Disable parameter Click on Help or see the parameter description on page A 3 5 Click on Done You return to the Edit ATM Connector window 6 Click on Done You return to the Select Connection Type window 7 Click on Done You return to the Configuration Manager window Setting the MPS Address Generating Mode By default a newly created MPS automatically uses the 13 byte ATM address domain that it receives from the network switch In this default mode automatic address generation the MPS also uses the MAC address of the underlying ATM interface as the basis for the 7 byte user suffix of the MPS address You can alternatively configure a new MPS with an ATM address that you provide in the MPOA service record Whether derived automatically by MPOA or manually from the MPOA service record the address assigned to each MPS is its control ATM address You can use the BCC or Site Manager to change the MPS address generation mode from automatic to manual 305861 A Rev 00 3 3 Configuring MPOA and NHRP Services Using the BCC To set the MPS address generating mode navigate to the appropriate ATM mpoa service and enter the following command autogenerate enabled disabled With this mode enabled the MPS automatically generates an ATM address based on information it receives from an LECS If you disable this mode the MPS uses an ATM address base
41. A Services For example on a System 5000 router the following commands e Navigate to the MPOA service on atm 5 3 1 e Check to ensure that ATM address generation is in manual mode e Seta control ATM address network prefix and user suffix mpoa service 5 3 1 autogenerate autogenerate disabled mpoa service 5 3 1 network prefix 39aabbccddeeffaabbccddeeff mpoa service 5 3 1 user suffix abcdefabcdefab mpoa service 5 3 1 Using Site Manager This procedure assumes that the MPS Address Generate Mode parameter in the MPOA Server Attributes window has been set to manual Now specify the control ATM address network prefix by completing the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Set the Ctrl ATM Addr Network Prefix and Ctrl ATM Addr User Part parameters Click on Help or see the parameter descriptions on page A 4 5 Click on Done You return to the Edit ATM Connector window 6 Click on Done You return to the Select Connection Type window 7 Click on Done You return to the Configuration Manager window 305861 A Rev 00 3 7 Configuring MPOA and NHRP Services Disabling and Reenab
42. ANTIES 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 ii 309249 14 00 Rev 00 Nortel Networks NA 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 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 NORTEL 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 Nortel Networks NA Inc Nortel Networks grants the end user of the Software Licensee a personal nonexclusive nontransferable license a to use the Software either on a single 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 s
43. An NHRP resolution request is generated by an NHC and routed through the ATM topology Functionally equivalent to a standard ARP request it contains the layer 3 and layer 2 address of the originator the layer 3 address of the target destination and a blank field reserved for the layer 2 address of the target As implemented by Nortel Networks the NHRP resolution request contains the IP and ATM addresses of the originator and the IP address of the target e NHRP resolution reply An NHRP resolution reply is generated by an NHS in response to an NHRP resolution request Like an NHRP resolution request it is routed through the ATM topology It is functionally equivalent to a standard ARP response in that it replicates the information in the NHRP resolution request and supplies the requested layer 2 ATM address e NHRP registration request An NHRP registration request is generated by an NHC and directed toward the local NHS The NHRP registration request is used to register address mapping data gathered by the NHC with the NHS The NHS places mapping data in its next hop cache 309249 14 00 Rev 00 1 7 Configuring MPOA and NHRP Services e NHRP registration reply An NHRP registration reply is generated by an NHS in response to an NHRP registration request It provides positive or negative acknowledgment of data receipt e NHRP purge request An NHRP purge request can be generated by either an NHC or an NHS It requests the re
44. BayRS Version 14 00 Part No 309249 14 00 Rev 00 September 1999 4401 Great America Parkway Santa Clara CA 95054 Configuring MPOA and NHRP Services NORTEL NETWORKS Copyright 1999 Nortel Networks All rights reserved Printed in the USA September 1999 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 Nortel Networks NA 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 NORTEL NETWORKS is a trademark of Nortel Networks AN BCN BLN BN and Bay Networks are registered trademarks and Advanced Remote Node ANH ARN ASN BayRS BCC and System 5000 are trademarks of Nortel Networks All other trademarks and registered trademarks are the property of their respective owners Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 70
45. FFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 Specifies the ATM network prefix of the LECS from which a new MPS can obtain configuration values automatically The MPS Config Mode must be set to automatic for this to occur The network prefix specifies the ATM domain of which this MPOA server is a part The XX byte must be 39 45 or 47 This value defines the authority and format identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the AFI byte see the ATM Forum UNI specification Enter the network prefix for the LECS you want the MPS to use Use the network prefix of the well known LECS if you have no other address to use 1 3 6 1 4 1 18 3 5 9 10 2 1 15 Back to Specifying a LECS ATM Address on page 3 11 LECS ATM Address User Part Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS gt Add None 00000000000000 to FFFFFFFFFFFFFF Specifies the user part suffix of the LECS from which a new MPS can obtain configuration values automatically The MPS Config Mode must be set to automatic for this to occur The user part suffix consists of a 6 byte end station identifier and a 1 byte selector field The user part and the network prefix form a complete ATM address Enter the ATM address user part of the LECS that you want the MPS to use 1 3 6 1 4 1 18 3 5 9 10 2 1 15 Back to Spe
46. M Connector window 14 Click on Done You return to the Select Connection Type window 15 Click on Done You return to the Configuration Manager window 309249 14 00 Rev 00 2 13 Configuring MPOA and NHRP Services Starting NHRP on an ATM Classical IP RFC 1577 SVC Service To allow normally routed traffic to flow through an ATM SVC Classical IP service and between MPSs enable IP plus an optional routing protocol on that IP interface Configure RIP or OSPF if no routed path exists between MPSs in your ATM network To allow NHRP address resolution requests and replies to flow through the same ATM Classical IP SVC service and between MPSs you must enable NHRP on that service You can use either the BCC or Site Manager to add IP RIP or OSPF and NHRP to the appropriate ATM Classical IP SVC service When configuring an RFC 1577 SVC connection between a pair of MPSs keep the following in mind The SVCs must use LLC SNAP encapsulation you cannot use NLPID or NULL encapsulation on the SVC e You must configure the SVC with IP and NHRP e To avoid manually configuring adjacent hosts for each MPS you may want to configure the SVC to run RIP e Set the client mode for the SVC to client on one MPS and server on the other MPS For instructions on configuring an SVC service record with LLC SNAP encapsulation see Configuring ATM Services Using the BCC To add IP RIP or OSPF
47. M interface ATM1 on which you want to add NHRP System responds The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on Service Attributes The ATM Service Records List window opens Click on the ATM LANE service record to which you want to add NHRP Click on the Protocols menu in the upper left hand corner of the window Choose Add Delete The Select Protocols window opens Select IP RIP and NHRP Click on OK The IP Configuration window opens ojo NID Set the following parameters IP Address Subnet Mask Transmit Bcast Address Click on Help or see Configuring IP ARP RIP and OSPF Services for parameter descriptions continued 309249 14 00 Rev 00 2 7 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 10 Click on OK The NHRP Network Configuration window opens 11 Set the following parameters or use default values NHRP Request Path View Only Client Enable Client Reg Interval Client Hold Time Client Request Timeout Client Request Retry Client Max Pending Request Entries Server Enable Server Forward Enable Server Max Next Hop Entries Server Max Pending Request Entries Click on Help or see the parameter descriptions beginning on page A 14 12 Click on OK You return to the ATM Service Records List wi
48. MPS List window opens 5 Click on the MPS that you want to modify 6 Setthe Keep Alive Life Time parameter Click on Help or see the parameter description on page A 12 Click on Done You return to the MPOA Service Record window Click on Done You return to the Edit ATM Connector window Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Setting the Initial Retry Time The initial retry time is used by the MPOA retry mechanism By default the value is 5 seconds However you can set this value from 1 to 300 seconds using either the BCC or Site Manager 305861 A Rev 00 3 19 Configuring MPOA and NHRP Services Using the BCC To set the initial retry time navigate to the appropriate MPS and enter initial retry time 1 300 For example on a System 5000 router the following commands navigate from root level to mps eastcoast and set the MPS initial retry time to 50 seconds stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast initial retry time 50 mps eastcoast Using Site Manager To set the initial retry time complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type w
49. ND CONDITIONS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE ENTIRE AND EXCLUSIVE AGREEMENT BETWEEN NORTEL 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 NORTEL NETWORKS UNLESS NORTEL NETWORKS GIVES ITS EXPRESS WRITTEN CONSENT INCLUDING AN EXPRESS WAIVER OF THE TERMS OF THIS AGREEMENT iv 309249 14 00 Rev 00 Contents Preface rn pese niis Ir e NE NT sce alta Calis OL xiii NH En I occ sacoes teats A A E A O eons cadet ea E E ET xiv PC DI E m I TT xvi Hard Copy Technical BASES 1uiisiucasidou sieaa Bak sag acc a drained xviii ig REC Mu e m xviii Chapter 1 Understanding MPOA and NHRP AIM General Infor Wet IGtl nanen atecact p EYVRREE UI eut a 1 1 Kul Prolocol ovar II MM 1 2 MPOA Legit Compong B iios iani bn Fa ELIO Eta Kan OC E c 1 3 MPOA Basie Elemo E 1 4 Establishing a Network Cut TRrOUOR 41e wanes petra be a Ha as 1 5 gc Gamerrtrre rr oerr ee endi nose tie te cr atn EeYO cH pb E Gel uei E pax deme ua RE top LEE DE peer DRE 1 7 For More WTGRIMAION e M 1 8 pica Bosque T TS 1 9 Chapter 2 Starting MPOA and NHRP Services Sari Do TOOS dace RED Ph REEL RE ebrei casn daa eere eade 2 1 Staring the MPOA ISSUE ssassceniudut nn Gau buona GU SURE Re 2 2 Creating an MPOA Service PIOGODINI iuxiicccasetiusccespetesci
50. POA caches on ATM interfaces configured on the router You can enter the following optional versions of this command show mpoa caches all show mpoa caches egress show mpoa caches ingress In addition you can constrain the output of these commands by specifying the following filters in any combination active Displays information about MPOA active caches only inactive Displays information about MPOA inactive caches only slot s ot Displays information about MPOA caches on ATM interfaces configured on this slot only show mpoa caches all The show mpoa caches all command displays information about all MPOA ingress and egress caches on ATM interfaces configured on the router The following examples also show how to apply some of the filters described in show mpoa caches Examples show mpoa caches all Displays information about active and inactive MPOA ingress and egress caches on all slots show mpoa caches all slot 3 Displays information about active and inactive MPOA ingress and egress caches on slot 3 only continued 309249 14 00 Rev 00 C 3 Configuring MPOA and NHRP Services show mpoa caches all active Displays information about active MPOA ingress and egress caches only on all slots show mpoa caches all inactive Displays information about inactive MPOA ingress and egress caches only on all slots show mpoa caches all active slot 3 Displays information about active MPOA ingres
51. S may use local information to determine a more appropriate holding time Egress Purge Reply Tx The number of MPOA egress cache purge replies transmitted by this MPS Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB Egress Purge Req Rx The number of MPOA egress cache purge requests received by this MPS Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB Give Up Time The maximum amount of time in seconds that this MPS must wait before giving up on a pending resolution request C 10 309249 14 00 Rev 00 Index Initial Retry Time Keep Alive Lifetime Keep Alive Time MPS Name Resolve Reply Ack Tx Resolve Request Rx Retry Time Maximum Slot State Monitoring MPOA and NHRP Services The value of the wfmpsIndex attribute in the MPS MIB Combined with the value of the wfmpsNextIndex attribute uniquely identifies this MPOA server entry in the wfmpsConfigTable The index value must remain unchanged in the event of MPS reinitialization but can change in the event of agent reinitialization The initial retry time in seconds used by the MPOA ret
52. TM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Setting the Valid Lifetime for Keepalive Packets The keepalive lifetime is the length of time that an MPOA client MPC considers valid a keepalive packet sent by its MPS The packet contains its keepalive value By default the keepalive lifetime is 35 seconds However you can set this value from 3 to 1000 seconds using either the BCC or Site Manager Using the BCC To set the keepalive lifetime navigate to the desired MPS and enter keep alive lifetime 3 171000 For example on a System 5000 router the following BCC commands navigate from root level to mps eastcoast and set the MPS keepalive lifetime to 500 seconds stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast keep alive lifetime 500 mps eastcoast 3 18 305861 A Rev 00 Using Site Manager Customizing MPOA Services To set the keepalive lifetime complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens Click on MPS The
53. TM1 that you want to modify The Select Connection Type window opens 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on Add The MPS Configuration Parameters window opens continued 305861 A Rev 00 3 15 Configuring MPOA and NHRP Services Site Manager Procedure continued 6 You do this Set the MPS Ctrl ATM Address Selector Byte parameter Click on Help or see the parameter description on page A 7 System responds 7 Click on Done 8 Click on Done You return to the MPS List window You return to the MPOA Service Record window 10 Click on Done Click on Done You return to the Edit ATM Connector window You return to the Select Connection Type window 11 Click on Done You return to the Configuration Manager window Defining MPS Timer Values Setting the MPS configuration mode to manual allows you to customize values for the following MPS timers Keepalive time Keepalive lifetime Initial retry time Maximum retry time Give up time Default holding time 3 16 305861 A Rev 00 Customizing MPOA Services Setting the Transmission Interval for MPOA Keepalive Packets The keepalive time specifies how often the MPS must transmit MPOA keepalive packets By default th
54. al MPOA servers 8 Go to the next section Starting NHRP on an ATM LEC PVC or Classical IP Service or go to the next step to exit this procedure 9 Click on Done You return to the MPOA Service Record window 10 Click on Done You return to the Edit ATM Connector window 11 Click on Done You return to the Select Connection Type window 12 Click on Done You return to the Configuration Manager window Starting NHRP on an ATM LEC PVC or Classical IP Service Before configuring NHRP on a Nortel Networks router determine the type of link between each pair of MPSs in your ATM network After making this determination configure IP RIP or OSPF and NHRP on the LEC PVC or Classical IP service as determined for each MPS to MPS link 309249 14 00 Rev 00 2 5 Configuring MPOA and NHRP Services Note Enabling RIP or OSPF on an LEC PVC or Classical IP SVC service is unnecessary if your network already has a routed path between MPSs Based on each type of link between two MPSs proceed as follows MPS Link Service Go to Emulated LAN ELAN LEC service Starting NHRP on an ATM LEC Service Permanent virtual circuit PVC service Starting NHRP on an ATM PVC PVC Service Switched virtual circuit Classical IP service Starting NHRP on an ATM Classical IP SVC REC 1577 SVO Service Starting NHRP on an ATM LEC Service To allow LANE an
55. ameter descriptions for the LECS ATM Addr Network Prefix and LECS ATM Address User Part parameters on page A 6 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window 305861 A Rev 00 3 13 Configuring MPOA and NHRP Services Note When you initially add a LECS ATM address you do so by configuring a separate ATM network prefix and ATM user part However when you modify an existing LECS ATM address you need only change one parameter that contains both the ATM network prefix and the ATM user part suffix portion of the LECS address Configuring a Unique Selector Byte for an MPS Address If you disable ATM address autogeneration a newly created MPS uses the control ATM address user suffix that you configured in the MPOA service record However to ensure uniqueness among all ATM addresses used on the router you must additionally specify a unique value for the 1 byte selector field of the MPS ATM address You can determine the user suffix values for MPSs currently configured on the router by entering the following command at any BCC prompt show mpoa server Based on the output of this command assign to each new MPS a selector byte value that is unique among selector byte values used for
56. ameter only at the service record level None 1 3 6 1 4 1 18 3 5 9 10 2 5 Back to Specifying an MPS Control ATM Address on page 3 5 MPS Config Mode Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS Automatic Automatic Manual Specifies whether the MPS configures automatically that is uses timer information from the LECS or manually that is uses timer information from the MPS List window Accept the default Automatic if you want the server to configure automatically If automatic you must enter in the MPS Add window the ATM address network prefix and user suffix of the LEC that you want the MPS to use Select Manual if you do not want the server to autoconfigure If manual you do not have to enter any ATM address information in the MPS Add window 1 3 6 1 4 1 18 3 5 9 10 2 1 4 Back to Specifying the MPS Configuration Mode on page 3 10 309249 14 00 Rev 00 A 9 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Default Holding Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 20 1 to 120 Specifies in minutes the time used in NHRP resolution replies Accept the default 20 or enter a value from 1 to 120 1 3 6 1 4 1 18 3
57. amples also show how to apply some of the filters described in show mpoa caches Examples show mpoa caches ingress show mpoa caches inegress slot 3 show mpoa caches ingress active show mpoa caches ingress inactive show mpoa caches ingress active slot 3 Displays information about active and inactive MPOA ingress caches on all slots Displays information about active and inactive MPOA ingress caches on slot 3 only Displays information about active MPOA ingress caches only on all slots Displays information about inactive MPOA ingress caches only on all slots Displays information about active MPOA ingress caches on slot 3 only When you enter this command with or without filters the BCC displays the following information Dest ATM Address The ATM Address resolved by an ingress MPC Dst Prot Address The ingress MPS destination internetwork layer address Hold Time The time interval during which this value is valid Index The MPS index associated with this entry MPOA Server The user assigned name of the MPS Slot The number of the slot on which this MPS is configured Source ATM Address The ATM address associated with the source of this MPOA request ingress the ingress MPC s control ATM address Src Prot Addr The ingress MPS source internetwork layer address State The operational state of this cache entry C 6 309249 14 00 Rev 00 Monitoring MPOA and NHRP Services show mpoa ser
58. artment 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 Nortel Networks of any such intended examination of the Software and may procure support and assistance from Nortel Networks 7 Term and termination This license is effective until terminated however all of the restrictions with respect to Nortel Networks copyright in the Software and user manuals will cease being effective at the date of expiration of the Nortel Networks copyright those restrictions relating to use and disclosure of Nortel 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 Nortel Networks the Software user manuals and all copies Nortel Networks is not liable to Licensee for damages in any form solely by reason of the termination of this license 8 Export and Re export Licensee agrees not to export dir
59. ce record on the ATM interface atm 5 1 mpoa service mpoa service 5 1 10 Create an MPOA server named mps1 mpoa service 5 1 mps mps1 mps mpsl 11 Go back to the ATM interface context mps mpsl back mpoa service 5 1 back atm 5 1 12 Create an LEC service record on the ATM interface atm 5 1 lec service lane_e1 lec service lane_el 309249 14 00 Rev 00 D 5 Configuring MPOA and NHRP Services 13 Create an mpoa server mapping object on this LEC service lec service lane_el mpoa server mpsname mps1 mpoa server lane eld The mpoa server object maps this LEC service to a specific MPOA server MPS1 14 Go back to the LEC service record mpoa server lane_el back lec service lane_el 15 Enable NHRP and IP on the LEC service record lec service lane el14 nhrp nhrp lane e14 back lec service lane_el ip 1 1 1 1 255 255 255 0 16 Go back to the ATM interface context and create a LEC service for ELAN X ip 1 1 1 1 255 255 255 04 back lec service lane_el back atm 5 1 lec service lane_ex 17 Create an mpoa server object on this LEC service lec service lane_ex mpoa server mpsname mps1 mpoa server lane_ex The mpoa server object maps this LEC service to an MPOA server which in this case is the same one mapped to lec service lane_el 18 Go back to the LEC service record mpoa server lane_ex back lec service lane exi 19 Enable NHRP and IP on th
60. ce using Site Manager complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on an ATM link module interface for opens example ATM1 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Server Parameters window opens 4 Click on OK The MPOA Service Record window opens 5 Go to the next section Adding an MPOA Server or go to the next step to exit this procedure 6 Click on Done You return to the Edit ATM Connector window continued 309249 14 00 Rev 00 2 3 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 7 Click on Done You return to the Select Connection Type window 8 Click on Done You return to the Configuration Manager window By default when you enter and then exit the MPOA Service Record window you automatically create and enable the MPOA service record using the default settings You need only enter and exit this window one time to create and enable the MPOA service record However for MPOA to operate you must add at least one MPS to the service record Note You can have only one MPOA service record per ATM interface However this service record can contain up to four MPSs Adding an MPOA Server You must add at lea
61. cifying a LECS ATM Address on page 3 11 A 6 309249 14 00 Rev 00 Parameter Path Default Options Function Instructions MIB Object ID Site Manager Parameters MPS Ctrl ATM Address Selector Byte Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS gt Add None 00 to FF Specifies a 1 byte selector field for the MPS You need only configure this parameter when the control ATM address generate mode is manual The MPS uses the end station identifier of the service record control ATM address user part However each MPS must have a unique selector field value Enter a unique 1 byte selector field for the MPS 1 3 6 1 4 1 18 3 5 9 10 2 5 Back to Configuring a Unique Selector Byte for an MPS Address on page 3 14 MPS Operational Parameters Parameter Path Default Options Function Instructions MIB Object ID This section describes the operational parameters you can customize for a new MPS Enable Disable Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS Enable Enable Disable Enables or disables the selected MPS Accept the default Enable if you want the MPS to remain enabled on this interface Select Disable if you do not want the MPS enabled on this interface 1 3 6 1 4 1 18 3 5 9 10 1 1 2 Back to Disabling and Reenabling MPOA Servers on page 3 8
62. cipient to delete previously cached information that has become invalid e NHRP purge reply An NHRP purge reply is generated by either an NHC or an NHS in response to an NHRP purge request It provides positive acknowledgment of data receipt NHRP error indication An NHRP error indication can be generated by either an NHC or an NHS It conveys error status to the sender of an NHRP message For More Information For more information about MPOA and NHRP refer to the following documents Heinanen J Multiprotocol Encapsulation over ATM Adaptation Layer 5 RFC 1483 Network Working Group July 1993 Cole B N Doraswamy D Katz J Luciani D Piscitello NBMA Next Hop Resolution Protocol NHRP RFC 2332 April 1998 1 8 309249 14 00 Rev 00 Understanding MPOA and NHRP Where to Go Next Use the following table to determine where to go next If you want to Go to Learn about ATM and PVCs Configuring ATM Services Learn about LAN emulation Start MPOA and NHRP services Chapter 2 Change default settings for MPOA server parameters Chapter 3 Change default settings for NHRP client or server Chapter 4 parameters Obtain information about Site Manager parameters Appendix A Obtain information about BCC parameters Appendix B Monitor ATM using the BCC show commands Appendix C Review an example MPOA NHRP configuration Appendix D sequence Review the BCC configuration tree for MPOA and NHRP
63. d normally routed traffic to flow through an ATM LEC service and between MPSs enable IP and optionally a routing protocol RIP or OSPF on that IP interface To allow NHRP address resolution requests and replies to flow through the same ATM LEC service and between MPSs you must enable NHRP on that service You can use either the BCC or Site Manager to add IP RIP or OSPF and NHRP to an LEC service Using the BCC To add IP RIP or OSPF and NHRP to an existing LEC service 1 Navigate to the appropriate lec service prompt and enter nhrp 2 Navigate back to the lec service prompt and enter ip address P address mask subnet mask 3 Atthe resulting IP interface prompt add the desired routing protocol RIP or OSPF rip 2 6 309249 14 00 Rev 00 Starting MPOA and NHRP Services For example on a System 5000 router the following BCC commands navigate to the lec service named newyork and add NHRP IP and RIP to that service stack atm 5 3 1 atm 5 3 1 lec service newyork lec service newyork nhrp nhrp newyork back ip 1 2 3 4 255 0 0 04 rip rip 1 2 3 4 When you add NHRP to any ATM LEC service the BCC automatically creates the global NHRP object at root level if you have not already done so Using Site Manager To add NHRP to an existing LEC service complete the following tasks Site Manager Procedure You do this 1 In the Configuration Manager window click on the AT
64. d on the value you configured for the network prefix and user suffix parameters of the MPOA service record If you disable address autogeneration be sure to configure values for network prefix and user suffix For example on a System 5000 router the following commands Navigate to the mpoa service on ATM interface atm 5 3 1 on a System 5000 router Disable ATM address autogeneration stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 autogenerate disabled Using Site Manager To set the MPS address generating mode complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens Set the MPS Address Generate Mode parameter Click on Help or see the parameter description on page A 3 continued 3 4 305861 A Rev 00 Customizing MPOA Services Site Manager Procedure continued You do this System responds 5 Click on Done You return to the Edit ATM Connector window 6 Click on Done You return to the Select Connection Type window 7 Click on Done You return to the Configuration Manager window Note The MPS Address Generate Mode parame
65. d t keen duepa ci tne ee adu Da ERE ReRUE 2 2 Adding An me m MEET T UU T 2 4 Starting NHRP on an ATM LEC PVC or Classical IP Service Rivage 2 5 Staring NHRP onan ATM LEG Server uique inr E Rr Ea ee d ee Rd cURRE Eds 2 6 Starting NHRP en an ATM PMG Servite iussisset tnr dent cuu ER re pad ax up 2 11 Starting NHRP on an ATM Classical IP RFC 1577 SVC Service 2 14 pyra O GO NEKE c P 2 16 309249 14 00 Rev 00 V Chapter 3 Customizing MPOA Services Disabling and Reenabling an MPOA Service sse 3 2 Setting the MPS Address Generating Mode sess 3 3 Specifying an MPS Control ATM Address m cera TES s iubes Bones EE NOMOR PERI a on d EP an EpR D ebd bina SE cta oa ug opa leet c br Qs 3 5 EESTI a LINE S 3 6 Disabling and Feenabling MPO Servels iiie ceeeeceieeeen retains niaaa 3 8 Specifying the MPS Configuration Made rette rerit enr nenne 3 10 Specifying a LECS ATM Address ere TT iea T Ree eis seinen beets 9 11 Earned llli Ae e vices sctitatved aaaea 3 12 LIEST es ADU RR ssatinianmleai iene TT S 3 12 Configuring a Unique Selector Byte for an MPS Address TN 3 14 Delfino MPS Vier VANES Luise apta n da OP prcda aa ra actus Re eda UR 3 16 Setting the Transmission Interval for MPOA Keiepalion PROKO isoiusiveteiwiscstidauayhes 3 17 Setting the Valid Lifetime for Keepalive Packets
66. d virtual circuit user to network interface virtual circuit virtual channel connection virtual channel identifier 309249 14 00 Rev 00 xvii Configuring MPOA and NHRP Services VCL virtual channel link VPC virtual path connection VPI virtual path identifier WAN wide area network Hard Copy Technical Manuals You can print selected technical manuals and release notes free directly from the Internet Go to support baynetworks com library tpubs Find the product for which you need documentation Then locate the specific category and model or version for your hardware or software product Using Adobe Acrobat Reader you can open the manuals and release notes search for the sections you need and print them on most standard printers You can download Acrobat Reader free from the Adobe Systems Web site www adobe com You can purchase selected documentation sets CDs and technical publications through the collateral catalog The catalog is located on the World Wide Web at support baynetworks com catalog html and is divided into sections arranged alphabetically e The CD ROMs section lists available CDs e The Guides Books section lists books on technical topics e The Technical Manuals section lists available printed documentation sets How to Get Help If you purchased a service contract for your Nortel Networks product from a distributor or authorized reseller contact the technical support staff for that dist
67. e Options 00000000000000 to FFFFFFFFFFFFFF Function Specifies the user part suffix of the ATM address for the MPOA service record The user part suffix consists of a 6 byte end station identifier and a 1 byte selector field The router uses the MPOA service record address information as a base when creating a new MPS The router configures this value for you in automatic mode You must configure this value in manual mode Instructions Enter an ATM address user part manual mode only MIB Object ID 1 3 6 1 4 1 18 3 5 9 10 2 5 Back to Specifying an MPS Control ATM Address on page 3 5 MPOA Server MPS Parameters This section describes the parameters for configuring an ATM MPOA server MPS on an MPOA service record You must e Add anew MPS see the next section MPS Add Parameters e Customize MPS operational parameters see MPS Operational Parameters on page A 7 MPS Add Parameters This section describes the parameters for creating adding a new MPS on an MPOA service 309249 14 00 Rev 00 A 5 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID LECS ATM Addr Network Prefix Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS gt Add None XX000000000000000000000000 to XXFFFFF
68. e LEC service record lec service lane ex4 nhrp nhrp lane ex4 back lec service lane_ex ip 2 1 1 1 255 255 255 0 D 6 309249 14 00 Rev 00 Example Configuration 20 Go back to root level and display the entire router configuration recursively in verbose mode This reveals the current settings for the parameters of every configured object box show config r v box type freln build version BayRS 13 20 int24 BCC 4 20 int24 builder vobadm contact system name location mib counters enabled help file name console slot mask 1 2 345078 9 10 11 12 13 14 board slot 1 type srml back board slot 2 type esafnf back board slot 5 type atmcoc3mm back nhrp client enabled client registration interval 25 client hold time 30 client request timeout 10 client request retry 3 client requests maximum 100 server enabled server forwarding enabled 309249 14 00 Rev 00 D 7 Configuring MPOA and NHRP Services 21 Print the output of the show config command to a file that you can later import into the router using the BCC source command box show config file 2 atm cfg1 22 Exit the BCC interface box exit bcc exit 23 Go back to step 1 and repeat the procedure for MPS2 as described in Table D 1 on page D 3 D 8 309249 14 00 Rev 00 Appendix E BCC Configuration Tree for MPOA and NHRP Figure E 1 shows the BCC configuration tree for objects associated with MPOA and NHRP services
69. e value is 10 seconds However you can set the keepalive time to any value from 1 to 300 seconds using either the BCC or Site Manager Using the BCC To set the keepalive time navigate to the desired MPS and enter keep alive time lt 7 300 gt For example on a System 5000 router the following BCC commands navigate from root level to mps eastcoast and set the MPS keepalive time to 100 seconds stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast keep alive time 100 mps eastcoast Using Site Manager To set the keepalive time complete the following tasks Site Manager Procedure You do this System responds T In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Set the Keep Alive Time parameter Click on Help or see the parameter description on page A 12 Click on Done You return to the MPOA Service Record window continued 305861 A Rev 00 3 17 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 8 Click on Done You return to the Edit A
70. ectly 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 Nortel Networks 4401 Great America Parkway PO Box 58185 Santa Clara California 95054 8185 LICENSEE ACKNOWLEDGES THAT LICENSEE HAS READ THIS AGREEMENT UNDERSTANDS IT AND AGREES TO BE BOUND BY ITS TERMS A
71. elp or see Configuring IP ARP RIP and OSPF Services for parameter descriptions 6 Click on OK The ATM ARP Configuration window opens continued 309249 14 00 Rev 00 2 15 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 7 Set the following parameters ATM ARP Mode ARP Server ATM Address Network Prefix ARP Server ATM Address User Part Click on Help or see the parameter descriptions in Configuring ATM Services 8 Click on OK The NHRP Network Configuration window opens 9 Click on OK You return to the ATM Service Records List window 10 Click on Done You return to the Edit ATM Connector window 11 Click on Done You return to the Select Connection Type window 12 Click on Done You return to the Configuration Manager window Where to Go Next Use the following table to determine where to go next NHRP services If you want to Go to Obtain an overview of MPOA and NHRP operation Chapter 1 Change default settings for MPOA server Chapter 3 parameters Change default settings for NHRP client or server Chapter 4 parameters Obtain information about Site Manager parameters Appendix A Obtain information about BCC parameters Appendix B Monitor ATM using the BCC show commands Appendix C Review an example MPOA and NHRP configuration Appendix D process Review t
72. erver MPS to a LEC service complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on an ATM link module interface for example ATM1 The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on Mapping The LEC to MPS Mapping List window opens Click on any LEC that you want to map to the MPS Click on Mapping Site Manager maps the LEC to the MPS Repeat steps 8 and 9 to map any additional LECs Click on Done You return to the MPS List window 11 Click on Done Click on Done You return to the MPOA Service Record window You return to the Edit ATM Connector window 12 13 Click on Done Click on Done You return to the Select Connection Type window You return to the Configuration Manager window 2 10 309249 14 00 Rev 00 Starting MPOA and NHRP Services Starting NHRP on an ATM PVC Service To allow normally routed traffic to flow through an ATM PVC service and between MPSs enable IP plus an optional routing protocol RIP or OSPF on that IP interface Configure RIP or OSPF if no routed paths exist between MPSs in your ATM network To allow NHRP address resol
73. es using either the BCC or Site Manager 305861 A Rev 00 3 23 Configuring MPOA and NHRP Services Using the BCC To set the default holding time navigate to the desired MPS and enter default holding time 1 120 For example on a System 5000 router the following BCC commands navigate from root level to mps eastcoast and set the MPS default holding time to 90 minutes stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast default holding time 90 mps eastcoast Using Site Manager To set the default holding time complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Setthe Default Holding Time parameter Click on Help or see the parameter description on page A 10 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window 3 24 3
74. ev 00 Customizing NHRP Services Deleting NHRP Globally You can use either the BCC or Site Manager to delete NHRP services globally from the router Using the BCC To delete NHRP using the BCC you must first delete all NHRP interfaces configured on LEC PVC or SVC Classical IP services then delete the global NHRP object For example on a System 5000 router the following commands e Delete NHRP from lec service newyork and from pvc service chicago Delete global NHRP from all slots stack atm 5 3 1 atm 5 3 1 lec service newyork lec service newyork nhrp nhrp newyork delete lec service newyork pvc service chicago pvc service chicago nhrp nhrp chicago delete pvc service chicago stack stack nhrp nhrp atm ip delete stack Using Site Manager To globally delete NHRP complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens click on Protocols 2 Choose IP The IP menu opens 3 Choose NHRP The NHRP menu opens continued 309249 14 00 Rev 00 4 7 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 4 Choose Delete NHRP Site Manager prompts whether you want to delete NHRP 5 Click on Yes You return to the Configuration Manager window Where to Go Next Use the following table to determine where to go next
75. ger window Deleting an MPOA Service Record You can delete MPOA services from an ATM interface completely using either the BCC or Site Manager Using the BCC Navigate to the MPOA service you want to delete and enter delete 305861 A Rev 00 3 29 Configuring MPOA and NHRP Services For example on a System 5000 router the following commands navigate to and delete the MPOA service on interface atm 5 3 1 stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1s delete atm 5 3 1 Using Site Manager To delete MPOA from the interface entirely you must delete the MPOA service record To delete the MPOA service record complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on Delete Site Manager asks whether you really want to delete MPOA from this interface 5 Click on Yes Site Manager deletes the service record 6 Click on Done You return to the Edit ATM Connector window Click on Done You return to the Select Connection Type window Click on Done You return to the Configuration Manager window 3 30 305861 A Rev 00
76. gt MPOA Server Attributes gt MPS 500 100 to 2000 Specifies in cache units the maximum amount of cache information that the MPS can store at any time Accept the default 500 or enter a value from 100 to 2000 1 3 6 1 4 1 18 3 5 9 10 2 1 14 Back to Setting the Maximum Cache Size on page 3 26 Maximum Retry Time Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes gt MPS 40 10 to 300 Specifies the maximum retry time in seconds used by the MPOA retry mechanism Accept the default 40 or enter a value from 10 to 300 1 3 6 1 4 1 18 3 5 9 10 2 1 9 Back to Setting the Maximum Retry Time on page 3 21 309249 14 00 Rev 00 Configuring MPOA and NHRP Services NHRP Global Parameters Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID This section describes the NHRP global parameters Client Enable Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable Enable Enable Disable Enables or disables the NHRP client entity on this ATM interface Accept the default Enable to enable the NHRP client entity This enables MPOA to establish ATM network cut through paths Select Disable to disable the NHRP client entity and prevent MPOA from establishing ATM network cut through paths 1 3 6 1 4 1 18 3 5 3 23 1 1 5 Back to
77. gy as an ingress or egress point for traffic establishing and subsequently using network cut throughs 309249 14 00 Rev 00 1 3 Configuring MPOA and NHRP Services The MPC monitors traffic flows between a local source and remote destinations When traffic volume between a source and a destination exceeds a preconfigured threshold level for example x packets to the same network layer address in y seconds the MPC attempts to set up an SVC between the source and destination workstations In attempting to set up an SVC the MPC first looks in a local cache of network layer to ATM address mappings If the MPC finds the destination address in its local cache it immediately begins to establish the SVC If it fails to locate the destination address in the local cache it generates an MPOA address resolution request to an adjacent MPOA server e MPOA routers Each MPOA router that serves MPCs directly or indirectly includes a collection of logical functions that map network layer addresses to ATM addresses Each MPOA router maintains tables of adjacent network layer IP MAC layer and ATM addresses in addition to standard routing tables derived from a routing protocol generally OSPF or RIP MPOA routers communicate over NHRP to map network layer addresses to ATM addresses BayRS provides MPOA router functionality to map IP addresses to their ATM counterparts e MPOA servers The MPOA server MPS is a logical function that mediates
78. han default values ensure that this value is greater than the value of the Client Reg Interval parameter 1 3 6 1 4 1 18 3 5 3 23 1 1 7 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Client Request Timeout Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 3 1 to 100 Specifies the maximum amount of time that the NHRP client waits to receive a reply from an NHRP server In most configurations accept the default value If using other than the default value specify a value large enough to account for propagation delays between the NHRP client and remote NHRP servers as well as any other typical processing delays 1 3 6 1 4 1 18 3 5 3 23 1 1 8 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 309249 14 00 Rev 00 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Client Request Retry Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 3 1 to 20 Specifies the number of times that the NHRP client generates NHRP registration requests If an NHRP registration response is not received after the specified number of attempts the NHRP client returns an error indication to the local requesting entity that is the MPS In most configurations accept the default value
79. he BCC configuration tree for MPOA and Appendix E 2 16 309249 14 00 Rev 00 Chapter 3 Customizing MPOA Services Bay Networks supports Multi Protocol over ATM MPOA server configuration MPOA is the ATM Forum standard that specifies a way to efficiently transport intersubnet unicast data in a LANE environment For general information about the Bay Networks implementation of MPOA see Multi Protocol over ATM on page 1 2 This chapter describes how to customize an MPOA server configuration and includes the following information Topic Page Disabling and Reenabling an MPOA Service 3 2 Setting the MPS Address Generating Mode 3 3 Specifying an MPS Control ATM Address 3 b Disabling and Reenabling MPOA Servers 3 8 Specifying the MPS Configuration Mode 3 10 Specifying a LECS ATM Address 3 11 Configuring a Unique Selector Byte for an MPS Address 14 Defining MPS Timer Values 3 16 Defining MPS Cache Values 3 25 Deleting MPOA Servers 3 28 Deleting an MPOA Service Record 3 29 Where to Go Next 3 31 You must create an MPOA service record before you can customize an MPS For information about creating an MPOA service record and starting the MPOA server see Starting the MPOA Server on page 2 2 305861 A Rev 00 3 1 Configuring MPOA and NHRP Services Disabling and Reenabling an MPOA Service The MPOA service on an ATM interface is normally enabled
80. he Select Connection Type window 10 Click on Done You return to the Configuration Manager window Specifying a LECS ATM Address You can use either the BCC or Site Manager to specify which LECS you want the MPS to use when obtaining parameter information Entering this ATM address is optional if you do not enter an address the MPS automatically uses the well known LECS ATM address to open a configuration VCC 305861 A Rev 00 3 11 Configuring MPOA and NHRP Services To manually specify the LECS ATM address for an MPS you must set the following address elements e LECS ATM address network prefix e LECS ATM address user suffix These two elements together define the full ATM address of the LECS Note The combined network prefix and user suffix must match the address of the LECS for the network Network Prefix User Suffix The LECS ATM address network prefix specifies the ATM domain of the MPS This 13 byte portion of the ATM address can range from XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF The XX byte typically contains 39 45 or 47 These values define the authority and format identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format that the prefix uses For more information about the AFI byte refer to the ATM Forum UNI specification The LEC ATM address user suffix typically contains a 6 byte end station identifier and a 1 byte selecto
81. he 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 Nortel 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 Nortel 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 Nortel 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 309249 14 00 Rev 00 iii for the security of its own data and information and for maintaining adequate procedures apart from the S
82. hen creating a new MPS See also the definition for the autogenerate parameter The router configures a user suffix for you automatically with address autogeneration enabled Back to Specifying an MPS Control ATM Address on page 3 5 309249 14 00 Rev 00 B 3 Configuring MPOA and NHRP Services MPS Parameters This section describes the parameters for configuring an MPOA server MPS Parameter config mode Path box or stack gt atm gt mpoa service gt mps Default automatic Options automatic manual Function Specifies whether the MPS configures automatically using timer information from the LECS or manually using intervals configured for timer parameters of this MPS Enter manual if you do not want this MPS to autoconfigure Back to Specifying the MPS Configuration Mode on page 3 10 Parameter control atm address Path box or stack gt atm gt mpoa service gt mps Default None Options The 20 byte MPS control ATM address consisting of a network prefix and a user suffix Network prefix XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF where XX 39 45 or 47 User suffix 00000000000000 to FFFFFFFFFFFFFF where the least significant selector byte of the user suffix must be a unique value for each MPS in the device configuration Function Specifies the unique control ATM address used by this MPS to obtain address for example ATM domain information Back to Configuring a U
83. hen you enter this command the BCC displays the following information Link Protocol Network Protocol Resolve Request Rx The layer 2 protocol ATM associated with this server The layer 3 protocol IP associated with this server The number of NHRP resolution requests received by this server Resolve Reply ACK Tx The number of positively acknowledged NHRP resolution replies transmitted by this server 309249 14 00 Rev 00 C 15 Configuring MPOA and NHRP Services Resolve Reply NAK Tx Resolve Request Fwd Resolve Reply Fwd Register Request Rx Register Reply ACK Tx Register Reply NAK Tx Register Request Fwd Register Reply Fwd Purge Request Rx Purge Reply ACK Tx Purge Reply NAK Tx Purge Request Fwd Purge Reply Fwd Errors Rx Errors Tx Errors Fwd Dropped Packets NH Cache Size NH Entries The number of negatively acknowledged NAKed NHRP resolution replies transmitted by this server The number of NHRP resolution requests forwarded by this server acting as a transit NHS The number of NHRP resolution replies forwarded by this server acting as a transit NHS The number of NHRP registration requests received by this server The number of positively acknowledged ACKed NHRP registration replies transmitted by this server The number of negatively acknowledged NAKed NHRP registration replies transmitted by this server The number of NHRP registration requests forwarded by this serve
84. indow opens 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS Click on the MPS that you want to modify The MPS List window opens 6 Setthe Initial Retry Time parameter Click on Help or see the parameter description on page A 11 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window 3 20 305861 A Rev 00 Setting the Maximum Retry Time Customizing MPOA Services The maximum retry time is used by the MPOA retry mechanism By default the value is 40 seconds However you can set this value from 10 to 300 seconds using either the BCC or Site Manager Using the BCC To set the maximum retry time navigate to the desired MPS and enter retry time maximum 10 300 For example on a System 5000 router the following commands navigate from root level to mps eastcoast and set the MPS maximum retry time to 200 seconds stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast retry time maximum 200 mps eastcoast Using Site Manager To set the maximum retry time complete the following tasks Site Manager Procedu
85. ling MPOA Servers When you finish mapping an MPS to one or more LECs on the same slot you can use either the BCC or Site Manager to disable and subsequently reenable that MPS for troubleshooting or other reasons Using the BCC To disable a single MPS navigate to the MPS you want to disable and enter state disabled To reenable a disabled MPS navigate to the MPS that you want to reenable and enter state enabled For example on a System 5000 router the following commands navigate to disable and then reenable the MPS on mpoa service 5 3 1 Disabling stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps newyork mps newyork state disabled Reenabling stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps newyork mps newyork state enabled To disable or reenable multiple MPSs simultaneously navigate to the MPOA service on which the MPSs exist and enter disable mps mpsname Or enable mps mpsname 3 8 305861 A Rev 00 Customizing MPOA Services For example on a System 5000 router the following BCC commands navigate to and disable two MPSs on mpoa service 5 3 1 stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 disable mps newyork mps chicago mpoa service 5 3 1 Using Site Manager To disable or reenable MPSs already mapped to LEC services complete the following tasks You do this Site Manager Procedure System
86. local address resolution cache to map the known network layer address with an ATM equivalent If the cache search fails the MPC issues an MPOA resolution request to the local MPS function resident on the adjacent router The local MPS hands the resolution request to the MPOA router component The MPOA router generates an NHRP address resolution request for the ATM address of the destination host Standard routing protocols move the NHRP request through the network toward the destination host Eventually the NHRP request reaches the egress router that is the router that serves the target host The egress router forwards the request to its MPS entity The remote MPS provides the ATM address of the destination host to its NHRP entity If the destination host is connected to a legacy LAN the MPS provides the ATM address of the router that connects to the legacy LAN If the destination host is ATM attached the MPS provides the ATM address of the destination host 309249 14 00 Rev 00 Configuring MPOA and NHRP Services 8 The remote MPOA router generates an NHRP address resolution reply containing the ATM address provided by the MPS Standard routing protocols move the NHRP reply through the network to the local MPOA router 9 The local MPOA router sends the resolved address to the MPS which then caches and sends the resolved address to the MPC that initiated the resolution process 10 The local MPC caches the address resolu
87. mands navigate from root level to mps eastcoast and set the MPS give up time to 175 seconds stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast give up time 175 mps eastcoast 3 22 305861 A Rev 00 Customizing MPOA Services Using Site Manager To set the give up time complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Select Connection Type window click on the ATM interface ATM1 that you opens want to modify 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Setthe Give Up Time parameter Click on Help or see the parameter description on page A 10 7 Click on Done You return to the MPOA Service Record window 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Setting the Valid Interval for Replies to Resolution Requests The default holding time determines how long the client considers resolution replies held in the local cache as valid By default the value is 20 minutes However you can set this value from 1 to 120 minut
88. ment of the command as needed Example If the command syntax is ethernet 2 1 lt parameter gt value you enter ethernet 2 1 and as many parameter value pairs as needed xiv 309249 14 00 Rev 00 italic text screen text separator gt vertical line Preface Indicates file and directory names new terms book titles and variables in command syntax descriptions Where a variable is two or more words the words are connected by an underscore Example If the command syntax is show at lt valid_route gt valid_route is one variable and you substitute one value for it Indicates system output for example prompts and system messages Example Set Trap Monitor Filters Shows menu paths Example Protocols IP identifies the IP option on the Protocols menu Separates choices for command keywords and arguments Enter only one of the choices Do not type the vertical line when entering the command Example If the command syntax is show ip alerts routes you enter either show ip alerts or show ip routes but not both 309249 14 00 Rev 00 XV Configuring MPOA and NHRP Services Acronyms This guide uses the following acronyms AAL AFI ARE ARP ATM B ISDN CSU DCE DSU DTE ELAN IETF ILI ILMI IP LANE LE LEC LECS LER LES LLC MAC MIB MPC MPLS ATM adaptation layer authority and format identifier ATM Routing Engine Address Resolution Protocol a
89. mote Access or Connecting ASN Routers to a Network Make sure that you are running the latest version of Nortel Networks BayRS and Site Manager software For information about upgrading BayRS and Site Manager see the upgrading guide for your version of BayRS 309249 14 00 Rev 00 xiii Configuring MPOA and NHRP Services Text Conventions This guide uses the following text 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 the command syntax is ping ip address you enter ping 192 32 10 12 bold text Indicates command names and options and text that you need to enter Example Enter show ip alerts routes Example Use the dinfo command braces Indicate required elements in syntax descriptions where there is more than one option You must choose only one of the options Do not type the braces when entering the command Example If the command syntax is show ip alerts routes you must enter either show ip alerts or show ip routes but not both brackets Indicate optional elements in syntax descriptions Do not type the brackets when entering the command Example If the command syntax is show ip interfaces alerts you can enter either show ip interfaces or show ip interfaces alerts ellipsis points Indicate that you repeat the last ele
90. nabled on ATM slot 5 connector 1 Autogenerated 2 1 1 2 255 255 255 0 3 1 1 1 255 255 255 0 Enabled on the IP interface to ELAN 2 and ELAN X Example Configuration 309249 14 00 Rev 00 Configuring MPOA and NHRP Services BCC Configuration Sequence The following command sequence implements the example configuration described in Figure D 1 and Table D 1 The example assumes that you have already logged on to Router A 1 Start the BCC interface 2 1 LAB2 bcc Welcome to the Bay Command Console To enter configuration mode type config To list all system commands type To exit the BCC type exit 2 Enter BCC configuration mode bcc config Reading configuration information please wait done box 3 Identify ATM interface slots box Iso atm 5 1 board 5 ftp snmp board 1 console 1 ip telnet board 2 ethernet 2 1 tftp 4 Gotothe ATM interface configured on slot 5 connector 1 box atm 5 1 atm 5 1 D 4 309249 14 00 Rev 00 Example Configuration 5 Enable signaling on the ATM interface atm 5 1 signaling signaling 5 1 6 Check for the correct UNI version which must agree with the UNI version used by the network switch signaling 5 1 uni version uni version v30 signaling 5 1 7 Reset the UNI version signaling 5 1 uni version v31 signaling 5 1 8 Go back to the ATM interface context signaling 5 1 back atm 5 1 9 Create an MPOA servi
91. ndow which displays a summary of the NHRP record that you configured 13 Click on Done You return to the Edit ATM Connector window 14 Click on Done You return to the Select Connection Type window 15 Click on Done You return to the Configuration Manager window Mapping an MPS to a LAN Emulation Client You must map an MPS to any LEC service likely to send and receive MPOA resolution requests and replies over the ATM network You can map one MPS to one or more LEC services configured on the same ATM slot and connector 2 8 309249 14 00 Rev 00 Starting MPOA and NHRP Services Using the BCC To map an MPS to an LEC service navigate to that LEC service and enter mpoa server mps name lt mps name gt For example on a System 5000 router the following BCC commands navigate to the LEC service newyork and map the MPS named eastcoast to it stack atm 5 3 1 atm 5 3 1 lec service newyork lec service newyork mpoa server mps name eastcoast mpoa server newyork Figure 2 1 shows the configuration hierarchy and logical mapping between the MPS and the LEC in this example atm 5 31 1 signaling 5 3 1 lec service newyork mapping object mpoa server newyork mps to lec service mapping mpoa service 5 3 1 BCC0031A Figure 2 1 Mapping an MPS to an LEC Service 309249 14 00 Rev 00 2 9 Configuring MPOA and NHRP Services Using Site Manager To map an MPOA s
92. nique Selector Byte for an MPS Address on page 3 14 B 4 309249 14 00 Rev 00 Parameter Path Default Options Function Parameter Path Default Options Function Parameter Path Default Options Function BCC Parameters default holding time box or stack gt atm gt mpoa service gt mps 20 1 to 120 Specifies the time in minutes used in NHRP resolution replies Back to Setting the Valid Interval for Replies to Resolution Requests on page 3 23 give up time box or stack gt atm gt mpoa service gt mps 40 5 to 300 Specifies in seconds the maximum amount of time that the MPS must wait before giving up on a pending resolution request Back to Setting the Time to Wait for Responses to Resolution Requests on page 3 22 initial cache size box or stack gt atm gt mpoa service gt mps 100 50 to 500 Specifies the maximum amount of cache information that the MPS can keep upon initialization Back to Setting the Initial Cache Size on page 3 25 309249 14 00 Rev 00 B 5 Configuring MPOA and NHRP Services Parameter Path Default Options Function Parameter Path Default Options Function Parameter Path Default Options Function initial retry time box or stack gt atm gt mpoa service gt mps 5 1 to 300 Specifies the initial retry time in seconds used when making MPOA resolution requests and cache imposition requests
93. oftware to reconstruct lost or altered files data or programs 4 Limitation of liability IN NO EVENT WILL NORTEL 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 PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE EVEN IF NORTEL NETWORKS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT SHALL THE LIABILITY OF NORTEL NETWORKS RELATING TO THE SOFTWARE OR THIS AGREEMENT EXCEED THE PRICE PAID TO NORTEL 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 1 ii of the Rights in Technical Data and Computer Software clause of DFARS 252 227 7013 for agencies of the Dep
94. on for each PVC that you require e Configure IP and NHRP on each LEC PVC and Classical IP SVC service Create an MPOA service record Add an MPS to the MPOA service record Ensure that a LECS has been configured on your network ON UMS SEIS Map any LEC services on the router to the desired local MPS Creating an MPOA Service Record To run an MPOA server over ATM you must first create an MPOA service record on an ATM interface Then you add one or more MPOA servers MPSs to the MPOA service record You can use the BCC or Site Manager to accomplish this using default values for all parameters Using the BCC To create an MPOA service record navigate to the appropriate ATM interface prompt and enter mpoa service 2 2 309249 14 00 Rev 00 Starting MPOA and NHRP Services For example on a System 5000 router the following command sequence e Creates an ATM interface on slot 5 module 3 connector 1 e Creates an MPOA service on the ATM interface stack atm slot 5 module 3 connector 1 atm 5 3 1 signaling lt Signaling must be enabled for a new ATM interface signaling 5 3 1 back atm 5 3 1 mpoa service mpoa service 5 3 1 On a BLN BCN router the commands are identical except that you do not specify a module number for the ATM interface box atm slot 5 connector 1 atm 5 1 signaling signaling 5 1 back atm 5 1 mpoa service mpoa service 5 1 Using Site Manager To create an MPOA servi
95. on with another MPS Back to Disabling and Reenabling MPOA Servers on page 3 8 B 8 309249 14 00 Rev 00 Parameter Path Default Options Function BCC Parameters mps name box or stack gt atm gt lec service gt mpoa server None enabled disabled Indicates the configured state of the MPS to LEC Service mapping relationship Changing the value to disabled prevents the named MPS from using the underlying LEC Service for communication with another MPS Back to Disabling and Reenabling MPOA Servers on page 3 8 NHRP Global Parameters Parameter Path Default Options Function Parameter Path Default Options Function This section describes NHRP network global configuration parameters client box or stack gt nhrp enabled enabled disabled Indicates the configured state of the NHRP client Changing the default value to disabled administratively disables the NHRP client Back to Accessing NHRP Client and Server Global Parameters on page 4 2 client registration interval box or stack gt nhrp 25 10 to 200 Specifies in seconds the interval between registration requests from the NHRP client attempting to refresh and update its next hop cache Shorter intervals result in a more up to date cache at the expense of increased traffic Longer intervals have the reverse effect Back to Accessing NHRP Client and Server Global Parameters on page 4 2 309249 14
96. or window using A 2 Enable parameter NHRP A 19 Enable Disable MPOA service record parameter description A 3 Enable Disable MPS parameter description A 7 G generate mode MPS 3 3 Give Up Time parameter description A 10 setting 3 22 Initial Cache Size parameter description A 11 setting 3 25 Initial Retry Time parameter description A 11 setting 3 19 K Keep Alive Life Time parameter description A 12 setting 3 18 Keep Alive Timer parameter description A 12 setting MPS 3 17 L LAN emulation customizing 3 11 Index 1 LECS address specifying for MPS 3 11 LECS ATM Address Network Prefix parameter A 6 LECS ATM Address User Part parameter A 6 Maximum Cache Size parameter description A 13 setting 3 26 Maximum Retry Time parameter description A 13 setting 3 21 menu path using A 2 MPOA deleting 3 30 described 1 3 starting 2 1 MPOA Server See MPS MPS customizing 3 1 deleting 3 29 enabling disabling 3 8 starting 2 2 MPS Config Mode parameter A 9 MPS Ctrl ATM Address Generating Mode parameter A 8 Multi Protocol over ATM See MPOA N NHRP parameters descriptions of A 14 to A 19 P product support xviii publications hard copy xviii S Server Enable parameter NHRP A 17 Server Forward Enable parameter NHRP A 17 Server Max Next Hop Entries parameter NHRP A 18 Index 2 Server Max Pending Request Entries parameter NHRP A 18
97. ormation about active and inactive MPOA egress caches on all slots show mpoa caches egress slot 3 Displays information about active and inactive MPOA egress caches on slot 3 only show mpoa caches egress active Displays information about active MPOA egress caches only on all slots show mpoa caches egress inactive Displays information about inactive MPOA egress caches only on all slots show mpoa caches egress active slot 3 Displays information about active MPOA egress caches on slot 3 only When you enter this command with or without filters the BCC displays the following information Cache Id DLL Header Elan Id Hold Time Index MPOA Server Next Hop Prot Slot Source ATM Address State The identifier associated with this cache entry The data link layer header associated with this entry The ELAN identifier on which this cache imposition was sent The time interval during which this value is valid The MPS index associated with this entry The user assigned name of the MPS The next hop protocol address The number of the slot on which this MPS is configured The ingress NHC s ATM address used in the original cache imposition The operational state of this cache entry 309249 14 00 Rev 00 C 5 Configuring MPOA and NHRP Services show mpoa caches ingress The show mpoa caches ingress command displays information about MPOA ingress caches on ATM interfaces configured on the router The following ex
98. p server stats show nhrp interfaces show nhrp client configuration The show nhrp client configuration command displays configuration information about the NHRP client on the router When you enter this command the BCC displays the following information Client Enable The configured state of this NHRP client enabled or disabled Hold Time The period in seconds during which client information is valid Link Protocol The type of layer 2 network ATM or frame relay Network Protocol Type of layer 3 protocol for example IP Pending Requests The maximum number of pending requests allowed for this NHRP client Registration Interval The interval in seconds between NHRP client registration requests each of which refresh and update the client s next hop cache The interval must be less than the NHRP client hold time Request Retries The number of times that the NHRP client generates NHRP registration requests If an NHRP registration response is not received after the specified number of attempts the NHRP client returns an error to the local requesting entity the MPS Request Timeout The maximum amount of time that the NHRP client waits to receive a reply from an NHRP server C 12 309249 14 00 Rev 00 show nhrp client stats Monitoring MPOA and NHRP Services The show nhrp client stats command displays statistical information about the NHRP client on the router When you enter this command the BCC displays the following
99. r Slot Module Conn The slot all routers module ASN and System 5000 only and connector all routers associated with this NHRP interface 309249 14 00 Rev 00 State Type Monitoring MPOA and NHRP Services The configured state of this interface A disabled interface cannot be selected as the active interface for a circuit The type of VC that the NHRP client NHC will establish if no encapsulation type has been specified for the virtual channel identifier VCI show nhrp server configuration The show nhrp server configuration command displays configuration information about the NHRP server on the router When you enter this command the BCC displays the following information Forward Enable Link Protocol Network Protocol NH Max Entries NH Cache Size Pending Requests Server Enable show nhrp server stats The configured state of NHRP server request forwarding enabled or disabled The type of layer 2 protocol ATM The type of layer 3 protocol IP The maximum number of next hop entries to keep If the NH Resolution Reply message contains a number of entries greater than the specified maximum the excess entries will be discarded The maximum number of next hop entries held in the cache The maximum number of pending requests allowed for this NHRP server The configured state of the NHRP server The show nhrp server stats command displays statistical information about the NHRP server on the router W
100. r acting as a transit NHS The number of NHRP registration replies forwarded by this server acting as a transit NHS The number of NHRP purge requests received by this server The number of positive NHRP purge replies transmitted by this server The number of negatively acknowledged NAKed NHRP purge replies transmitted by this server The number of NHRP purge requests forwarded by this server acting as a transit NHS The number of NHRP purge replies forwarded by this server acting as a transit NHS The number of NHRP error indication packets received by this server with the error code Unrecognized Extension The number of NHRP error indication packets received by this server with the error code Subnetwork ID Mismatch The number of NHRP error indication packets forwarded by this server acting as a transit NHS The number of packets dropped by this NHS The maximum number of next hop entries to be cached The current number of next hop cache entries 309249 14 00 Rev 00 Appendix D Example Configuration This appendix shows how to configure MPOA NHRP services on two Nortel Networks BLN routers each supporting an MPS in an ATM network The example presents the BCC configuration sequence and parameter values for each required MPOA NHRP entity 309249 14 00 Rev 00 D 1 Configuring MPOA and NHRP Services Configuration Diagram The example configuration in Figure D 1 shows two MPSs serving two MPCs in an ATM network
101. r field This 7 byte portion of the ATM address can range from 00000000000000 to FEFFFFFFFFFFFF Using the BCC Using the BCC you can specify both parts of the address as the value for one parameter lecs address To specify a LECS ATM address for the MPS navigate to the appropriate MPS prompt and enter lecs address 20 byte octet string 305861 A Rev 00 Customizing MPOA Services For example on a System 5000 router the following BCC commands navigate to mps eastcoast and specify the 20 byte ATM address of the LECS that server should use stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps eastcoast mps eastcoast lecs address 45aabbccddeeff99887 7665544331 1aabbccddff mps eastcoast Using Site Manager Using Site Manager you specify the network prefix and the user suffix as the values for two separate parameters To specify a LECS ATM address complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens Click on MPOA Server Attributes The MPOA Service Record window opens 4 Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Set the LECS ATM Address parameter Click on Help or see the par
102. ration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable Enable Enable Disable Enables or disables the NHRP server entity on this ATM interface In virtually all configurations accept the default value This also enables MPOA to function properly Select Disable to disable the NHRP server entity and MPOA functionality 1 3 6 1 4 1 18 3 5 3 23 1 1 11 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Server Forward Enable Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable Enable Enable Disable Enables or disables NHRP server request forwarding to other NHRP servers if the requested address resolution is not cached locally In virtually all configurations accept the default value Select Disable to disable NHRP request forwarding Accept the default Enable to enable NHRP request forwarding 1 3 6 1 4 1 18 3 5 3 23 1 1 12 Back to Accessing NHRP Client and Server Global Parameters on page 4 2 309249 14 00 Rev 00 A 17 Configuring MPOA and NHRP Services Parameter Path Default Options Function Instructions MIB Object ID Parameter Path Default Options Function Instructions MIB Object ID Server Max Next Hop Entries Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable 5 1 to 20 Specifies the maximum number of next hop entries that the server keeps If the NHRP resolution reply message contains more
103. re You do this System responds T In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Service Record window opens Click on MPS The MPS List window opens 5 Click on the MPS that you want to modify 6 Set the Maximum Retry Time parameter Click on Help or see the parameter description on page A 13 Click on Done You return to the MPOA Service Record window continued 305861 A Rev 00 3 21 Configuring MPOA and NHRP Services Site Manager Procedure continued You do this System responds 8 Click on Done You return to the Edit ATM Connector window 9 Click on Done You return to the Select Connection Type window 10 Click on Done You return to the Configuration Manager window Setting the Time to Wait for Responses to Resolution Requests The give up time is the minimum amount of time that the MPS must wait before giving up on a pending resolution request By default the value is 40 seconds However you can set this value from 5 to 300 seconds using either the BCC or Site Manager Using the BCC To set the give up time navigate to the desired MPS and enter give up time lt 5 300 gt For example on a System 5000 router the following BCC com
104. rface that you want to disable 6 Set the Enable parameter to Disable Click on Help or see the parameter description on page A 14 7 Click on Done You return to the Configuration Manager window 309249 14 00 Rev 00 4 5 Configuring MPOA and NHRP Services Deleting NHRP from an LEC or PVC or SVC Service You can use either the BCC or Site Manager to delete NHRP from an LEC PVC or SVC ATM Classical IP service Using the BCC To delete NHRP from an LEC PVC or SVC ATM Classical IP service navigate to the appropriate service and enter delete For example on a System 5000 router the following BCC commands navigate to the LEC service on atm 5 3 1 and delete NHRP from that service stack atm 5 3 1 atm 5 3 1 lec service newyork lec service newyork nhrp nhrp newyork delete lec service newyork Using Site Manager To delete an NHRP interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window The Protocols menu opens click on Protocols 2 Choose IP The IP menu opens 3 Choose NHRP The NHRP menu opens 4 Choose Interfaces The NHRP Interface List window opens 5 Click on the NHRP interface that you want to delete 6 Click on Delete Site Manager deletes the NHRP interface you selected 7 Click on Done You return to the Configuration Manager window 4 6 309249 14 00 R
105. ributor or reseller for assistance If you purchased a Nortel Networks service program contact one of the following Nortel Networks Technical Solutions Centers Technical Solutions Center Telephone Number Billerica MA 800 2LANWAN 800 252 6926 Santa Clara CA 800 2LANWAN 800 252 6926 xviii 309249 14 00 Rev 00 Technical Solutions Center Telephone Number Valbonne France 33 4 92 96 69 68 Sydney Australia Tokyo Japan 61 2 9927 8800 81 3 5402 7041 Preface 309249 14 00 Rev 00 xix Chapter 1 Understanding MPOA and NHRP This chapter describes the concepts underlying Multi protocol over ATM MPOA and Next Hop Resolution Protocol NHRP and where appropriate the specific ways in which Nortel Networks implements MPOA and NHRP functionality on its routers It contains the following information Topic Page ATM General Information 11 Multi Protocol over ATM 1 2 NHRP ez For More Information 1 Where to Go Next 1 9 ATM General Information Asynchronous transfer mode ATM is a connection oriented cell based technology that relays traffic across a Broadband Integrated Services Digital Network B ISDN ATM provides a cost effective way of transmitting voice video and data across a network For more information about ATM see Configuring ATM Services 309249 14 00 Rev 00 1 1 Configuring MPOA and NHRP Services
106. rk prefix and the format of the prefix Back to Specifying a LECS ATM Address on page 3 11 Parameter maximum cache size Path box or stack gt atm gt mpoa service gt mps Default 500 Options 100 to 2000 Function Specifies the maximum amount of cache information that the MPS can store at any time Back to Setting the Maximum Cache Size on page 3 26 309249 14 00 Rev 00 B 7 Configuring MPOA and NHRP Services Parameter Path Default Options Function Parameter Path Default Options Function retry time maximum box or stack gt atm gt mpoa service gt mps 40 10 to 300 Specifies the maximum retry time in seconds used when making MPOA resolution requests and cache imposition requests Back to Setting the Maximum Retry Time on page 3 21 state box or stack gt atm gt mpoa service gt mps enabled enabled disabled Indicates the configured state of the MPS Changing the default value of this parameter to disabled administratively disables this MPS Back to Disabling and Reenabling MPOA Servers on page 3 8 MPOA Server Parameters Parameter Path Default Options Function state box or stack gt atm gt lec service gt mpoa server enabled enabled disabled Indicates the configured state of the MPS to LEC Service mapping relationship Changing the value to disabled prevents the associated MPS from using the LEC Service for communicati
107. rvices Accessing ATM MPOA Parameters Through a Window Path ATM uses two main windows to access ATM parameters the Select Connection Type window and the Edit ATM Connector window You access MPOA parameters through the Edit ATM Connector window The Edit ATM Connector window acts as a control access point for all ATM parameters This window provides information specific to each individual ATM interface For any given interface the Edit ATM Connector window provides access to the MPOA server attributes By clicking on the MPOA Server Attributes button you can access and edit the parameters associated with MPOA on that specific ATM interface Accessing ATM MPOA and NHRP Parameters Through a Menu Path The Protocols menu in the Configuration Manager window provides global interface and signaling information about every ATM interface on the router For example if you configure four ATM link modules on the router and you select Protocols gt ATM gt Interfaces the ATM Interface List window displays all four ATM interfaces that you configured on the router To access MPOA parameters use the following menu path Configuration Manager gt Circuits gt Edit Circuits gt Edit gt ATM gt MPOA Server Attributes To access NHRP parameters use the following menu path Configuration Manager gt Protocols gt IP gt NHRP The following sections provide additional menu paths for accessing MPOA or NHRP parameters A 2 309249 14
108. ry mechanism The interval in seconds during which this MPS will consider a keepalive packet valid This value must be at least three times the Keep Alive Time The period in seconds between MPOA keepalive packets The user assigned name for this MPOA server The number of MPOA resolve replies transmitted by this MPS that contain the MPOA CIE Code 0x00 success Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB The number of MPOA resolve requests received by this MPS and translated to NHRP resolve requests Discontinuities in the value of this counter can occur upon reinitialization of the management system or the MPS Discontinuities can also occur at other times as indicated by the value of the wfmpsDiscontinuityTime attribute of the MPS MIB The maximum retry time in seconds used by the MPOA retry mechanism The number of the slot on which this MPOA server is configured The configured state of this MPOA server 309249 14 00 Rev 00 Configuring MPOA and NHRP Services show nhrp The show nhrp command displays information about the Next Hop Routing Protocol NHRP You can enter the following optional versions of the show nhrp command show nhrp client configuration show nhrp server configuration show nhrp client stats show nhr
109. s and egress caches on slot 3 only When you enter this command with or without filters the BCC displays the following information Cache Id Dest ATM Address DLL Header Dst Prot Address Elan Id Hold Time Index MPOA Server Next Hop Prot Slot Source ATM Address ingress Source ATM Address egress Src Prot Addr State show mpoa caches egress The identifier associated with this cache entry The ATM Address resolved by an egress MPC The data link layer header associated with this entry The ingress MPS destination internetwork layer address The ELAN identifier on which this cache imposition was sent The time interval during which this value is valid The MPS index associated with this entry The user assigned name of the MPS The next hop protocol address The number of the slot on which this MPS is configured The ATM address associated with the source of this MPOA request the ingress MPC s control ATM address The ingress NHC s ATM address used in the original cache imposition The ingress MPS source internetwork layer address The operational state of this cache entry The show mpoa caches egress command displays information about MPOA egress caches on ATM interfaces configured on the router The following examples also show how to apply some of the filters described in show mpoa caches EE 309249 14 00 Rev 00 Monitoring MPOA and NHRP Services Examples show mpoa caches egress Displays inf
110. servers on all slots show mpoa server configuration enabled slot 3 Displays configuration data for enabled MPOA servers on slot 3 only show mpoa server configuration mps boston Displays configuration data for MPOA server boston When you enter this command with or without filters the BCC displays the following information Configuration Control ATM Address Default Holding Time Give Up Time Index Initial Retry Time Keep Alive Lifetime Keep Alive Time Indicates whether this MPOA server configures automatically using timer information from the LECS or manually using local timer parameter values set for this MPOA server The unique control ATM address used by this MPS to obtain address for example ATM domain information The address includes a network prefix and a user suffix The holding time in minutes used for NHRP resolution replies An egress MPS may use local information to determine a more appropriate holding time The maximum amount of time in seconds that this MPS must wait before giving up on a pending resolution request The value of the wfmpsIndex attribute in the MPS MIB Combined with the value of the wfmpsNextIndex attribute uniquely identifies this MPOA server entry in the wfmpsConfigTable The index value must remain unchanged in the event of MPS reinitialization but can change in the event of agent reinitialization The initial retry time in seconds used by the MPOA retr
111. service 5 3 1 stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 mps newyork mps newyork delete mpoa service 5 3 1 If you want to delete multiple MPSs simultaneously navigate to the MPOA service on which the MPSs exist and enter delete mps mpsname For example on a System 5000 router the following commands navigate to and delete two MPSs on mpoa service 5 3 1 stack atm 5 3 1 atm 5 3 1 mpoa service 5 3 1 mpoa service 5 3 1 delete mps newyork mps chicago mpoa service 5 3 1 3 28 305861 A Rev 00 Using Site Manager Customizing MPOA Services To delete an individual MPS complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 that you want to modify The Select Connection Type window opens 2 Click on ATM The Edit ATM Connector window opens e Click on MPOA Server Attributes The MPOA Service Record window opens Click on MPS The MPS List window opens Click on the MPS that you want to delete Click on Delete Site Manager deletes the MPS NN OO ays Click on Done Click on Done You return to the MPOA Service Record window You return to the Edit ATM Connector window Click on Done 10 Click on Done You return to the Select Connection Type window You return to the Configuration Mana
112. st always be supported by an ELAN as shown in Figure 1 1 on page 1 2 Cut through routing is based on the fact that in most cases data transfer occurs at a steady rate of flow For example data or file transfer from one legacy Ethernet LAN to a remote counterpart usually involves multiple frames A file transfer of approximately 45 KB requires about 30 Ethernet frames all addressed to the same destination In an MPOA environment it is possible to e Identify from the address field in the first frame of a data file transfer the recipient of that data or file e Establish an SVC to the recipient The software then disassembles all 30 or so frames into approximately 900 ATM cells and transmitts them to the recipient by way of the virtual channel provided by the SVC Network performance improves as the cells follow a predetermined direct path in contrast to the hop by hop routing of the Ethernet frames Network performance improves markedly in the case of steady stream deterministic data flows such as video MPOA Logical Components MPOA operations are based on logical components which can be implemented in various configurations of hardware and software MPOA logical components include the following e MPOA clients An MPOA client MPC resides in each ATM edge device for example an ATM switch served by an MPOA router BayRS does not provide MPC functionality The primary function of the MPC is to act in ATM terminolo
113. st one MPS to any MPOA service that you create on an ATM interface Although not operational until fully configured an MPS is enabled by default when you add it to an MPOA service record A new MPS must be in the enabled state so that you can map it to one or more LEC services Then you can use either the BCC or Site Manager to map each MPS to a specific LEC service on the router Using the BCC To add an MPS navigate to the desired MPOA service prompt and enter mps mps name lt mps name gt For example on a System 5000 router the following command adds an MPS named eastcoast to an MPOA service mpoa service 5 3 14 mps mps name eastcoast mps eastcoast 2 4 309249 14 00 Rev 00 Using Site Manager Starting MPOA and NHRP Services To add an MPS to an MPOA service complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on an ATM link module interface for example ATM1 The Select Connection Type window opens 2 Click on ATM The Edit ATM Connector window opens 3 Click on MPOA Server Attributes The MPOA Server Parameters window opens 4 Click on MPS The MPS List window opens 5 Click on Add The MPS Configuration Parameters window opens 6 Click on OK You return to the MPS List window The MPS List window shows the added MPS 7 Repeat steps 5 and 6 to add addition
114. synchronous transfer mode Broadband Integrated Services Digital Network channel service unit data communication equipment data service unit data terminal equipment emulated local area network Internet Engineering Task Force Intelligent Link Interface Interim Local Management Interface Internet Protocol local area network emulation LAN emulation LAN emulation client LAN emulation configuration server label edge router LAN emulation server Logical Link Control media access control management information base MPOA client Multiprotocol Label Switching xvi 309249 14 00 Rev 00 MPOA MPS MTU NHRP OC 3 OSPF PDN PDU PHY PMD PT PVC RIP SAAL SAP SAR SMDS SNAP SNMP SONET SDH SPE SRM SSCOP SSCS SVC UNI VC VCC VCI Preface Multi Protocol over ATM MPOA server maximum transmission unit Next Hop Resolution Protocol Optical Carrier level 3 Open Shortest Path First Public Data Network protocol data unit physical layer physical medium dependent payload type permanent virtual circuit Routing Information Protocol signaling AAL service access point segmentation and reassembly Switched Multimegabit Data Service Subnetwork Access Protocol Simple Network Management Protocol Synchronous Optical Network Synchronous Digital Hierarchy synchronous payload envelope System Resource Module Service Specific Connection Oriented Protocol service specific convergence sublayer switche
115. ter also appears in the MPS List window and the MPS Configuration Parameters window for display purposes only You must configure this parameter at the Site Manager MPOA service record level Specifying an MPS Control ATM Address By default an MPS automatically inherits its e ATM address domain network prefix from the network switch e ATM end station identifier 6 bytes of the user suffix from the MAC address of the underlying ATM interface e ATM selector byte value the least significant or last byte of the user suffix from the highest selector byte value currently configured incremented by 1 to ensure uniqueness However if you configure the MPOA service to ignore this information you must manually specify the ATM network prefix and user suffix that you want MPS to use in its ATM address These two elements together define the full MPS control ATM address Network Prefix The control ATM address network prefix specifies the ATM domain of the MPS This 13 byte portion of the ATM address can have values ranging from XX000000000000000000000000 to XXFFFFFFFFFFFFFFFFFFFFFFFF 305861 A Rev 00 3 5 Configuring MPOA and NHRP Services User Suffix For user configured network prefix values the XX byte must contain 39 45 or 47 These values define the authority and format identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the
116. tes The ATM Service Records List window opens Click on the PVC service record to which you want to add NHRP Click on the Protocols menu in the upper left corner of the window Choose Add Delete The Select Protocols window opens Select IP RIP and NHRP Click on OK The IP Configuration window opens oou Set the following parameters IP Address Subnet Mask Transmit Bcast Address Click on Help or see Configuring IP ARP RIP and OSPF Services for parameter descriptions 10 Click on OK The NHRP Network Configuration NHRP global parameters window opens if NHRP has not been configured on any interface continued 2 12 309249 14 00 Rev 00 Starting MPOA and NHRP Services Site Manager Procedure continued 11 You do this Use default values for the following parameters NHRP Request Path Client Enable Client Reg Interval Client Hold Time Client Request Timeout Client Request Retry Client Max Pending Request Entries Server Enable Server Forward Enable Server Max Next Hop Entries Server Max Pending Request Entries Click on Help or see the parameter descriptions beginning on page A 14 System responds 12 Click on OK You return to the ATM Service Records List window which displays a summary of the NHRP record that you configured 13 Click on Done You return to the Edit AT
117. tion Used only when ATM address autogeneration is disabled the network prefix specifies the ATM domain of which any MPOA server MPS will be a member The router uses the MPOA service address information as a base when creating a new MPS See also the definition for the autogenerate parameter The XX byte must be 39 45 or 47 This value defines the authority and format identifier AFI The AFI byte identifies the group responsible for allocating the prefix and the format the prefix uses For more information about the AFI byte see the ATM Forum UNI specification The router configures the network prefix automatically with address autogeneration enabled Back to Specifying an MPS Control ATM Address on page 3 5 B 2 309249 14 00 Rev 00 Parameter Path Default Options Function Parameter Path Default Options Function BCC Parameters state box or stack gt atm gt mpoa service enabled enabled disabled Specifies the configured state of the MPOA service Changing the value of this parameter also administratively enables or disables this MPOA service Back to Disabling and Reenabling an MPOA Service on page 3 2 user suffix box or stack gt atm gt mpoa service None 00000000000000 to FFFFFFFFFFFFFF Used only when ATM address autogeneration is disabled the user suffix specifies a 6 byte end station identifier and a 1 byte selector field The router uses this information as a base w
118. tion information and establishes an SVC to the remote MPC establishing the network cut through connection for more efficient communication ATM network ATM MPS og e 10BASE T ATM MPS ATM MPC 10BASE T ERR Cut through VC Logical connection C NHRP control VC ATMO0055A Figure 1 2 MPOA with Cut Through VC Note again that in Figure 1 2 the logical connection between any two MPSs can be an ATM PVC or RFC 1577 SVC ATM Classical IP instead of an ELAN depending on your network topology requirements 1 6 309249 14 00 Rev 00 Understanding MPOA and NHRP NHRP NHRP is an address resolution protocol described in Internet RFC 2332 As defined by the RFC NHRP provides address resolution services by mapping internetworking layer addresses to NBMA subnetwork addresses As implemented by Nortel Networks NHRP resolves IP to ATM addresses The IETF draft specifies behavior for NHRP clients and NHRP servers The NHRP client NHC generates NHRP address resolution requests on behalf of applications such as a local MPS The NHRP server NHS responds to NHRP address resolution requests by generating NHRP address resolution replies For this purpose the NHS maintains a next hop cache NHRP supports address resolution using seven formatted message types e NHRP resolution request
119. tries in the message Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Parameter server requests maximum Path Configuration Manager gt Protocols gt IP gt NHRP gt NhrpNetTable Default 100 Options 1 to 100 Function Specifies the maximum number of pending server requests the router can queue Local memory space must be sufficient to accommodate the number of pending requests that you specify Back to Accessing NHRP Client and Server Global Parameters on page 4 2 B 12 309249 14 00 Rev 00 BCC Parameters NHRP Interface Parameter Parameter Path Default Options Function This section describes the only configurable NHRP parameter enabled on an LEC PVC or Classical IP SVC service state box or stack gt lec service pvc service classical ip service gt nhrp enabled enabled disabled Indicates the configured state of NHRP on the ATM interface Changing the default value to disabled administratively disables NHRP on the ATM interface Back to Disabling NHRP on an LEC or PVC or Classical IP Service on page 4 4 309249 14 00 Rev 00 B 13 Appendix C Monitoring MPOA and NHRP Services To display configuration and statistical data about MPOA and NHRP services from the management information base MIB use the BCC show command This appendix includes information about getting online Help for BCC show commands and describes the following commands
120. uesting MPS Memory space must be sufficient to accommodate the number of pending requests that you specify Back to Accessing NHRP Client and Server Global Parameters on page 4 2 next hop cache size box or stack gt nhrp 16 16 to 1024 Specifies the maximum size of the next hop cache Higher values use more buffer space resulting in less memory for other system processing Back to Accessing NHRP Client and Server Global Parameters on page 4 2 server box or stack gt nhrp enabled enabled disabled Indicates the configured state of the NHRP server Changing the default value to disabled administratively disables the NHRP server on this ATM interface Back to Accessing NHRP Client and Server Global Parameters on page 4 2 309249 14 00 Rev 00 Configuring MPOA and NHRP Services Parameter server forwarding Path box or stack gt nhrp Default enabled Options enabled disabled Function Enables or disables the forwarding of NHRP server requests to other NHRP servers when address resolution information is not cached locally Back to Accessing NHRP Client and Server Global Parameters on page 4 2 Parameter server next hop maximum Path box or stack gt nhrp Default 5 Options 1 to 20 Function Specifies the maximum number of next hop entries held by the server If the NHRP resolution reply message has more entries than the value you specify the router discards the excess most recent en
121. upport 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 Nortel Networks Agent software or other Nortel Networks software products Nortel Networks Agent software or other Nortel Networks software products are licensed for use under the terms of the applicable Nortel Networks NA 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 Nortel Networks and or its licensors retain all title and ownership in both the Software and user manuals including any revisions made by Nortel 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 whole or in part The Software and user manuals embody Nortel Networks and its licensors confidential and proprietary intellectual property Licensee shall
122. uration Configuration Diagram BOO Contouralon Seguen c MET D 4 Appendix E BCC Configuration Tree for MPOA and NHRP viii 309249 14 00 Rev 00 Figures Figure 1 1 ATM Zero Hop Cut Through Routing sees 1 2 Figure 1 2 MPOA with Cut Through VO ceisiais enana enne 1 6 Figure 2 1 Mapping an MPS to an LEC SeIVIGB iusciccsseececesen pn tcc ener anini 2 9 Figure D 1 Example MPOA NHRP Configuration sessseeenen D 2 Figure E 1 BCC Configuration Tree for MPOA and NHRP ee Genes E 2 309245 14 00 Rev 00 ix Tables Table D 1 Example Configuration Summary scicca na D 3 309249 14 00 Rev 00 xi Preface This guide describes Nortel Networks implementation of Multi Protocol over ATM MPOA and Next Hop Resolution Protocol NHRP services and what you do to start and customize these services on a Nortel Networks router You can use the Bay Command Console BCC or Site Manager to configure MPOA and NHRP on a router In this guide you will find instructions for using both the BCC and Site Manager Use Site Manager to support any feature not support by the BCC Before You Begin Before using this guide you must complete the following procedures For a new router e Install the router see the installation guide that came with your router e Connect the router to the network and create a pilot configuration file see Quick Starting Routers Configuring BayStack Re
123. ution requests and replies to flow through the same ATM PVC service and between MPSs you must enable NHRP on that service You can use either the BCC or Site Manager to add IP RIP or OSPF and NHRP to an ATM PVC service Using the BCC To add IP RIP or OSPF and NHRP to an existing ATM PVC service 1 Navigate to the appropriate pvc service prompt and enter nhrp 2 Navigate back to the pvc service prompt and enter ip address P adaress mask subnet mask 3 Atthe resulting IP interface prompt add a routing protocol RIP or OSPF rip For example on a System 5000 router the following BCC commands navigate to the pvc service named phoenix and add NHRP IP and RIP stack atm 5 3 1 atm 5 3 1 pvc service servicename phoenix pvc service phoenix nhrp nhrp phoenix back ip 1 2 3 6 255 0 0 0 rip rip 1 2 3 6 When you add NHRP to any ATM PVC service the BCC automatically creates the global NHRP object at root level if you have not already done so 309249 14 00 Rev 00 2 11 Configuring MPOA and NHRP Services Using Site Manager To add NHRP to an existing ATM interface complete the following tasks Site Manager Procedure You do this System responds 1 In the Configuration Manager window click on the ATM interface ATM1 on which you want to add NHRP The Select Connection Type window opens Click on ATM The Edit ATM Connector window opens 3 Click on Service Attribu
124. ver The show mpoa server command displays information about MPOA servers configured on the router You can enter the following optional versions of this command show mpoa server configuration show mpoa server stats In addition you can control the output of these commands by specifying the following filters in any combination enabled Displays information about only MPOA servers with a configured state of enabled disabled Displays information about only MPOA servers with a configured state of disabled mps mps name Displays information about this MPOA server only slot lt slot gt Displays information about MPOA servers on this slot only show mpoa server configuration The show mpoa server configuration command displays configuration data for MPOA servers configured on the router The following examples also show how to apply some of the filters described in show mpoa server Examples show mpoa server configuration Displays configuration data for active and inactive MPOA servers on all slots show mpoa server configuration slot 3 Displays configuration data for active and inactive MPOA servers on slot 3 only continued 309249 14 00 Rev 00 C 7 Configuring MPOA and NHRP Services show mpoa server configuration enabled Displays configuration data only for enabled MPOA servers on all slots show mpoa server configuration disabled Displays configuration data only for disabled MPOA
125. y mechanism The interval in seconds during which this MPS will consider a keepalive packet valid This value must be at least three times the Keep Alive Time The period in seconds between MPOA keepalive packets C 8 309249 14 00 Rev 00 Monitoring MPOA and NHRP Services Lane Clients The user assigned name for the circuit assigned to any LEC associated with this MPS MPS Name The user assigned name for this MPOA server Retry Time Maximum The maximum retry time in seconds used by the MPOA retry mechanism Slot The number of the slot on which this MPOA server is configured State The configured state of this MPOA server show mpoa server stats The show mpoa server stats command displays runtime statistics for MPOA servers MPSs configured on the router The following examples also show how to apply some of the filters described in show mpoa server Examples show mpoa server stats show mpoa server stats slot 3 show mpoa server stats enabled show mpoa server stats disabled show mpoa server stats enabled slot 3 show mpoa server stats mps boston Displays statistical data for enabled and disabled MPOA servers on all slots Displays statistical data for enabled and disabled MPOA servers on slot 3 only Displays statistical data only for enabled MPOA servers on all slots Displays statistical data only for disabled MPOA servers on all slots Displays statistical data for enabled MPOA servers

Avaya Configuring MPOA Services User's Manual

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