Foundry Configuration Guide for the FESX, FSX, and FWSX
19 - 40 © Foundry Networks, Inc. December 2005
loopback 2
FastIron SuperX Router(config-msdp-router)# mesh-group GroupA 206.251.21.31
FastIron SuperX Router(config-msdp-router)# mesh-group GroupA 206.251.17.31
FastIron SuperX Router(config-msdp-router)# mesh-group GroupA 206.251.13.31
FastIron SuperX Router(config-msdp-router)# exit
Syntax: [no] mesh-group <group-name> <peer-address>
The sample configuration above reflects the configuration in Figure 19.5. On RP 206.251.21.31 you specify its
peers within the same domain (206.251.21.31, 206.251.17.31, and 206.251.13.31).
You first configure the MSDP peers using the msdp-peer command to assign their IP addresses and the loopback
interfaces. This information will be used as the source for sessions with the neighbor.
Next, place the MSDP peers within a domain into a mesh group. Use the mesh-group command. There are no
default mesh groups.
The group-name parameter identifies the group. Enter up to 31 characters for group-name. You can have up to 4
mesh groups within a multicast network. Each mesh group can include up to 32 peers.
The peer-address parameter specifies the IP address of the MSDP peer that is being placed in the group.
NOTE: On each of the device that will be part of the mesh-group, there must be a mesh-group definition for all
the peers in the mesh-group.
Up to 32 MSDP peers can be configured per mesh group.
Example Configuration
In Figure 19.6, devices A, B, C, and D are in Mesh Group 1234. The example configuration following the figure
shows how the devices are configured to be part of the MSDP mesh group. The example also shows the features
that need to be enabled for the MSDP mesh group to work.
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