Configuring MSDP mesh group
mesh group. An RP can forward an SA message to any MSDP router as long as that peer is farther away from the originating RP than the current MSDP router.
The following figure shows an example of an MSDP mesh group. In a
FIGURE 7 Example of MSDP mesh group
PIM Sparse Domain 1 in Figure 7 contains a mesh group with four RPs. When the first RP, for example, RP 206.251.21.31 originates or receives an SA message from a peer in another domain, it sends the SA message to its peers within the mesh group. However, the peers do not send the message back to the originator RP or to each other. The RPs then send the SA message farther away to their peers in other domains.The process continues until all RPs within the network receive the SA message.
Configuring MSDP mesh group
To configure an MSDP mesh group, enter commands such as the following on each device that will be included in the mesh group.
device(config)# router msdp
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