Anycast RP relieves these limitations by allowing multiple RPs per group, which can be distributed in a
topologically significant manner according to the locations of the sources and receivers.
1. All the RPs serving a given group are configured with an identical anycast address.
2. Sources then register with the topologically closest RP.
3. RPs use MSDP to peer with each other using a unique address.
Figure 87. MSDP with Anycast RP
Configuring Anycast RP
To configure anycast RP, use the following commands.
1. In each routing domain that has multiple RPs serving a group, create a Loopback interface on each
RP serving the group with the same IP address.
CONFIGURATION mode
Multicast Source Discovery Protocol (MSDP)
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