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Nonstop Active Routing PIM Support

Nonstop active routing supports Protocol Independent Multicast (PIM) with stateful replication on backup Routing Engines. The state information replicated on the backup Routing Engine includes information about neighbor relationships, join and prune information, RP-set information, synchronization between routes and next hops, and the forwarding state between the two Routing Engines.

Note: Nonstop active routing for PIM does not support PIM for IPv6, RP routers, VPN routing and forwarding (VRF) instances, next generation MVPN, and IGMP snooping.

Note: The clear pim join, clear pim register, and clear pim statistics operational mode commands are not supported on the backup Routing Engine when nonstop active routing is enabled.

To trace the nonstop active routing for PIM events, include the flag nsr-synchronization statement at the [protocols pim traceoptions] hierarchy level.

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