RIP V2

One of the following options is required:

Broadcast

Send RIP-2 updates using the interface's broadcast address every 30 seconds. Any RIP packets received on the interface are ignored.

Listen

No RIP updates are sent, but RIP updates are listened for via the interface's broadcast address.

Multicast

RIP-2 updates are sent every 30 seconds via multicast, and RIP updates are listened for on the multicast address or on the interface's broadcast address.

V1-Compatibility

Compatibility switch sents RIP-2 updates on the broadcast address of the interface every 30 seconds. RIP updates are listened for coming from the broadcast address.