Router_A#show ip protocols
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 12 seconds
Invalid after 180 seconds, hold down 180, flushed after 240
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 1, receive any version
Interface Send Recv Key-chain
Ethernet0 1 1 2
Serial0 1 1 2
Routing for Networks:
172.16.0.0
172.17.0.0
Routing Information Sources:
Gateway Distance Last Update
172.17.0.2 120 00:00:16
Distance: (default is 120)