I can't auth R3 with BB2 , see below BB2 shows 192.10.5.2, not .3 as gw ?!
Rack5R3#sh run int f0/1
!
interface FastEthernet0/1
ip address 192.10.5.3 255.255.255.0
ip rip authentication mode md5
ip rip authentication key-chain BB2
Rack5R3#sh key chain BB2
Key-chain BB2:
key 1 -- text "CISCO"
accept lifetime (always valid) - (always valid) [valid now]
send lifetime (always valid) - (always valid) [valid now]
Routing Protocol is "rip"
.....
Default version control: send version 2, receive version 2
Interface Send Recv Triggered RIP Key-chain
FastEthernet0/1 2 2 BB2
Automatic network summarization is not in effect
Maximum path: 4
Routing for Networks:
192.10.5.0
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 120)
RS.5.5.BB2>
Jun 12 07:58:30.514: %TCP-6-BADAUTH: No MD5 digest from 192.10.5.3(179) to 192.10.5.254(12642) (RST)
RS.5.5.BB2>sh ip prot
......
Routing Protocol is "rip"
....
Default version control: send version 2, receive version 2
Interface Send Recv Triggered RIP Key-chain
Ethernet0 2 2 RIP
Automatic network summarization is in effect
Maximum path: 4
Routing for Networks:
192.10.5.0
Routing Information Sources:
Gateway Distance Last Update
192.10.5.2 120 02:23:10
Distance: (default is 120)
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