Hi, I tried this too. I am pasting the results.
R5# interface Serial0/2 ip address 192.168.1.209 255.255.255.252 ip ospf authentication ip ospf authentication-key cisco router ospf 10 log-adjacency-changes area 0 authentication network 30.30.30.0 0.0.0.255 area 0 network 192.168.1.208 0.0.0.3 area 0 1w5d: OSPF: Rcv pkt from 192.168.1.210, Serial0/2 : Mismatch Authentication Key - Clear Text 1w5d: OSPF: Rcv pkt from 192.168.1.210, Serial0/2 : Mismatch Authentication Key - Clear Text 1w5d: OSPF: Rcv pkt from 192.168.1.210, Serial0/2 : Mismatch Authentication Key - Clear Text R7# interface Serial0/0 ip address 192.168.1.210 255.255.255.252 ip ospf authentication ip ospf authentication-key abcd clockrate 64000 router ospf 10 log-adjacency-changes area 0 authentication network 20.20.20.0 0.0.0.255 area 0 network 192.168.1.208 0.0.0.3 area 0 2d22h: OSPF: Rcv pkt from 192.168.1.209, Serial0/0 : Mismatch Authentication Key - Clear Text 2d22h: OSPF: Rcv pkt from 192.168.1.209, Serial0/0 : Mismatch Authentication Key - Clear Text I think when you configure "message-digest authentication" you have to give the command "ip ospf message-digest-key 7 md5 " under interface mode. "ip ospf authentication-key" will not work for message-digest. This works for clear text authentication. Also under router ospf just give "area 0 authentication". Or did I make any mistake... regards Silju Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=58356&t=58352 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
