cjh ospf key1 key 2
ospf key1 key 2
R1 -s0/0-------s0/0----R4
key 值若不一致,则认证不成功.
===============================================================================================
Rack31R4#sh run | se r ospf
router ospf 31
router-id 31.31.4.4
log-adjacency-changes
area 142 authentication message-digest
network 0.0.0.0 255.255.255.255 area 142
Rack31R1#sh run | se r ospf
router ospf 31
router-id 31.31.1.1
log-adjacency-changes
area 142 authentication message-digest
network 0.0.0.0 255.255.255.255 area 142
Rack31R4#debug ip ospf adj
OSPF adjacency events debugging is on
Rack31R4#
*Jan 26 18:27:26.066: OSPF: Rcv pkt from 31.31.17.1, FastEthernet0/0, area 0.0.0.142 : src not on the same network
*Jan 26 18:27:26.066: OSPF: Rcv pkt from 31.31.17.1, FastEthernet0/1, area 0.0.0.142 : src not on the same network
*Jan 26 18:27:26.519: OSPF: Send with youngest Key 0
Rack31R4#
*Jan 26 18:27:28.903: OSPF: Send with youngest Key 0
*Jan 26 18:27:28.903: OSPF: Send with youngest Key 0
*Jan 26 18:27:28.903: OSPF: Send with youngest Key 0
*Jan 26 18:27:28.907: OSPF: Send with youngest Key 0
*Jan 26 18:27:28.907: OSPF: Rcv pkt from 31.31.144.4, FastEthernet0/0, area 0.0.0.142 : src not on the same network
*Jan 26 18:27:28.911: OSPF: Rcv pkt from 31.31.44.4, FastEthernet0/1, area 0.0.0.142 : src not on the same network
Rack31R4#
=======================================================================================================
Rack31R4(config)#int s0/0
Rack31R4(config-if)#ip os message-digest-key 2 md5 cisco
Rack31R1(config)#int s0/0
Rack31R1(config-if)#ip os message-digest-key 1 md cisco
key 值若不一致,则认证不成功.
Rack31R4#debug ip os adj
Rack31R4#
*Jan 26 18:22:15.821: OSPF: Rcv pkt from 31.31.17.1, FastEthernet0/0, area 0.0.0.142 : src not on the same network
*Jan 26 18:22:15.821: OSPF: Rcv pkt from 31.31.17.1, FastEthernet0/1, area 0.0.0.142 : src not on the same network
*Jan 26 18:22:15.825: OSPF: Rcv pkt from 31.31.14.1, Serial0/0 : Mismatch Authentication Key - No message digest key 1 on interface
Rack31R4#
*Jan 26 18:22:18.726: OSPF: Send with youngest Key 0
*Jan 26 18:22:18.726: OSPF: Send with youngest Key 0
*Jan 26 18:22:18.726: OSPF: Rcv pkt from 31.31.144.4, FastEthernet0/0, area 0.0.0.142 : src not on the same network
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