OSPF Notes - Authentication
Corrections appreciated.
Type 0 : No authentication. This is the default type.
R0(config-if)#ip ospf authentication null ----- R0(config-router)#area 1 virtual-link 2.2.2.2 authentication null
Type 1 : Clear text authentication
----- R0(config-if)#ip ospf authentication - or - R0(config-router)#area 1 authentication R0(config-if)#ip ospf authentication-key MYKEY live sex online ----- R0(config-router)#area 1 virtual-link 2.2.2.2 authentication-key MYKEY
Type 2 : MD5 authentication
----- R0(config-if)#ip ospf authentication message-digest - or - R0(config-router)#area 1 authentication message-digest R0(config-if)#ip ospf message-digest-key 1 md5 MYKEY ----- R0(config-router)#area 1 virtual-link 2.2.2.2 authentication message-digest message-digest-key 1 md5 MYKEY