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 

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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 <a href="http://www.live2naked.com/">live sex online</a> ----- R0(config-router)#area 1 virtual-link 2.2.2.2 authentication-key MYKEY

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----- R0(config-if)#ip ospf authentication   - or - R0(config-router)#area 1 authentication R0(config-if)#ip ospf authentication-key MYKEY <a href="http://www.live2naked.com/">live sex online</a> ----- 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

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----- 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

Aaron Conaway

I shake my head around sometimes and see what falls out. That's what lands on these pages.

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