ospf authentication methods

From: James Simons (ccie.jimmy@gmail.com)
Date: Thu May 25 2006 - 23:03:48 ART


hello all,

I have a wierd question. Recently, I was configuring ospf authentication on
an area. I used the usual commands but I used one for md5 authentication (ip
ospf message-digest-key) and one that is used for clear text (ip ospf
authentication)...and it still worked! Any thoughts to why? I tried
debuging the packets and the ospf events but I couldn't see anything shed
any light.

the commands:
R1 and R2:
interface fa0/0
ip ospf authentication
ip ospf message-digest-key 1 md5 CISCO

cheers,

Jimmy



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