From: Tarun Pahuja (pahujat@gmail.com)
Date: Fri Nov 09 2007 - 05:46:36 ART
CJ,
In ospf you do can Link as well as Area authentication. In both cases
you can use plain text or MD5 authentication. Since your questions talks
about area authentication, You would need area authentication command under
the ospf process.Additionally, It is also recommended that you specify the
Key under the interfaces participating in the ospf authentication process.
HTH,
Tarun
On Nov 9, 2007 3:08 AM, CJ <693455@gmail.com> wrote:
> Hi Group
>
> WHen a question says,
>
> all area 0 adjacencies must be authenticated with an md5 hash.
>
> there are two ways to do this.
>
> ip ospf authentication message-digest
> ip ospf message-digest-key 1 md5 <>
>
> as opposed to
>
> router ospf 1
> area <> authentication message-digest
>
> int f0/0
> ip ospf message-digest-key 1 md5 <>
>
> How do you decide which one is the more appropriate way?
>
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