From: Kevin Baumgartner (kbaumgar@xxxxxxxxx)
Date: Fri Jun 02 2000 - 00:09:18 GMT-3
Reading over some notes that I have for this setup
Router3(Area0)---- Router2(Area1)-----Router1(Area2)
The transit (Virtual link routers) Router3 and Router 2 have
to do MD5 authentication across the Virtual link
Router 3
router ospf 1
area 0 auth message-digest
area 1 virtual-link 132.2.22.2 message-digest-key 1 md5 0 cisco
Router 2
router ospf 1
area 0 auth message-digest
area 1 virtual-link 132.2.33.3 message-digest-key 1 md5 0 cisco
The key think to remember is that Router2 is now part of Area0.
This is why you have to do MD5 authentication on Area 0 on router2
and also to the virtual link.
Kevin
>
> Hi All,
>
> I know this has been discussed many times in the past.
>
> By going through the archives I saw varied answers for
> this issue. I have now no time and equipment to test.
>
> area 0------area1-----area2
>
> Virtual line between area 0 and area 2 with area1 as
> transit area.
>
> MD5 authentication on Area 0. I know that area 2 ABR
> should also have area 0 auth... command. Fine
>
> The question is, do I have to use MD5 authentication
> on the virtuak link. ( I don't think so, but can
> someone confirm). Also I don't think I need
> authenticaion on area1, the transit area.
>
> Any help would be appreciated..
>
> Mohan.
>
>
>
>
>
>
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