From: Johnny Dedon (johnny.dedon@xxxxxxxxxx)
Date: Fri May 18 2001 - 11:28:25 GMT-3
Wei Man
Can you post configs for R2 and R3? R3 should have md5 auth configured on
just the interfaces in Area 0 and should have area 0 auth message-digest
statement.
R2 should have statement area 0 mess-digest. You should not have to
configure auth on areas 5 or 55.
Johnny Dedon
Senior Staff Consultant
Exodus Professional Services
johnny.dedon@exodus.net
www.exodus.net
----- Original Message -----
From: "Wei Man" <mandraw1@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Friday, May 18, 2001 7:22 AM
Subject: OSPF Virtual-Link and authentication
> Hi,
>
> In this scenario, I am having trouble to get
> complete routes in R1, any idea how to solve this ?
>
>
> R1<------>R2<------>R3<------->R4
>
> R1 has loopback address that runs OSPF area 55
> R1 connect with R2 using OSPF area 55
> R2 connect with R3 using OSPF area 5
> R3 connect with R4 using OSPF area 0 with md5 auth
> R4 has loopback address that runs OSPF area 0 with
> md5 auth
> In this scenario, I know I have to use virtual link
> in R3,
>
> R3#
> router ospf 10
> area 5 virtual-link (OSPF-ID R2)
>
> R2#
> area 5 virtual-link (OSPF-ID R3)
> area 0 authentication message-diggest
>
> But the problem in here, only area 0 that runs
> authentication using md5, others area not using
> md5 authentication.
> When I using that configuration, I only get partial
> routes (from backbone) in R1, However if I put
> area 55 using authentication md5 and change
> configuration in R3 to
> R3#
> area 5 virtual-link (OSPF-ID R2)
> area 55 authentication message-digest
>
> in R1, I will get complete routes (from backbone)
>
> so my question is , how can you configure OSPF
> if and only if area 0 that have authentication md5
> and get complete routes in R1 using virtual link ?
>
>
> Thanks in advance
>
>
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