OSPF Virtual links - through multple routers:

From: Todd, Douglas M. (DTODD@PARTNERS.ORG)
Date: Mon Apr 30 2007 - 18:40:25 ART


Hi All:

I have a question on virtual links:

Say I have the following:

------------R4----------R1----------R3----------R2
----AREA_2--X--AREA_3----X--AREA_3---X--AREA_0---

I can get a tunnel in this senerio to work fine. However, I am having a problem
getting a virtual link between
R4->R3
Seems R3 does not like the virtual link coming from and thinks there is a ospf
area missmatch.
the basics:
R4:
area 3 virtual-link 190.10.3.3
R3:
area 3 virtual-link 190.10.4.4

I am getting errors about vitual-link miss matches. Do I not use the RID in
this case? OR do I need to create a VL between R3-R1, R1-R4?

So - how do I create a vitual link between two router (R4->viaR1->R3) with a
ABR in the middle?

What am i missing?

Thanks.
DMT

Douglas Todd
Partners HealthCare, Inc.
Network Engineering East
Master Network Engineer
Charlestown Navy Yard
Building 149 (MGH East)
13th Street
Charlestown, MA 02129

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