OSPF partitioning issue

From: SHARMA,MOHIT (HP-Germany,ex1) (mohit.sharma@hp.com)
Date: Wed Jun 11 2003 - 17:37:45 GMT-3


Hi all,

In the following scenario-

           Area0---------Area2
                \ |
                   \ |
                        \ |
                           \ |
                             Area2

If the link between Area2 fails, it becomes discontiguos, this makes the
intra area routes to be shown as inter area routes in both the area 2
routers, I tested this in the lab and found no visible reachability issues.
Does this disconinuity create any hidden problems?

The other question is, that if we need to repair this, can i use a virtual
link between Aree2 to Area 0 and then to Area 2
or should I use a tunnel interface on each router putting them into area 2??
I actually tried it using tunnel but was not able to make it work , as I was
still seeing some of the Area 2 routes as O IA routes.

Thanks as always for your inputs.

Smiles,

Mohit.



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