[quagga-users 12960] OSPF configuration for same IP in multiple area

Sunil Govind sunil.govind at gmail.com
Sun Sep 9 12:10:38 BST 2012


I am a quagga user..

I use 3 OSPF areas as Area 0, Area 1 and Area 2. Area 0 has 3 routers in
which 2 routers are connected to Area1 and Area2 respectively.

R0 -----------
|               |
|[area 0]    |
R1  -------  R2
|                |
|[area1]      | [area2]
R3            R4

I use 192.168 segment with as netmask in area 1 and area 2.
My requirement is to assign high cost in R3 for, and less
cost for same IP in R4.
This will make R0 -->  R2 -->  R4 route to select. Now if i select less
cost in R4 for, then i want R0 -->  R1 -->  R3.

Is this topology correct? is it possible to configure this setup with
quagga ospf. I wud like to use quagga and zebra here.

Now i tried this topology, but the cost which i set in R3 or R4 is not
showing in "sh ip route" from R0 router.
It says always 110/20 and selects always R0 -->  R2 -->  R4 route.

Also i am using redistribute kernel in R3 and R4.

pls help..
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