RE: Route Preference in OSPF based on cost and route-types

From: subodh.rawat@wipro.com
Date: Thu Sep 20 2007 - 08:58:21 ART


OSPF route selection precdure is:

1)Itra-Area
2)Iter-Area
3)External Routes
4)External routes advertised by highest router ID

This I saw in Scott-Morris' presentation somewhere.

Subodh

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
SCD
Sent: Thursday, September 20, 2007 5:07 PM
To: ccielab@groupstudy.com
Subject: Route Preference in OSPF based on cost and route-types

Hi Group,

    I am not sure which router will be preferred at the following
scenarios. I would be glad if you know them already. Or else I will dig
for some documents to find if the results and if not I have to try it in
the lab and then will let you know all.

Que 1:

Equal OSPF Cost for intra-area(O) and inter-area(O IA) for a network.

Will the traffic load balanced over this both routes or only Intra-area
route will be installed in RIB?

Que 2:
Inter-area cost lower than Intra-Area cost for a network.

Which route will be installed Intra-area(with high cost) or
Inter-area(with lower cost)

Although I can find the answer, I thought this question might be useful
for the group.

Regards
SCD



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