From: Gary Duncanson (gary.duncanson@googlemail.com)
Date: Thu Sep 20 2007 - 12:00:16 ART
For OSPF the Order of Precedence of Metric is as follows:
Intra-area
Inter-area
E1
E2 (For E2 routes whose metric ties, OSPF also checks the cost to the
adverstising ASBR).
Odom p341
Gary
----- Original Message -----
From: "SCD" <scdman@gmail.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, September 20, 2007 12:37 PM
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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