From: ron wilkerson (ron.wilkerson@gmail.com)
Date: Wed Oct 18 2006 - 17:19:57 ART
hey,
the older route will be installed in the rib.
On 10/4/06, Daniel Fredrick <dfredrick@gmail.com> wrote:
>
> OK... this seems like an easy question, but is difficult of find
> documentation on it.
>
> If you have a setup like the following...
>
> (R4) (R3)
> \ /
> \ /
> (R5)
>
> R4 and R3 are sending the same route to R5. On R5, they both have an equal
> cost... so by default ospf on R5 will load balance across the two paths,
> since the metric-type and metric are equal.
>
> Now this is part that I cannot find documentation on...
>
> If I go under the ospf process on R5 and set the maximum-paths to 1. Now
> load balancing is disabled.
>
> How does R5 determine which route to prefer? What if I change the Admin
> distance for the routes coming from R4 to 100? Will that influence
> anything?
>
> I noticed it goes by lowest-router ID... but is there some documentation
> on
> this... or an order of steps that ospf will follow for the best path
> selection?
>
> Thanks,
> Dan
>
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