Ospf Scaling Issues

Unanswered Question
Apr 22nd, 2009

Hi All,

Does any one know the maximum number of ospf adjencies that cisco router support when accting as a PE device connected to a CE .

Many Thanks

I have this problem too.
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Giuseppe Larosa Thu, 04/23/2009 - 01:25

Hello Patricio,

heavier duties are for the DR / BDR on lan segment.

In normal routing it is not recommended to have more then 40-50 routers in the same lan segment.

Possible suggestions are to divide in multiple lan segments, to use two PE nodes and make them DR alternate on vlans/subnets

Hope to help

Giuseppe

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