Intermittent Error in CE Router

Unanswered Question
Oct 26th, 2009

Hi Guys,

Do you all know what is the primary cause when I see the Intermittent between O and O IA in CE routing Table.

2 Sites using OSPF Area 0.

This is the topology ;


= CE HQ = <-> = PE HQ = <-> Cloud Telkom <-> = PE DRC = <-> = CE DRC =



I have this problem too.
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Giuseppe Larosa Mon, 10/26/2009 - 14:28

Hello Suryanto,

you should provide more details about this, for example the time cycle of events:

is this happening regularly every N seconds and routes appear again after M seconds or it is a random pattern?.

is the topology so simple or there are multiple paths and other MPLS VPN sites?

Hope to help


demoschairos Mon, 10/26/2009 - 20:18

This is happening when I do the clear ip ospf process in DRC sites.

It is intermittently happened in the random pattern.

Between CE there is two link MPLS 1 and MPLS 2 .


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