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FS#4266 — DEC-iX

Attached to Project— Reseau Internet et Baies
Incident
Tout le réseau
CLOSED
100%
Les sessions BGP sur le DEC-IX sont instables. Nous recherchons l'origine du problème.
Date:  Tuesday, 08 June 2010, 13:24PM
Reason for closing:  Done
Comment by OVH - Tuesday, 08 June 2010, 10:14AM

Un probleme sur le DECIX.

Problem description:

We see flapping sessions all over the switches. Engineering is investigating.

Update 2010-06-08 07:57 UTC

We have isolated a suspect port which might be causing a loop on the platform. For now we
have shut down the suspicious port and continue to monitor the situation.

Update 2010-06-08 08:07 UTC

To answer the question why our MAC filter lists did not prevent this: There is an open issue
with Force10 because the filters are not applied to broadcast packets.


Comment by OVH - Tuesday, 08 June 2010, 13:23PM

Close notice:

Problem was caused by a loop on a customer port. Because of a bug in the application of
access lists to customer ports, broadcast packets were not filtered.

Tomorrow during our maintenance window we will apply a patch which should address this
problem.