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FS#8477 — FS#12348 — vss-10a/b-6k

Attached to Project— Network
Incident
Roubaix → RBX-4
CLOSED
100%
The CPU is abnormally high on the 6k pair. We are investigating.
Date:  Thursday, 12 March 2015, 11:27AM
Reason for closing:  Done
Comment by OVH - Friday, 09 January 2015, 11:26AM

We found a significant number packet pointed to the cpu . We enabled the necessary protection to protect the routers.
Traffic is stable again .


Comment by OVH - Saturday, 10 January 2015, 15:18PM

The dyscunctioning is there again. We aree monitoring the packets which are coming to the cpu.


Comment by OVH - Saturday, 10 January 2015, 15:19PM

The protections were applied and the routers have now a normal load rate.


Comment by OVH - Sunday, 11 January 2015, 20:25PM

The cpu is abnormally high. We are investigating.


Comment by OVH - Monday, 12 January 2015, 09:37AM

We have discovered two types of traffic heavily taxing the CPU. This multicast traffic is provoked automatically by certain operating systems.

We have validated the best technique to protect the CPU from these unnecessary requests.


Comment by OVH - Monday, 12 January 2015, 17:49PM

We have modified the acl concerning the issues on the CPU. We are monitoring the how
the vss-10a and b are functioning with the changes.