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FS#5647 — FS#9566 — Updating dedicated network switches

Attached to Project— Network
Maintenance
the whole network
CLOSED
100%
We are starting an update campaign on some dedicated network switches.


Date:  Wednesday, 23 October 2013, 03:57AM
Reason for closing:  Done
Comment by OVH - Wednesday, 23 October 2013, 00:49AM

We are starting the switch updates.


Comment by OVH - Wednesday, 23 October 2013, 00:50AM

The update is not going properly on the network 176.31.224.


Comment by OVH - Wednesday, 23 October 2013, 00:50AM

46.105.106.0/24 and 46.105.107.0/24 are updated


Comment by OVH - Wednesday, 23 October 2013, 00:51AM

46.105.108.0/24 and 46.105.109.0/24 are updated


Comment by OVH - Wednesday, 23 October 2013, 00:51AM

Networks being updated:
176.31.224.0/24
176.31.225.0/24
176.31.226.0/24
176.31.227.0/24
176.31.228.0/24
176.31.229.0/24
176.31.230.0/24
176.31.231.0/24


Comment by OVH - Wednesday, 23 October 2013, 00:51AM

Updated networks:

5.135.135.0/24
178.33.126.0/24
37.187.68.0/24
37.187.69.0/24
178.33.238.0/24
178.33.239.0/24


Comment by OVH - Wednesday, 23 October 2013, 02:57AM

Updated networks:

5.135.135.0/24
178.33.126.0/24
37.187.68.0/24
37.187.69.0/24
176.31.228.0/24
176.31.229.0/24
176.31.230.0/24
176.31.231.0/24
178.33.224.0/24
178.33.225.0/24
178.33.226.0/24
178.33.227.0/24
178.33.232.0/24
178.33.233.0/24
178.33.234.0/24
178.33.235.0/24
178.33.238.0/24
178.33.239.0/24


Comment by OVH - Wednesday, 23 October 2013, 03:01AM

We are having difficulties on the following networks:


176.31.224 à 227/24

On the 2x2 switches connecting these networks, the update didn't go well.

On 224/225:
The fex on which the servers are connected are going offline within few minutes. We have decided to downgrade to the previous version.

On 226/227:
2 fex (around 96 servers) are only running on one switch of the pair rather than 2. the traffic shouldn't be impacted. We are carrying on the troubleshooting to recover the redundancy.


Comment by OVH - Wednesday, 23 October 2013, 03:38AM

The switches of the networks 176.31.224 and 225 are now downgraded and are back to normal. We will work with Cisco to determine the source of the issue.

On 226/227 we have rebooted one of the switches of the pair then the second as one or several fex are still missing the call. we are now again in a stable status for these networks with redundancy. All fex are being known again on each of both chassis.

Here's the final list of the updated networks tonight. There was no major impact on the traffic out of 4 networks on which we have encountered difficulties detailed above.

Updated networks:

5.135.135.0/24
178.33.126.0/24
37.187.68.0/24
37.187.69.0/24
176.31.226.0/24
176.31.227.0/24
176.31.228.0/24
176.31.229.0/24
176.31.230.0/24
176.31.231.0/24
178.33.224.0/24
178.33.225.0/24
178.33.226.0/24
178.33.227.0/24
178.33.232.0/24
178.33.233.0/24
178.33.234.0/24
178.33.235.0/24
178.33.238.0/24
178.33.239.0/24

rollback for these 2 following networks:
176.31.224.0/24
176.31.225.0/24