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FS#5739 — FS#9658 — pCC routing

Attached to Project— Dedicated Cloud
Maintenance
Backend / Core
CLOSED
100%
In follow-up to http://status.ovh.co.uk/?do=details&id=5713, we are now able to bring the RIPE IP routing directly back to the Nexus 7000, and to set up the GLBP protocol to enable better distribution of the load between the routers.

For this update, a few seconds downtime is expected while moving from HSRP protocol to GLBP protocol.

We will be gradually be migrating the VLANs onto the Nexus 7000 at night, from the night of Mon Nov 11th/Weds Nov 12th to the night of Weds Nov 13th/ Thurs Nov 14th.

In order to have stable configurations for the switchover, we will have to stop blocking the IP management robots from Monday.
Date:  Friday, 15 November 2013, 12:27PM
Reason for closing:  Done
Comment by OVH - Friday, 08 November 2013, 10:29AM

In order to prepare the device for the new routing configuration, we have to carry out a switchover (of the active supervisor to the standby one). We will do this in a few minutes.


Comment by OVH - Friday, 08 November 2013, 10:31AM

The switchover has been carrie dout in 2 directions. The card that was initiall in active is now active again. We now have to reboot the 3 line cards (M2 cards) to make the change effective there too.


Comment by OVH - Friday, 08 November 2013, 10:36AM

The line card reboot was not sufficient to make the change effective on the line card TCAMSs.That will require a total reboot of the chassis, which we want to avoid if possible. We will work the Cisco engineers tomorrow, who will be on site in Roubaix trying to find a soft solution to this problem. If this is not possible, we will plan new maintenance works overnight to reload the chassis.


Comment by OVH - Tuesday, 12 November 2013, 02:26AM

Following the task in progress http://status.ovh.co.uk/?do=details&id=5745 , we will start switching operations starting from Tuesday night on 12th to Wednesday 13th.


Comment by OVH - Tuesday, 12 November 2013, 13:23PM

We're going to switch the routing onto the Nexus 7000s for the Admin VLANS for the hosts and storage.


Comment by OVH - Tuesday, 12 November 2013, 15:59PM

The storage Admin VLAN has been switched over.

We have an configuration issue on the Admin VLAN for the hosts.


Comment by OVH - Tuesday, 12 November 2013, 15:59PM

done.


Comment by OVH - Wednesday, 13 November 2013, 13:32PM

We are delaying the switchover of the routing on the Nexus 7000s.

The maximum GLBP configuration of the Nexus 7000s will be reached if we switch the routing.


Comment by OVH - Friday, 15 November 2013, 12:21PM

We're having routing issues with the Nexus 7000s. We're going to switch the routing back to the host Admin VLANs and storage Admins on the routers.


Comment by OVH - Friday, 15 November 2013, 12:27PM

Done.