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FS#13860 — FS#19476 — rbx1-3a/b-a9, rbx1-4a/b-vr et rbx1-5a/b-vr

Attached to Project— Network
Modernization
Roubaix → RBX-1
Planned
0%
Details

To continue with the migration process from rbx1-3a/b-a9 to rbx1-4a/b-vr and rbx1-5a/b-vr found here:
http://travaux.ovh.net/?do=details&id=19336
http://travaux.ovh.net/?do=details&id=17552
http://travaux.ovh.net/?do=details&id=18034

We will migrate the following networks on Thurday, August 4, starting at 10:00 p.m. (France):

91.121.201.0/24
91.121.203.0/24
91.121.205.0/24
91.121.207.0/24
87.98.217.0/24
87.98.219.0/24
91.121.1.0/24
91.121.3.0/24
91.121.5.0/24
91.121.7.0/24
91.121.9.0/24
91.121.11.0/24
91.121.13.0/24
91.121.15.0/24
91.121.17.0/24
91.121.19.0/24
91.121.21.0/24
91.121.23.0/24
91.121.25.0/24
91.121.27.0/24
91.121.29.0/24
91.121.31.0/24
91.121.65.0/24
91.121.67.0/24
91.121.69.0/24
91.121.71.0/24
91.121.73.0/24
91.121.75.0/24
91.121.77.0/24
91.121.79.0/24
91.121.81.0/24
91.121.83.0/24
91.121.85.0/24
91.121.87.0/24
91.121.89.0/24
91.121.91.0/24
91.121.93.0/24
91.121.95.0/24
91.121.97.0/24
91.121.99.0/24
91.121.101.0/24
91.121.103.0/24
91.121.105.0/24
91.121.107.0/24
91.121.109.0/24
91.121.111.0/24
91.121.113.0/24
91.121.115.0/24
91.121.117.0/24
91.121.119.0/24
91.121.121.0/24
91.121.123.0/24
91.121.133.0/24
91.121.135.0/24
91.121.137.0/24
91.121.139.0/24
91.121.141.0/24
91.121.143.0/24
91.121.145.0/24
91.121.147.0/24
91.121.149.0/24
91.121.151.0/24
91.121.153.0/24
91.121.155.0/24
91.121.156.0/24
91.121.157.0/24
91.121.158.0/24
91.121.159.0/24
91.121.160.0/24
91.121.161.0/24
91.121.162.0/24
91.121.163.0/24
91.121.164.0/24
91.121.165.0/24
91.121.166.0/24
91.121.167.0/24
91.121.168.0/24
91.121.169.0/24
91.121.170.0/24
91.121.171.0/24
91.121.172.0/24
91.121.173.0/24
91.121.174.0/24
91.121.175.0/24
91.121.176.0/24
91.121.177.0/24
91.121.178.0/24
91.121.179.0/24
91.121.180.0/24
91.121.181.0/24
91.121.182.0/24
91.121.183.0/24
91.121.184.0/24
91.121.185.0/24
91.121.208.0/24
91.121.209.0/24
91.121.210.0/24
91.121.211.0/24
91.121.220.0/24
91.121.221.0/24
91.121.222.0/24
91.121.223.0/24
213.251.184.0/24
213.251.185.0/24
213.251.186.0/24
213.251.187.0/24
91.121.192.0/24
91.121.193.0/24
91.121.194.0/24
91.121.195.0/24
91.121.196.0/24
91.121.197.0/24
91.121.198.0/24
91.121.199.0/24

A failure of a few seconds will occur during the transition from HSRP to VRRP.

******************************

Comment by OVH - Thursday, 04 August 2016, 22:29PM

Migration is starting...


Comment by OVH - Friday, 05 August 2016, 02:18AM

The migration wasn't completed due to crashes occurring with vRouters on VRRP processes.
They multiplied to the point of overloading the equipment.

We will troubleshoot this tomorrow. Migration from HSRP to VRRP is still OK, though.

We will report any further development about this once the root cause has been identified.

Comment by OVH - Friday, 05 August 2016, 10:13AM

This operation has impacted monitoring sur les réseaux concernés. Nous corrigeons actuellement le monitoring.


Comment by OVH - Friday, 05 August 2016, 13:51PM

Monitoring is back to normal after rolling back to HSRP and clearing ARP caches. A review of what happened will be done so that the next migration happens without any issues.