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We are currently experiencing a problem with this pair of N56.
There is a huge loss on servers.
We investigate the problem.
Update(s):
Date: 2017-01-08 17:27:55 UTC The 4 VIs are up and no problems found. The first impact does not happen again.
We will review the traces in more detail.
Date: 2017-01-08 17:07:04 UTC We shut the BVIs gra1-3b-a9 and up the uplink to 3b => no loss.
The router appears to be the cause of the loss.
We go up the BVI and troubleshoot router side.
Date: 2017-01-08 16:55:37 UTC We migrated hsrp on the standby router => no upgrade.
We have shutdown the gra-29a / b uplinks to the gra1-3b-a72 concentrator (linke to the router gra1-3b-a9) => there is no more breakdown in the monitoring system.
However GScan no longer sees the same count of ip reachable before and after. We investigate.