disruption of vpc heartbeat connection

[HILTI ET Data and Security Team]

want to move the vpc heartbeat connection of a N9K pair from a L2 switch to a direct cable.
To my understanding -as long as the peer link is up- a disruption of the heartbeat link should not affect any traffic to the connected hosts.
Is this correct? Or do I need a maintenance window for this?

[MHM Cisco World]

There is nothing happened to traffic but you need to be fast' 

And it better done this in maintenance window.

The keepalive is not only use for heartbeat but also for exchange mgmt/control traffic between two vpc NSK.

If you want I will make small lab test down keepalive and share details about interface and vpc status.

But I am sure it not effect.

MHM

[HILTI ET Data and Security Team]

Hi MHM
thanks for your quick reply.
would be great if you could do a lab test and let us know the result.
thanks once more & best regards
Frank

[MHM Cisco World · Accepted solution]

as I mention before the traffic will not effect by keepalive down 

but you need to reconfig it ASAP

MHM

[HILTI ET Data and Security Team]

Hi MHM
thanks for your  prompt lab. It makes me confident that this change can be done (quickly) in an "out-of-office-hour"
Keep you informed when done
best regards
Frank