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VSX Multiple Interfaces on the Same vlan

Question asked by Dor Marcovitch on May 21, 2018
Latest reply on May 21, 2018 by Daniel Taney



i was just exposed to a design in which i have a VSX cluster configured in VSLX mode.

i know that admin guide mentioned that it is recommended to have dedicated management interface for the VS.

so the VSX has the interface that used for VS0 to vlan 3, and one of the VSs (VS3) on that VSX has an interface on vlan 3 that acts as the default GW for that vlan.

the problem i notice on the switch is MAC moving between the port used for the dedicated managment interface and the port that run all the vlans for the VSs including VS3. this mac is the source MAC of the packets used by the CCP protocol.


it looks like the same issue exist for "multiple gateways cluster on the same vlan". however the cluster ID is a parameter used for the entire VSX cluster and it is not per-vs parameter. 


1) what is the best practice configuration on this scenario?

2) how the above configuration settles with the fact that

2.1) best practice to have dedicated management interface for VS0  

2.2) VS0 in VSX cluster is by itself a cluster

2.3) VS0 should have internet connection and from what i see in most cases it can get it from one of the VSs