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How DVR is DVR

With DVR, if you've got a tenant that has 3 vm's (all on the same subnet, say with a default gateway of distributed across 3 separate physical hosts, are there 3 DVR's for that one tenant (1 per vm per host) at the same time?

For some reason I was thinking there was one DVR per tenant that was active (DVR with vrrp) that was the router the distributed vm's used to get in/out...

If the answer is that each compute node has it's own DVR router for the same subnet, are they all sharing the same MAC address for the interface that is serving as the Default Gateway for the tenants? If not, when a vm moved from one host to another, they would have incorrect ARP info for same DGW ip on the new host...

Thanks in advance!