Wednesday, October 6, 2021

Can I ask a basic question about VMware vDS in this sub?

Maybe my search skill is rusty, but I just can not find the answer for these questions: Does VMware vDS perform local layer2 forwarding? If so, how to see the ARP table of a particular vDS on a ESXi host?

Say VM1 (192.168.0.100/24) and VM2 (192.168.0.200/24) are both running on host1 which associated with a vDS via vCenter. When VM1 wants to communicate with VM2, will this traffic leave host1 northbound to physical switch and then back down to host1 to VM2 OR will vDS just forward the traffic within host1 directly?

If vDS would forward this layer 2 traffic within host1, how to get the ARP table for vDS on host1?

Lastly, will the behaviour be different between vSphere 6.7 and 7.x?



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