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Enthusiast

Intermittent networking issue - troubleshooting assistance requested

My setup: 2 sites, over 80 blade server hosts.  I am in process of adding new hosts and upgrading current ones to ESX7.

I am having intermittent issues when I vmotion my test VM from host to host.  I am using a simple powercli script to move the VM and the migration works fine, but I sometimes lose pings to the VM.  I might try moving it back to a previously successful host which was working and then it wouldn't. Then, I might let the VM sit on the host for a while and out of nowhere it starts pinging.   How can I narrow down where this issue is? 

The issue appears on multiple vlans, multiple hosts and multiple versions of ESX.

Any help would be greatly appreciated.

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