A lot of PING drop during VM vMotion to new upgrade VEM ESXi host
Recently, i help my customer upgrade Nexus 1000v VSM & VEM from 4a to 1.1a. Although the whole upgrade is smooth but i found out lot of ping packet was drop during vMotion one VM back to that ESXi host.
The result is normal when i try to VM vMotion to different ESXi host (just 1 icmp packet drop). And i found out the problem just happen on the first time when i vMotion VM back to the upgraded VEM ESXi host. The second time just happen one ICMP packet drop. But i when i vMotion VM belong to another VLAN, the problem reproduce again.
So anybody known what problem on this case, and any solution can provide for me?
Thr issue still happen during vmotion from old VEM esxi to new version VEM esxi, so i require schedule maintenance window for vmotion VM on Cisco nexus 1000v upgrade. That is very disappointed unable found out the issue exactly. But i guess the issue seem relate on physical switch mac address update issue.
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