Re: Nexus 1K VEM is Flapping very often and cost packet discard
There's not enough information to determine the reason by those two outputs alone. All those commands tell us is the VSM is removing/attaching the VEM.
The normal cause for the VEM to flap is a problem with the Control VLAN communication. The loss of 6 consecutive heart beats will cause the VEM to detach from the VSM. We need to isolate the reason why.
-Which version of 1000v & ESX?
-Are multiple VEMs affected or just one?
-Are the VSM's interfaces hosted on the DVS or vSwitch?
-What is the network topology between the VEM and VSM (primarily the control VLAN)
-Do you have the Cisco SR # I can take a look into it. TAC is your best course of action for an issue like this. There will likely need to be live troubleshooting into your network environment to determine the cause.
VMware Trunk Port Group is supported from ACI version 2.1
VMM integration must be configured properly
ASA device package must be uploaded to APIC
ASAv version must be compatible with ACI and device package version
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