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Cisco Bug: CSCuo32012 - VMFEX - Passthrough mode doesn't get active for the VM

Last Modified

May 08, 2015

Products (1)

  • Cisco UCS Virtual Interface Card

Known Affected Releases


Description (partial)

Enable UPT-VMFEX on ESX host. Add ESX host to vDS. Connect a VM with a vmxnet3 vNIC to a portgroup supporting UPT. Enable UPT on vDS Port. Bring up the VM with vmxnet3 vNIC. 

Network Passthrough should become active on the VM port, but it does not.

Happens when ENIC driver is loaded on ESX host.
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