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Cisco Bug: CSCus39009 - enic driver advertising VMQ capability in the SR-IOV mode

Last Modified

Jun 22, 2015

Products (1)

  • Cisco UCS B-Series Blade Servers

Known Affected Releases

2.4(0.15)

Description (partial)

Symptom:
When using SR-IOV, VMQ shows as enabled on the interface used for SR-IOV/VM-FEX

Example: Here 'Ethernet 2' is using SR-IOV and is connected to the VM-FEX switch
	
PS C:\Program Files> Get-NetAdapterVmq

Name                           InterfaceDescription              Enabled BaseVmqProcessor MaxProcessors NumberOfReceive
                                                                                                        Queues
----                           --------------------              ------- ---------------- ------------- ---------------
Ethernet 2                     Cisco VIC Ethernet Interface #2   True    0:0                            0
Ethernet                       Cisco VIC Ethernet Interface      False   0:0                            0


But the enictool shows that VMQ is not enabled

PS C:\Program Files\Cisco Systems\VIO Software\Utilities\Ethernet Utilities\Enictool> .\enictool.exe /y "Ethernet 2"
Ethernet 2:
    SRIOV Enabled = True
    VMQ Enabled   = False	<<<
    Switch Name = Default Switch Name
    Max VF      = 1
    Num VF      = 0
    Max VPorts  = 2
    Num VPorts  = 0
    Host Name   = <not set>
    Host Id     = <not set>
    Wdn Name    = VMFEX-DVS
    Wdn Id      = 4747fd92-6395-4da0-a3f4-d4821034985a
Configured lports=2
=======================================================================================
 Id         Type          NdisId     FexId        State       PPSet    MAC
=======================================================================================
  0    ENIC_VNIC_STATIC        0        0    LPORT_RUNNING     Yes    00:00:00:00:00:00
  1       ENIC_VNIC_IOV    65535        4    LPORT_RUNNING     Yes    00:15:5D:4E:27:01

Conditions:
Using SR-IOV, not VMQ
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