Cisco Nexus 1000V - Port State is Blocked on a VEM; Port Troubleshooting Commands

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Cisco Nexus 1000V Troubleshooting Guide, Release 5.2(1)SV3(1.1)
OL-31593-01
Chapter 9 Ports
Port Troubleshooting Commands
Port State is Blocked on a VEM
Port Troubleshooting Commands
You can use the commands in this section to troubleshoot problems related to ports.
Possible Cause Solution
The VLAN is not created
on the VSM.
1. Verify the status and of the vEthernet interface. It should be up and
not inactive.
show interface vethernet number
2. Verify that the VLAN on the VSM is created.
show vlan vlan-id
On the VEM module, do the following:
1. Verify that the VLAN is programmed.
vemcmd show vlan vlan-id
2. Verify that the VLAN is allowed on the ports.
vemcmd show port vlan
3. Create the VLAN on the VSM.
vlan vlan-id
The VEM modules are
unlicensed.
1. Verify that all the modules are in licensed state.
show module
2. Verify the status of the vEthernet interface. It should be up and not
"VEM Unlicensed.”
show interface vethernet number
3. Verify the license status of VEM modules.
show module vem license-info
On the VEM module, do the following:
1. Verify that card details show Licensed: Yes.
vemcmd show card
2. Install the necessary licenses or move the switch to essential mode.
svs switch edition essential