VxRail: ESXi host NIC may lose VDS uplink after upgrade or reboot

Summary: During a reboot or upgrade of the host, it may lose the uplink to the vSphere Distributed Switch(VDS). When this occurs, the Network Interface Controller(NIC) must be re-linked to the VDS. ...

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Symptoms

After system upgrade or ESXi host reboot, vCenter may show the host as unresponsive. We cannot ping the host.

 

Cause

ESXi host NIC loses VDS uplink.

To list all NICs, run the following command on the host,

esxcfg-nics -l

To verify the NIC is linked to vSwitch, run the following command on the host,

esxcfg-vswitch -l

Find the NIC which loses VDS uplink.

 

Resolution

To link the NIC to vSwitch, run the following command on the host,

esxcfg-vswitch -P <vmnic#> -V <unused_dvPort_ID> <dvSwitch>
esxcfg-vswitch command output example

 

Article Properties
Article Number: 000159144
Article Type: Solution
Last Modified: 10 Dec 2024
Version:  4
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