VMware – Linux VLAN tagging with Cisco Trunk Port

July 2, 2013

I wanted to quickly document how you’re able to allow your Linux VMs to use VLAN tagging when using VMware ESXi. I originally ran into this problem when I was converting an avahi physical machine into a VM. After I had migrating the machine over, it was unable to bring up the VLAN interfaces. It ended up being really easy to fix, but it was a matter of knowing where to look. It is as simple as setting “VLAN ID (Optional)” to “ALL (4096)”

  1. Click the ESXi/ESX host.
  2. Click the Configuration tab.
  3. Click the Networking link.
  4. Click Properties.
  5. Click the virtual switch / portgroups (often named VM Network) in the Ports tab and click Edit.
  6. Click the General tab.
  7. Select “All (4096)” in “VLAN ID (optional)”.
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