Kvm change guest vlan

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To change the vlan interface on kvm vm without a reboot you need to use virsh. Here an example with a Windows guest vm:

  • 1st remove nic:
virsh # detach-interface win2k8 --type bridge
Interface detached successfully
  • then add nic with eventually the same mac address:
virsh # attach-interface win2k8 --type bridge --source br_v10 --mac 52:54:00:73:00:6e
Interface attached successfully