Web Management Interface
Access settings through Virtual Machine Manager | Connection Details > Network Interface
Command Line Interface
apt-get install vlan bridge-utils
edit /etc/network/interfaces:
#edit physical interface
auto eno 1
Where eno 1 is the network server on the Ubuntu interface.
iface eno 1 inet manual
#add sub-interface, the number is vlan to be added
auto eno1.301
iface eno1.301 inet manual
vlan-raw-device eno 1
#add bridge
auto brvlan301
iface brvlan301 inet static
bridge_stp off
bridge_waitport 0
bridge_fd 0
bridge_ports eno 1_301
address 10.103.4.19
netmask 255.255.255.0
gateway 10.103.64.1
dns_nameserver 10.196.202.200
systemctl restart network