Libvirt Openvswitch
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Openswitch integration
/etc/network/interfaces
auto lo
iface lo inet loopback
auto vmbr0
allow-ovs vmbr0
iface vmbr0 inet manual
ovs_type OVSBridge
ovs_ports ens5 vlan1
mtu 9000
auto ens5
iface ens5 inet manual
ovs_bridge vmbr0
ovs_type OVSPort
ovs_options tag=1 vlan_mode=native-untagged trunks=2,252
pre-up ovs-vsctl add-port vmbr0 ens5
pre-up ovs-vsctl del-port vmbr0 ens5
allow-vmbr0 vlan1
iface vlan1 inet static
ovs_type OVSIntPort
ovs_bridge vmbr0
ovs_options tag=1
ovs_extra set interface ${IFACE} external-ids:iface-id=$(hostname -s)-${IFACE}-vif
address 10.81.1.97
netmask 255.255.0.0
gateway 10.81.0.1
dns-nameservers 10.80.0.2 10.80.0.3
dns-search xinux.lan
mtu 1500
ovs-network.xml
<network connections='1'>
<name>ovs-network</name>
<forward mode='bridge'/>
<bridge name='vmbr0'/>
<virtualport type='openvswitch'/>
<portgroup name='vlan1'>
<vlan>
<tag id='1'/>
</vlan>
</portgroup>
<portgroup name='vlan2'>
<vlan>
<tag id='2'/>
</vlan>
</portgroup>
<portgroup name='vlan252'>
<vlan>
<tag id='252'/>
</vlan>
</portgroup>
<portgroup name='vlan-all'>
<vlan trunk='yes'>
<tag id='1'/>
<tag id='2'/>
<tag id='252'/>
</vlan>
</portgroup>
</network>
Aktivieren
- virsh net-define openswitch.xml
- virsh net-start ovs-network
- virsh net-autostart ovs-network
- virsh net-list --all
XML Interface in der VM
<interface type='network'> <mac address='52:54:00:ce:c8:d1'/> <source network='ovs-network' portgroup='vlan1'/> <target dev='veth0-lulu'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface>