Hi,
I am setting up a kvm/qemu/libvirt host (debian buster 10.5) with two ethernet
interfaces: eno1 for the host traffic and eno2 for the VM traffic. eno2 is
connected to a trunk switch port carrying the VLANs 4,7,221 and 800.
So i put this in /etc/network/interfaces:
=========================
allow-ovs br0
iface br0 inet static
ovs_type OVSBridge
ovs_ports eno2
allow-br0 eno2
iface eno2 inet manual
ovs_bridge br0
ovs_type OVSPort
ovs_options tag=4,7,221,800
==========================
this gives me
==========================
ovs-vsctl show
0946b4ce-fb87-4fb5-84fd-c9fec7d7dbd5
Bridge "br0"
Port "vnet1"
tag: 800
Interface "vnet1"
Port "br0"
Interface "br0"
type: internal
Port "vnet0"
tag: 800
Interface "vnet0"
ovs_version: "2.12.0"
===========================
the vnet0 and vnet1 are virtual machines. btw, this is the XML of the
respective network:
===========================
<network connections='2'>
<name>guest-network</name>
<uuid>c6c325fb-cd95-4d1a-971a-dc241c2c853e</uuid>
<forward mode='bridge'/>
<bridge name='br0'/>
<virtualport type='openvswitch'/>
<portgroup name='vlan-4'>
<vlan>
<tag id='4'/>
</vlan>
</portgroup>
<portgroup name='vlan-7'>
<vlan>
<tag id='7'/>
</vlan>
</portgroup>
<portgroup name='vlan-800'>
<vlan>
<tag id='800'/>
</vlan>
</portgroup>
<portgroup name='vlan-all'>
<vlan trunk='yes'>
<tag id='4'/>
<tag id='7'/>
<tag id='221'/>
<tag id='800'/>
</vlan>
</portgroup>
</network>
============================
if i do
==========================
ip link set eno2 up
==========================
i get
==========================
ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group
default qlen 1000
link/ether 34:48:ed:f0:a9:e8 brd ff:ff:ff:ff:ff:ff
inet 195.37.235.117/26 brd 195.37.235.127 scope global eno1
valid_lft forever preferred_lft forever
inet6 fe80::3648:edff:fef0:a9e8/64 scope link
valid_lft forever preferred_lft forever
3: eno2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group
default qlen 1000
link/ether 34:48:ed:f0:a9:e9 brd ff:ff:ff:ff:ff:ff
inet6 fe80::3648:edff:fef0:a9e9/64 scope link
valid_lft forever preferred_lft forever
4: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether 36:97:3a:8e:fd:fb brd ff:ff:ff:ff:ff:ff
5: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
group default qlen 1000
link/ether 36:66:8b:eb:9a:42 brd ff:ff:ff:ff:ff:ff
inet6 fe80::3466:8bff:feeb:9a42/64 scope link
valid_lft forever preferred_lft forever
6: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master
ovs-system state UNKNOWN group default qlen 1000
link/ether fe:ad:be:ef:02:02 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fcad:beff:feef:202/64 scope link
valid_lft forever preferred_lft forever
7: vnet1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master
ovs-system state UNKNOWN group default qlen 1000
link/ether fe:ad:be:ef:01:01 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fcad:beff:feef:101/64 scope link
valid_lft forever preferred_lft forever
==========================================
Why doesn't eno2 show up no br0?
how do i tell /etc/network/interfaces that eno2 should be UP?
is the notation for the VLANs correct for eno2 in /etc/network/interfaces?
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