On 1/4/20 4:48 AM, Amir Sela wrote:
Hi,
I have an existing OVS bridge, that I can see in ovs-vsctl and use
for other purposes.
Does the bridge show up when you run "ovs-vsctl list-br"? Both OVS
bridges I have on my system are seen in that list. I created them both
with "ovs-vsctl add-br BLAH". How did you create your bridges?
I've edited the machine's XML as instructed in
http://docs.openvswitch.org/en/latest/howto/libvirt/
When I try to start the VM, i get
error: Cannot get interface MTU on 'ovsbr': No such device
Is your OVS switch named "ovsbr"?
Any ideas?
(Note: I can't see the ovs switch in brctl show or any other regular
kernel tool, should it appear there?)
On my Fedora 31 system at least, OVS devices are not visible in "brctl
show", but they *are* visible with "ip link show". For example:
19: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN
mode DEFAULT group default qlen 1000
link/ether 0a:f7:2a:85:08:7c brd ff:ff:ff:ff:ff:ff
20: ovsbr0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
DEFAULT group default qlen 1000
link/ether 96:92:7a:1d:a6:4c brd ff:ff:ff:ff:ff:ff
Versions:
openvswitch-2.10.1-3.fc30.x86_64
libvirt-daemon-5.1.0-9.fc30.x86_64
The only differences on my system is the versions - I'm running Fedora
31, the openvswitch package is at 2.12, and libvirt is 6.0.0
(unreleased), but this is the same setup I've had for at least a few
years. The only other package on the system with "openvswitch" in the
name is "network-scripts-openvswitch", and I doubt that would have any
effect like what you're talking about.
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