On 10 Sep 2024, at 13:38, John Depp wrote:
> Thanks for you suggestions. > > Yes, I'm running LACP inside VM as well - it's systemd-networkd controlled, > and works well with real HW and a LACP capable switch. > > I'll check it again anyways, probably I'll try to sniff LACP traffic on > interfaces. > > Thank you. The OVS and kernel commands mentioned below may provide more insight into the individual lacp/bond status and potentially explain why the link is down. Some configuration details might also help. //Eelco > > > > вт, 10 сент. 2024 г. в 14:20, Eelco Chaudron <echau...@redhat.com>: > >> >> >> On 10 Sep 2024, at 13:07, John Depp via discuss wrote: >> >>> Hi! >>> >>> I'm using OVS in virtual environment for testing purposes. >>> Sometimes I'd like to test different network configurations, including >> LACP >>> >>> So, I'd like to have LACP bonded interfaces in my VM, backed by LACP on >>> OVS, not using any hardware switch >> >> Both sides of the link need to run LACP. So how is your VM configured to >> support LACP? >> >> If you are running linux on the VM you need to do something like this: >> >> # modprobe bonding miimon=100 mode=4 lacp_rate=1 >> # ip link add name bond10 type bond >> # ifenslave bond10 p1p1 p1p2 >> # ip link set dev bond10 up >> # ifenslave bond10 p1p1 p1p2 >> >> And then you can do “cat /proc/net/bonding/bond10” to see the status. >> Same on the OVS side, you can do “ovs-appctl bond/show <bond_name>” and >> “ovs-appctl lacp/show <bond name>”. >> >>> I've tried bonding virtual ports on OVS side like >>> >>> ovs-vsctl add-bond vmbr0 lacptest tap133561i1 tap133561i2 >>> >>> but LACP never goes up >>> >>> Moving virtual interfaces to intermediate OVS bridges and then bonding >>> these bridges does not work also - it seems OVS can't nest bridges. >>> >>> Are there any way to make hardware-independed LACP with OVS? >>> _______________________________________________ >>> discuss mailing list >>> disc...@openvswitch.org >>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >> >> _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
