------- Original Message -------
On Friday, October 13th, 2023 at 4:51 PM, Ilya Maximets <[email protected]>
wrote:
> I'd suggest you disable the lacp-fallback-ab, so the bond doesn't
> fall back to active-backup mode on failures. At least while you're
> troubleshooting.
Executed
# ovs-vsctl set port bond0 bond_mode=balance-tcp lacp=active
other-config:lacp-fallback-ab=false other-config:lacp-time=slow
Now all the interfaces are disabled
---- bond0 ----
bond_mode: balance-tcp
bond may use recirculation: yes, Recirc-ID : 1
bond-hash-basis: 0
lb_output action: disabled, bond-id: -1
updelay: 0 ms
downdelay: 0 ms
next rebalance: 9560 ms
lacp_status: configured
lacp_fallback_ab: false
active-backup primary: <none>
active member mac: 00:00:00:00:00:00(none)
member vnet74: disabled
may_enable: false
member vnet75: disabled
may_enable: false
member vnet76: disabled
may_enable: false
member vnet77: disabled
may_enable: false
member vnet78: disabled
may_enable: false
member vnet79: disabled
may_enable: false
> Also, how does the flow table look like? i.e. what's in the output
> of 'ovs-ofctl dump-flows ovsbr-lacp0' ? In case there are rules that
> would drop LACP traffic.
# ovs-ofctl dump-flows ovsbr-lacp0
cookie=0x0, duration=103674.235s, table=0, n_packets=6798, n_bytes=2111314,
priority=0 actions=NORMAL
I guess this is fine.
I did some more digging and when running tcpdump on both the ovs and on Ubuntu
I get this packet repeatedly at both interfaces:
12:23:17.081894 LACPv1, length 110
Actor Information TLV (0x01), length 20
System a6:a0:01:43:3a:41, System Priority 65534, Key 15, Port 17,
Port Priority 65535
State Flags [Activity, Aggregation, Collecting, Distributing, Default]
Partner Information TLV (0x02), length 20
System 00:00:00:00:00:00, System Priority 0, Key 0, Port 0, Port
Priority 0
State Flags [none]
Collector Information TLV (0x03), length 16
Max Delay 0
Terminator TLV (0x00), length 0
I am assuming this is a packet originated from a6:a0:01:43:3a:41 which happens
to be the MAC of ovsbr-lacp0
# ovs-vsctl -f table --columns=name,mac_in_use list interface | grep
a6:a0:01:43:3a:41
ovsbr-lacp0 "a6:a0:01:43:3a:41"
Am I correct in assuming that ovs is sending LACP packets correctly while
Ubuntu is not responding and not sending its own LACP packets?
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