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Bond with mode LACP show u/u in show interfaces even if peer is not configured
Closed, ResolvedPublicBUG



I'm setting up some new systems and if I configure a bond interface with mode 802.3ad show interfaces show u/u even if the switch has not enabled lacp.
Only link was up.


Difficulty level
Normal (likely a few hours)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

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mii-mon was fine. Link was enabled on the switch and the link for the interface was up. But on the LACP was not enabled on the switch.
So I would exepect to see the sub interfaces from the bond as up but the bond has to be down.

c-po changed Difficulty level from Unknown (require assessment) to Normal (likely a few hours).
c-po changed Is it a breaking change? from Unspecified (possibly destroys the router) to Perfectly compatible.
c-po set Issue type to Bug (incorrect behavior).
set interfaces bonding bond0 member interface 'eth1'
set interfaces bonding bond0 member interface 'eth2'
set interfaces bonding bond0 vif 10

results in

[email protected]# run show int
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
bond0            -                                 u/D
bond0.10         -                                 u/D

Is this was you expect? There was a miimon related bug which was fixed in 1.4 already and is pending for 1.3 (

c-po changed the task status from Open to Needs testing.Jul 12 2022, 5:08 AM
c-po triaged this task as Normal priority.