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Interface removed from bridge on setting change
Closed, ResolvedPublicBUG


When you have a bridge with two interfaces in my case it was an openvpn layer 2 tunnel and a vif vlan interface (like ethX.10).

Then when we edit the configuration from the parent interface (ethX) like by adding a new vlan (ethX.11) the ethX.10 gets removed from the bridge.


Difficulty level
Unknown (require assessment)
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Event Timeline

Viacheslav changed the task status from Open to Confirmed.EditedOct 1 2020, 11:45 AM
Viacheslav added a subscriber: Viacheslav.

To reproduce

set interfaces ethernet eth1 vif 100
set interfaces bridge br1 member interface eth1.100

set interfaces ethernet eth1 vif 200

Interface/bridge status

vyos@r5-roll# run show int
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface        IP Address                        S/L  Description
---------        ----------                        ---  -----------
br1              -                                 A/D  
eth0                    u/u  
eth1             -                                 u/u  
eth1.100         -                                 u/u  
eth1.200         -                                 u/u  

vyos@r5-roll# sudo brctl show
bridge name	bridge id		STP enabled	interfaces
br1		8000.000000000000	no		
erkin renamed this task from Interface removed from BRIDGE on setting changed to Interface removed from bridge on setting change.Aug 29 2021, 12:47 PM
erkin set Issue type to Bug (incorrect behavior).
erkin removed a subscriber: Active contributors.