Symptom
Cat3850 stack logging onboard(OBFL) config disappear after switchover.
---------------------------------
BGL.T.19-3850-2#sh run | in onboard
hw-switch switch 1 logging onboard message
hw-switch switch 2 logging onboard message
hw-switch switch 3 logging onboard message
BGL.T.19-3850-2#
BGL.T.19-3850-2#
BGL.T.19-3850-2#sh switch
Switch/Stack Mac Address : 2834.a2fc.cf80 - Local Mac Address
Mac persistency wait time: Indefinite
H/W Current
Switch# Role Mac Address Priority Version State
-------------------------------------------------------------------------------------
*1 Active 2834.a2fc.cf80 14 V00 Ready
2 Member c07b.bc35.c500 15 V02 Ready
3 Standby c07b.bc94.c580 5 V02 Ready
BGL.T.19-3850-2#reload slot 1
Proceed with reload? [confirm]
BGL.T.19-3850-2#
BGL.T.19-3850-2 console is now available
Press RETURN to get started.
BGL.T.19-3850-2>
BGL.T.19-3850-2>en
BGL.T.19-3850-2#
BGL.T.19-3850-2#sh switch
Switch/Stack Mac Address : 2834.a2fc.cf80 - Foreign Mac Address
Mac persistency wait time: Indefinite
H/W Current
Switch# Role Mac Address Priority Version State
-------------------------------------------------------------------------------------
1 Member 0000.0000.0000 0 V00 Removed
2 Member c07b.bc35.c500 15 V02 Ready
*3 Active c07b.bc94.c580 5 V02 Ready
BGL.T.19-3850-2#
BGL.T.19-3850-2#
BGL.T.19-3850-2#sh run | in onboard
BGL.T.19-3850-2#
Conditions
looks like this issue not occur in 2 switches stack.
