Hello folks, need some help here. After upgrading from 6.0.8 --> 6.1.0 --> 6.1.2, the WAN interface of the upgraded device, part of an HA-Pair in active-passive mode, does not register its MAC address with an upstream directly connected L2 switch. If I fail back over to the non-upgraded device, passing of traffic resumes as normal and the WAN interface is registered in the mac-address table of the switch. Fail back over to the upgraded device and the MAC address drops from the mac-address table. Roll back the upgraded device to the original software version (6.0.8) and everything works again in the HA pair. Has anyone experienced this and what was done to overcome this issue. Appreciate any input. -Norm
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