I have a 6509 with an active FWSM in slot 3 and failover (standby) in slot 4.
I noticed today that a message appeared in my switch log that the module in slot 3 was seemingly flapping between the port-channels on the backplane. Po307 should be the active FWSM and as far as I know, Po308 should be the failover/standby.
The message was
%MAC_MOVE-SP-4-NOTIF: Host 0016.c782.eb80 in vlan 307 is flapping between port po308 and po307
And a bunch of vlans are listed in this error, which represent the firewalled vlans on the FWSM.
When I check to see if there was a failover event on the FWSM, it does not indicate that there was.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...