Bill Marquette wrote:
Any chance the em's are on a switch doing spanning tree?  Or that the
fxp port (on the master is set to port fast)?  Sounds like STP locking
out the em ports on the master to me.

Hit. Each firewall's em interface is connected to one switch per machine with two separate VLAN's. The switches are interconnected by a 'trunk'.

I guess the general problem here is two machines appear with one mac address at the same time on both switches, right? How can one solve that?

My 'level 3' knowledge is kind of rudimentary, only ...

Thanks,

--

 Stephan A. Rickauer

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