Hello Jason,

Jason Ackley wrote:

Stephan A. Rickauer wrote:

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?

 You may also want to make sure that the port is
 in STP 'portfast' mode or whatever your vendor calls
 it (basically, once there is a link, go right to the
 STP forwarding state, bypassing the Listen state to
 see if there are any loops).

That was it. I just had to find out how Dell calls that thing - turned out they refer to it as 'edge port'. However, switching the ports the firewalls are conntected to in an edge port fixed it. Takeover now takes place in literally no time.

Thanks a lot for your help!

--

 Stephan A. Rickauer

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