OK, here's a possibly odd situation. I have two GnatBox Flash units.
Here is the IP info I have setup on each:



GB1

-EXT: 63.xx.xx.1 255.255.255.0

-PSN: 10.0.0.1 255.255.255.0

-PRO: 192.168.0.1 255.255.255.0



GB2

-EXT: 12.xx.xx.254 255.255.255.0

-PSN: 10.0.0.254 255.255.255.0

-PRO: 192.168.0.254 255.255.255.0



The PSN interfaces on both GBs are attached to the same switch which is
also where my servers are at.

The PRO interfaces on both GBs are attached to the same switch which is
also where my workstations are at.

The EXT interfaces are attached to different switches, which are then
each attached to their own router. Each router has its own T1 with
different ISPs.



The biggest issue I'm getting is SPOOF warnings. These make sense
knowing how the GB works. For instance; My workstation uses GB1 as its
primary gateway. If I try to ping 10.0.0.254 I get no response, and
GB2's logs fill with spoof messages. This is understandable since the
traffic route is workstation-->GB1 Pro-->GB1 PSN-->GB2 PSN. Of course
then GB2 is seeing a source IP address that matches its own PRO NIC but
the traffic didn't come from there.



Sooo...how do I make this work? Do I want to make this work? Is it that
big of a deal?



Bonus question: What happens if GB2 directs public traffic to a server
that has GB1 as its default gateway? I assume the response traffic goes
out through GB1... Can this cause problems?





Chris

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