>It's really quite a simple diagram in the basic case:
>
>	-----------+---------   net#1
>	           |A
>	         server
>	           |B
>	-----+-----+---------   net#2
>	     |
>	  default
>	     \
>	     \
>	  internet
>
>Because each server card is different I've been swapping the networks
>between the interfaces to see which works with which switch, etc., and
>swapping the interface addresses too of course.  When I do this the

	so you swap interface A and B back and forth on net#1 and net#2?
	then, announce default route from the default router to net #2,
	and let the server listen to it.  your problem will be gone
	(the primary source of your problem is that you have static default
	route configured onto your box!)

itojun