My configuration is similar to the above - however, I'm trying to remove
the pipeline from hearing local area traffic.... I've got two NIC's in an
NT 4 box - one is hubbed with the LAN, the other with the router. I'm
trying to get the cards to route to each other when neccessary (IP packets
destined for out-of-LAN). So far, I can get the NT box to see both routes
- (to the LAN & to the router) - but I can't get the LAN to see past the NT
box. MS KB sez that for the packets to route, each NIC must be on a
different subnet. I've done that (I think) but it doesn't appear to work.
The NIC to the router is xxx.xxx.xxx.4, on the lower quarter of a
255.255.255.192 subnet. The NIC to the lan is xxx.xxx.xxx.126 - the second
quarter. Unfortunately, I'm not much of a wiz at subnetting - all I know
is that the first one I built for the WAN worked mysteriously....
This basically trying to build the same type of configuration you'd have on
a proxy server - two NIC's, one at the router, one at the LAN.