discontiguous subnets....

Unanswered Question
Mar 20th, 2007

I have a server that is dual homed - each nic is on its own subnet. nic1 is on 10.135.0.0/16 and nic2 is on 20.40.0.0/16. problem is, on the other side of the 20.40 nework is another 10.135 network that is discontiguous from the 10.135 net off nic1. i need to send traffic to both subnets, but the server (windows 2k3) always uses the default gateway of nic1 to send to 10.135, even if the traffic is sourced from the 10.135 off nic2. this has to do with the way the routing tables are created in windows. so i tried to get around this by using no DG's on my server and use persistent static summary routes instead, but then i just end up with two static routes pointing to 10.135, and the server still prefers one over the other. here's what i want to accomplish: i want the server to accept traffic from both 10.135 subnets but have the intelligence to know which is the correct interface to send back out of. both nics are conected to different cisco 2950s. any thoughts on this would be helpful as i've been spinning my head on this one for a day now.

thanks!

Matt

I have this problem too.
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rais Tue, 03/20/2007 - 06:16

You need to define more specific ( > /16) routes in your server for the 10.135 network behind 20.40 network.

Hope that helps.

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