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Advanced Routing Situation


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#1 bjamrok

bjamrok

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Posted 05 December 2011 - 10:40 AM

So here is the scenario. We have several mobile computer units which access 95% of their applications through a built in verizon cell modem. Half the units are XP, half Win 7. We want to allow the units which float between 3 office locations to access the office WIFI and get local network resources. We accomplished this successfully on the WIN7 boxes by adding static routes for our 3 office locations. Route -p add 10.0.1.0 mask 255.255.255.0 0.0.0.0 IF (# of the WIFI NIC) then repeated for 10.0.2.0 and 10.0.3.0 networks. This way the computer can roam into each office and get a DHCP address and it always sends the local network requests to the DHCP assigned gateway. (since the gateway is different at each office) Can I do this in XP with either the route command or some other software. When you use the command as above in WIN7 it adds the route and makes the gateway "on-link" but XP won't take that command, it wants me to give it a gateway which will not work if the unit travels to a different office. Any ideas out there?
Sincerely,

Brian

"Thanks to all of you who contribute to open source projects and communities!"

http://jamroktech.blogspot.com

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#2 bjamrok

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Posted 05 December 2011 - 06:58 PM

Im going to put some more info here hoping somebody has a suggestion. Offices are tied together via MPLS.

Office 1 10.0.1.0 255.255.255.0 Gateway 10.0.1.1
Office 2 10.0.2.0 255.255.255.0 Gateway 10.0.2.1
Office 3 10.0.3.0 255.255.255.0 Gateway 10.0.3.1

When I'm at office 1 I get IP from DHCP 10.0.1.40 255.255.255.0 Gateway 10.0.1.1 I can access anything on 10.0.1.0 but if I try to get to 10.0.2.0 or 3.0 it tries to go out the cellular connection because that is the computer's default gateway. If I add a static route of 10.0.2.0 and route it to 10.0.1.1 it works until I move to office 2 then the route still has a gateway of 10.0.1.1. I need to enter routes that just use the dynamically assigned default gateway. I just need to be able to point the route to the interface and let the DHCP hand the gateway.

Otherwise I'm willing to assign the wireless card 3 static IP's on the 3 subnets, but I still can't get the routes working that way either.

P.S. I can't just kill the cell card when in the office because one of our real-time apps only works via the cell card and that app would have to be closed each time. (There is absolutely no way for us to be functional and disconnect from the cell modem)
Sincerely,

Brian

"Thanks to all of you who contribute to open source projects and communities!"

http://jamroktech.blogspot.com




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