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Soldier needs help with point to point serial and DHCP config!

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DaJoshGuy1

Technical User
Joined
Dec 17, 2003
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1
Location
US
Hi everyone!

New to the forum, so go easy on me please ;). Basically I am a soldier serving in Iraq, trying to help my buddies out by hooking up a little commerical (non-military) internet in their barracks for morale purposes. I will explain my setup, and then my problem.

My internet connetion is coming from another router via cat5 cable into an ethernet port on my local router. I am then running a private network (using DHCP and NAT) off of a second ethernet interface on the same router. I configured a static route pointing all traffic out of the first ethernet port. I am currently running my computer off of this network (the one off the second ethernet interface), so I know that it is working fine. Here is where it gets tricky: I am then running a serial connection to another router located in the barracks. The serial interfaces are, of course, on a network of their own. This second router has an ethernet interface which also is running DHCP and NAT to provide to the users at that location. I have a static route in that router pointing all traffic out the serial connection. The problem is, I cant get out (to the internet) from that second router at all! I can ping across the serial connection, and even telnet from one router to the other just fine. But when I try to ping out into the world, I get response timed out. Further, when I set up an extended ping on the first router and tell it to ping from its serial interface, it doesnt work either! So guys, help me out...what am I doing wrong!? I have a feeling it is something really stupid...just a neglected static route or something. Any advice you have will be greatly appreciated though! Thanks!
 
You also need a static route on the first router pointing back to the second router's ethernet interface. You can also add a static route for the serial interface if you want to ping it but its not necessary otherwise.
 
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