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    Devshed Regular (2000 - 2499 posts)

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    Two possible issues here:

    1. Does the ADSL router have a static route to network? If not, try adding that and see if that fixes it. If it doesn't, go to issue #2.

    2. If NAT isn't setup properly, then your "inside" hosts won't be able to get to the internet. If you think about how NAT works, it makes sense. For example, let's say you have two hosts to make it easy. Host 1 is and Host 2 is The Gateway address is Your server should have a route for All your clients will in turn send their traffic to their default gateway of When traffic arrives there, to a destination the server doesn't have a route for, it uses it's WAN IP to forward the traffic out;

    You can verify what routes the server is using either through RRAS or by running the command, "route print" from a command prompt.

    If the route exists, and is being used (i.e., has the lowest metric) then your issue is probably with NAT. When either of your clients sens data to the internet, it goes from to on your ADSL router, to your ISPs routers, and then to the internet. When the host out on the internet responds, it goes to your ISPs routers, then your ADSL router's address, which then shoots it to the address. This is where the problem happens. Your server doesn't know which client to forward the packet to from there because it's not utilizing a NAT table to keep track. Is it the 1.3 or 1.4 client?

    So basically the packet is most likely stopping at when it comes back FROM the internet host.

    Traffic is going from 1.3 or 1.4>>>your ISP>Internet Routers>Internet Host>Internet Routers>ISP>ADSL router>>stuck.

    edit: It's been a while since I've messed with routing and NAT so you might want to double check my IPs and such
    Last edited by seack79; April 29th, 2013 at 10:28 AM.
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