Port Forwarding Question and Issues

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Sam Borton

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Dec 16, 2014
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Hello people of the Internet.

I am having some issues port-forwarding my network. (This is for Minecraft, if you were wondering)

Some back story: I have TWC as my ISP. I have port-forwarded before, but then I moved and things changed a bit, so I know its possible. I have an Arris modem, with a Lynksis router. I can access both.

My router's ip is 192.168.1.x, and my modem's ip is 192.168.0.x. I don't know the way to get the ports forwarded (port 25565) through both the router AND the modem. Do you only have to forward one? My computer has a static ip, 192.168.1.23, and it is forwarded on my router. The only problem is that my modem's ip is not the same. I just cannot seem to figure out how to set the ips in such a way that one doesn't cancel the other out and lose internet.

If anybody knows how to fix this, any help would be super appreciated! If you need more information, I can give it to you. I really need some help.

Thank you!
Sam.
 
Solution
Someone Somewhere
No, 192.168.1.1 is the internal IP of your Linksys router. You want it's external IP, which will be in the internal subnet of the Arris. Probably 192.168.0.2 or 192.168.0.100 or similar.

Virtual server might be closer to DMZ, but either is fine.
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Someone Somewhere

Someone Somewhere

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Sep 23, 2012
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It sounds like you've got double NAT - the Arris is likely a combined modem-router.

What you probably need to do is forward the ports from the Arris to the Linksys (find out the WAN IP of the Linksys; should be 192.168.0.x, then set that as the destination in the Arris's), then forward them from the linksys to your PC (destination 192.168.1.23 in the Linksys config).

Or you could set the Linksys to be just a wireless access point and use the Arris for all the routing.
 
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Sam Borton

Reputable
Dec 16, 2014
4
0
4,510



Someone Somewhere,

I've tried what you've said. Do you mean that I must port-forward my 192.168.1.1 (router's IP) on my modem (192.168.0.1)? (ie, add 192.168.1.1 to my port-forward list on my modem's config?) I tried to do this, but is says, "invalid ip address. invalid network address".

Another interesting bit, My modem, instead of having the port-forwarding option, is says virtual server. Is this the same/are they the same thing? Another site a saw said that they were.
 
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Sam Borton

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Dec 16, 2014
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4,510



Someone Somewhere,

This worked! Thank you very much. It turns out that it was 192.168.0.2. I really appreciate your quick replies and useful information. Thank you so much!

Sam out. I'm going to go play Minecraft.
 
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