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Author Topic: problem with AT&T DSL 2701HG-B modem  (Read 6306 times)

thomaswatteyne

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problem with AT&T DSL 2701HG-B modem
« on: March 27, 2010, 11:22:20 PM »
Hi,

I'm using an IPv6 tunnel beautifully at work, but I'd like to do the same at home. The issue is that I am with AT&T DSL, using the 2701HG-B DSL modem/router, and I can not figure out what is going wrong.

I made sure that my IPv4 endpoint (the public IPv4 address of my router) is pingable, yet the computer I want to use to establish the tunnel is behind a NAT. It seems that the 2701HG-B does not forward protocol 41...

Anyone was able to establish a tunnel using a similar setting? Any recommendation is very welcome!
Thomas
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cholzhauer

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Re: problem with AT&T DSL 2701HG-B modem
« Reply #1 on: March 28, 2010, 07:25:58 AM »
well, if you want to host the tunnel on your computer, and your computer is behind a nat, you have to use the private ip address of your computer when setting up the tunnel.

does your router have a dmz function that you could place your computer in?
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jimb

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Re: problem with AT&T DSL 2701HG-B modem
« Reply #2 on: March 28, 2010, 05:32:31 PM »
Worse comes to worse, if your modem doesn't support protocol 41 forwarding at all, you could possibly put it into bridge mode and use a PC w/ linux or BSD or m0n0wall or pfsense as your router.  Or buy some standalone hardware router to use.
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