Question about Trendware 54Mbps 802.11g Wireless AP

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Can't connect to AT&T VPN

Hi,

I'm trying to connect to my office VPN using "AT&T Global Network Client" and I'm getting below error:
The connection timed out waiting for the VPN server to respond. This can occur if your computer is behind a firewall that does not permit UDP or IPSec traffic. Contact your local network administrator for assistance. (229)

I'm connecting my Laptop to the Router which is connected to the comcast cable modem. When I connect my laptop directly to the cable modem I am able to get the VPN connection, so, obviously my Router is blocking some traffic.

I've tried opening up all kinds of ports and protocols but it just won't work.

I would really appreciate if any one can shed some light on this for me.

Posted by on

  • lombuch Mar 04, 2008

    I'm using TrendNet TEW-452BRP Router. I've browsed every single option on the admin page but couldn't find any such options.

    If you could point me in the right direction, that will be great.

  • joenges8 Jul 15, 2008

    Hi,

    I have the same problem, same error msg. I am using the Alcatel speedtouch 570 router. Can you kindly advise ?



    Thanks,

    Joseph

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I'll need to know what router you're using, make and model, for more specific help, but sometimes there is an option for IPSec passthrough. For example, on my Linksys Wireless Router WRT54G, there is a set of buttons under Security/VPN that are entitled IPSec Passthrough, PPTP Passthrough, and L2TP Passthrough. Since I don't know what router you're using, I can't tell you wether or not your router supports such functions or not, but if it does, you need to enable them.

Posted on Mar 04, 2008

  • Michael Ansnes
    Michael Ansnes Mar 05, 2008

    Couple suggestions... first, you can try putting the machine that is trying to establish the VPN in the DMZ. This will disable the router's built-in firewall so you should consider a host-based firewall on the machine.



    Second, when I was checking out the support site at TrendNet, I found a solution to another problem that might work here. It suggested that there might be another router on your network. Check the WAN IP address and see if it is in a private range (192.168.x.x, 172.16.x.x, or 10.x.x.x); if it is, set the LAN IP on the router to be in the same subnet.



    Third, depending on the router version (C, B, or A), I found that there is an IPSec radio button on the Management tab of the web interface. You might try that.

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