troubleshooting Question

Cant open ports on 2 wire Router

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IssomesmoFlag for United States of America asked on
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Hi,  I am trying to set up a VPN for a customer from his house to his home office.... He has a 2 wire wireless router/modem  with AT&T as his ISP.  He has a Netgear Firewall/VPN  (fvs318v3) attached to the 2 wire,  then on the wan side of the Netgear he has a XP desktop that needs the VPN connection. He also has the same Netgear VPN unit  at his office, I ran the vpn wizard on both of them but it will not connect.

I think the problem is that the 2 wire router is blocking all incoming ports. I Have put the netgear  in the DMZ and it still is not forwarding any outside requests, I was also trying RDP on port 3389. It will not work outside the LAN either.  I also tried remote management on the netgear, again nothing works  from outside the LAN. For the RDP and the Remote manger I set up port forwarding on the 2wire ( port 3389 and port 8080 to the static IP of the PC or the netgear) and it says settings successfully saved.  

The 2 wire has a LAN IP of  

The PC and the Netgear have a IP 192.168.192.XXX

Everything connects to the internet OK,  when I connect my laptop to the WIFI  I get the IP 192.168.1..XXX  I am able to RDP into the XP PC with the IP of 192.168.192.XXX
also the remote manager works from my laptop to the netgear as well, but again nothing works from outside the LAN .  

I have done a port scan from outside the network with MX tool box website and it shows all ports Closed!   I know for a fact I have the netgear IP in the DMZ and the XP PC IP opened on 3389.  It just seems like the port forwarding settings are not working on the 2wire.

I am going back in a day or 2 and am thinking of putting all the devices on the same sub-net (192.168.1.XXX)  Just to simplify things, all-though  I don't think that's the issue.   I am also going to reboot the   2wire to see if that helps.  

I wanted to replace the 2 wire but he said it is running all his phones and TVs as well, so it is not just a simple  modem.

If  anyone has any other ideas please let me know I wold really like to finish the job for my customer.  Thanks

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