Hola! 

Long time listener, first time poster. 

So I am looking for a bit of advice.

I have a customer in a rural area who is stuck on adsl with a telecom flashed huawei hg630b. I am currently partially through the install of a fortiwifi 50e. All of the previous fortiwifi units I have installed lately are either pppoe on fibre or I have been using bridge mode with the vdsl installs and all good. 

Anyhoo, I get to this site today and find its adsl! I also discover that bridge mode does not work with pppoa connections  - ie adsl. Next plan was to setup dhcp again on the hg630 on a different subnet from the internal LAN and connect the wan port of the fortwifi to the LAN of the hg630b. I put the IP handed out to the fortinets WAN port into the DMZ on the hg630b and had some success - I was able to connect and authenticate externally to the SSL vpn via browser, but no data was transferring - couldnt use the java rdp client etc - kept getting a connection closed error. Forticlient would not connect at all. 

Ive set up a few of these fortinet units lately with no issue so pretty sure the hg630 is the issue, The fortinet is in the dmz, I have disabled all port forwarding rules, turned off Nat and tr069 and disabled the firewall along with putting the fortinet in the dmz but no dice. 

I guess my questions are 

1. Has anyone done the above with either ipsec or ssl vpn with the hg630b on adsl 

2. Can anyone recommend an adsl router/modem for this setup. 

Cheers