Here's my setup.
2 Telus ADSL Connections at 2 seperate locations
Location 1 has a dsl modem and a TP-Link HL-R600VPN v4 (or whatever the latest is) Location 2 has an actiontec3200M and a TP-Link HL-R600VPN v1 (or maybe v2)
The actiontec router is setup in bridge mode.
The IpSec tunnel is there, file sharing works completely fine, however I cannot RDP from the computer in location 2 to the computer in location 1. The first time I try to connect, it gets as far as logging in and then hits a black screen and eventually times out. When I try to reconnect, I get an internal error on the RDP program.
When I first set this up, i was able to connect but once I disconnected and tried to connect again, the same thing would happen with the black screen and then internal errors with successive attempts. It seemed as if i rebooted computer from location 1, i could connect again one time. At another time, i tried again several hours later without rebooting and it worked one time but failed the next. However in the last couple of days, it does not work at all.
Here's some other things I've noticed.
From location 2, i can access both routers at both locations using their local addresses.
From location 1, i cannot access location 2's router. This may be that the router is just blocking outside access or a symptom of what's causing the RDP issue.
If i open up port 3389 on the PC at location 1 and connect through RDP from the computer at location 2 using the WAN ip, it works every time.
Also, I cant remote to the computer in location 2 from the computer in location 1 using the LAN