We've been given our own office on school to work on projects and we wanted to take advantage of the gigabit glass fibre network. Our office itself has a lan cable coming from the basement switch. Where is is split to our office(which is just outside the school but still connected to it) and to the building itself. The lan port we're using on our switch is connected to the router or switch behind it, im not certain since i didn't manage that. However, we still were unable to use any other websites other than https or any other port than 80. however, a VPN worked but for us rather expensive.
Luckely, my router at home(Which is only a few kilometers away) has a VPN function we can use from the outside so all the network will go trough my home. This router(An asus RT-n66u) was behind a combo modem/router from my ISP(it is a technicolor 7210). To use the router's VPN and FTP functionality i had to make sure the router would be doing all the work(DHCP, NAT ETC) so i asked my ISP to put the modem into bridge mode. Which i know has been done since only LAN1 works now. However, the router has still got an internal IP (192.168.178.1). I need the external on it. I tried to enable the DMZ function on my modem but this also does not work. because of this i can not use the functions i require.
My question is, How can i ensure the router will be able to acess the internet without any interference from the modem?
EDIT: he wireless router currently uses a private WAN IP address (192.168.x.x, 10.x.x.x, or 172.16.x.x). Please configure DDNS service before starting the VPN server. is the error when i try to enable the VPN function, i have enabled DDNS but i cannot connect from the outside and i have this error The wireless router currently uses a private WAN IP address. This router may be in the multiple-NAT environment and DDNS service cannot work in this environment. this proves that i have a double NAT envoirment
I have disabled DCHP on the modem and tried forcing the router into the public IP but to no avail.
Edited by marceltjeg, 10 February 2017 - 05:01 PM.