Knowledgebase : Virtual private network (VPN)
     

7402x/7404x series VPN PPTP dial in from Windows PPTP client. Please make sure the remote LAN use a different range of IP address to the Billion Router's IP range. Billion Router (192.168.2.x) < dial in <- Windows PPTP client (212.168.1.x). The 74...
After you enabled the Firewall you also require to enter a rule to the Packet Filter List to unblock the GRE protocol. Then you must save the settings.
7800N Configure Onboard PPTP Cleint Dial Out First enable the PPTP first if it isn't enabled already. If it is enabled, then click on the PPTP Client left hand side column. Follow the instruction on the next picture. Configure the PPTP Client dia...
7800N PPTP Set Up Instructions (Server). It is important that in step 6 the start IP address you assign to the user dail in is outside the DHCP range. Then set up user account. Now, save the settings permenantly.
Attached is a short guide to help you setup your router using PPTP, with your VPN service provider
Site to site VPN using PPTP. Below is OFFICE A's PPTP configuration. Wan: 71.72.73.74 Lan: 192.168.1.x Once you added it will look somethiing like below picture, and you to tick the box to make it active ready for a dial in connection. S...