I have a internet connection with Static IP ,I want to setup a VPN for my Personal use and my setup is given below.I followed the instructions for setting up a pptp Vpn from here
Intenet with static ip-->MODEM-->DDWRT Router-->System
In this setup i am using the DLINK ADSL Modem and in modem DHCP is enabled and my DDWRT router is getting the DHCP address as WAN IP.
When i tried to connect the Vpn form another network ,VPN connection failed error message comming. also port no 1723 forwarded in router