Here is the layout that I currently have:
VPN Server (Windows 2008) --> Cisco 876 --> Internet (dynamic ip address) --> Client (My home PC)
So I'm having trouble connecting to the vpn server from my home pc, it actually hangs on "Verifying username and password" and then it just drops because of the timeout.
I googled for the solution and all I could find was that I need to open port 1723 and allow GRE (protocol 47) through the Cisco router.
So I managed to forward port 1723 to the required server, but I can't seem to do that for the GRE.
So can somebody please give me step by step instructions on how to do this, and for that matter how to make the whole thing work.
Note that I'm very new to cisco routers and firewalls, so I'm still not familiar with most of the commands for the router.