CheckPoint VPN fix for Dlink and Linksys SOHO Class Routers

Ok, I’ve run into this enough times now, that it is time to write it down once and for all so I can find it and refer to it quick in the future.
If you are trying to use a CheckPoint VPN client and you are behind a Dlink, Linksys or other SOHO Class router, you may have difficulties until you do the following:
Enable Port Forwarding turned on for 1723 and 47