A client of mine has an e-smith gateway running the 2.2.16-22 kernel and is trying to VPN using PPTP to a remote host on the net from behind the e-smith gateway.
It currently isn't working. I've had a look and have loaded the two modules ip_pptp_masq.o and ip_GRE.o and checked the firewall with no success. Removed the firewall altogether and added only a MASQ entry with default policy of accept with no success. The one thing I have noticed is the ip_GRE.o module remains unused during these attempts in the kernel.
Any help appreaciated.