>Has anyone ever set up IP tunneling as can explain the basics of how it >works - what ifconfig parameters mean etc. If you actually want tunnelling, read /usr/src/linux-2.0.27/drivers/net/README.tunnel or http://anchor.cs.binghamton.edu/~mobileip/LJ/index.html If you actually want a virtual secure network, try the VPN HowTo from your favourite Sunsite mirror. C.