>> What exactly do you mean, PPP over USB? > Google "PPP over USB". I've googled, red 9fans archive, > wiki and docs before posting here.
In theory, your 3G data stick should export a serial device interface, and therefore usb/serial should map it to /dev/eiaUx/eiaUx (where x is a small integer). (See usb(4)). You would then run, e.g., 'ip/ppp -p /dev/eiaU0/eiaU0 ...' (see ppp(8)). --lyndon
