MOD Quadra
From MOD Wiki
http://portalmod.com/products/quadra
How to add USB-network-bridge for use with a USB-USB cable.
ssh into the Quadra
copy /etc/udev/rules.d/90-bnep-up to /etc/rules.d/91-usb-up
edit /etc/rules.d/91-usb-up and change "bnep-up.sh" to "usb-up.sh"
copy /usr/bin/bnep-up.sh to /usr/bin/usb-up.sh
edit /usr/bin/usb-up.sh and change all references to IP "192.168.50.xx" for "192.168.51.xx" and all references to "bnep" to "usb0"