Routing for multiple uplinks
Debian suits perfectly for use as a gateway for computers on your LAN. However once bandwidth usage grows it could be handy to just add another internet uplink to your gateway. Debian does not cater for this out of the box so this document describes how to setup your debian gateway for multiple uplinks.
The whole setup is based on the Linux Advanced Routing & Traffic Control HOWTO http://lartc.org/howto/
The most important and only package we need is `iproute`