Andy Bastien wrote: > > Failing a hardware solution, it would be an easy matter to run a > script on the Linux box that will probe the active line to see if it's > up. If it's not, do the routing commands to route through the backup > line. Rather than let one connection lay idle why not load balance between them? See the how-to from the Linux Router Project http://c0wz.steinkuehler.net/dox/monkeynoodle/LRP-Load-Balancing-HOWTO.txt