On Thu, Feb 25, 1999 at 12:55:19AM +0100, Ferenc Kiraly wrote: > Hi! > > I've just upgraded my kernel to 2.2.1. Now I cannot > add a route for the loopback interface: > > fire:~# route add -net 127.0.0.0 dev lo > SIOCADDRT: Invalid argument
The 2.2.x kernels require that you specify the netmask when you add a
route... 2.0.x would use a default value if it was not explicitly given.
Try replacing the above with:
route add -net 127.0.0.0 netmask 255.0.0.0 dev lo
