Re: no route for lo interface!!

["Gregory T. Norris" <haphazard@socket.net>]

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