can't ping localhost

[Roger]

On Wed, Mar 10, 2010 at 9:23 PM, Anton Shterenlikht <mexas at bristol.ac.uk> wrote:
> I misconfigured my system somehow,
> so now I can't ping localhost:
>
> # ping localhost
> PING localhost (127.0.0.1): 56 data bytes
> ping: sendto: No route to host
> ping: sendto: No route to host
> ^C
>
> # cat /etc/hosts
> # $FreeBSD: head/etc/hosts 109997 2003-01-28 21:29:23Z dbaker $
> #
> ::1                     localhost localhost.men.bris.ac.uk
> 127.0.0.1               localhost localhost.men.bris.ac.uk
>
> So far, can't find anything relevant
> on the net.
>
> Please advise
>
> many thanks
> anton

http://www.freebsd.org/doc/handbook/network-routing.html