[ale] busted networking

[Mike Harrison]

> I've double checked patch cables even. I can connect to any machine on
> the LAN but nothing, even by IP, past the firewall. The no tcpdump
> data AT ALL at the host itself has me totally batty.
>
> Ideas?

Dumb idiot check I am sure you have:

   route add default gw  xxx.xxx.xxx.xxx

In fact, what does "route -n" show?
Is the default route correct and attached to the right nic?