Re: Gateway doesn't work.

["Kevin D. Colby" <kevin marcal com>]

>I'm rather new to Linux, and while I've done a lot of work on Unix boxes
>(mostly Solaris), I've never had to get my hands this dirty.  I've got a
>Linux box set up (4.0) on a small network that also hosts a few Windows
>machines.  I have a cable modem for access to the outside world.  
>
>My machines can see each other (so the network works), and the Windows
>machines can get out to the Internet (so the cable modem works), but the
>Linux machine can't get out.  It first became clear I had a problem when
>I tried to telnet in from one of the Windows machines.  It takes a long
>time to respond.  I suspect it was flailing on a reverse DNS lookup.  As
>it happens, no traffic in or out of the Linux box is getting through my
>cable modem.
>
>This seems like a simple problem, but I've been searching the lists for
>any help and haven't found any.  Everyone seems to be using PPP.  I can
>provide any config file information required to diagnose the problem-
>I'm not really sure what's relevant.

Is the cable-modem stand-alone?  I'd like to see what a traceroute
looks like from the linux box to an outside address.  Does it go to the
cable-modem?  If not, check the linux box's default route (see 'route')

        - Kevin Colby
          kevin marcal com