Help with network configuration
Michal Jaegermann
michal at ellpspace.math.ualberta.ca
Sat Apr 9 02:11:45 UTC 2005
On Sun, Apr 03, 2005 at 04:52:15PM -0700, Bob R. Taylor wrote:
> On Sat, 2005-04-02 at 20:50, Michal Jaegermann wrote:
> > OTOH you are missing a default route which means that you do not have a
> > gateway.
>
> I wound up deleting it. Could you give me the command to add a default
> route?
ip route (add|replace) default via ${GATEWAY} dev eth0
(in this case as you seem to have only eth0 and you need, of
course, to know what ${GATEWAY} is unless you communicate only
on LAN and which case your routing table is fine).
'man route' will show you another way.
> If I recall, 6.2 added this for me.
Unless something is seriously messed up 'service network start'
should have added a default route for here as well _provided_
you recorded in a configuration what your GATEWAY happens to be.
In any case if you to find out what happens on a device startup
and what information is really used look through /sbin/ifup script.
In particular
grep 'route.*default' /sbin/ifup
should show you how default routes are established.
> >
> > What for? Presumably you are on 192.168.0.0/24 network and
> > 'ping localhost' works too (through an internal connection).
>
> I'm comparing the output of route -n on my other computer running Red
> Hat 6.2.
A difference in a printout. A supeflous stuff is not shown nowadays.
> I must add a book on the
> subject to my library.
Look into /usr/share/doc/iproute-*/. There is likely there more than
enough. :-) A general information is available on http://www.tldp.org/
In particular http://www.tldp.org/guides.html and look for
"The Linux Network Administrator's Guide, Second Edition" if you
are that ambitious. :-)
Michal
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