[Linux-disciples] Troubleshooting net problems

[Adam Kessel]

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On Mon, Sep 15, 2003 at 10:39:50PM -0400, Dylan Thurston wrote:
> On Mon, Sep 15, 2003 at 07:33:20PM -0700, karl sokol wrote:
> > I am having net problems.  Unfortunatly, I was not
> > able to find any pages on google that offered anything
> > like a flow-chart or something else useful for
> > diagnosing the problems for linux.  There are
> > thousands of hits for solutions to particular problems
> > that particular people have had, but nothing seemed to
> > work for me.  Does anyone know of any resources?
> /sbin/ifconfig to tell you whether your connection is up or not
> ping to test reachability
> mtr to see exactly where packets get lost

You'd also want to make sure you had the proper module loaded for your
network card; ultimately you can put this in /etc/modules, and use
modprobe <modulename> to load modules. tulip and 3c59x are two of the
more common network card modules.

Also: ifup and ifdown to bring the connection up and down.

You might also type 'dmesg' and see if you're getting any feedback.

Finally, you could try the Linux Networking HOWTO:

http://www.tldp.org/HOWTO/Net-HOWTO/

This probably has way more information than you need to solve your
problem, but is a good starting point.
--=20
Adam Kessel
http://bostoncoop.net/adam

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