[Techtalk] Networking - Kernel settings

coldfire rolick571 at duq.edu
Fri Jan 18 01:57:44 EST 2002

> 	I was adding a sound card to my router computer and had to re-enable
> my sound support in it.  (I wanted to use the router box to connect woth my
> stereo)  I downloaded a new kernel, because I just can't leave anything
> alone, I installed it.  Now, however I can't seem to connect my computers
> inside the firewall to the router computer.  The router computer seems to
> recognise the both cards for the router computer and the router computer is
> on the internet okay.  It's at http://jenn.ca (It's only a web mail
> thingee), and I can telnet into it, but nothing from the inside of the
> network.  I can telnet between PCs on the inside of the network (laptop to
> the desktop PC) do there aren't any problems there.
> 	The router computer is a P200 with 160MB ram, running Slackware 8.0,
> kernel 2.2.20, a 3C509 card for the external connection and a NE2000 PCI for
> the internal connection.  Does anyone have an suggestions where to look?

it may be an issue with the NE2000 drivers in the new kernel ... have you
saved a copy of your old kernel?  if you have, you should boot that kernel
again and see if the problem persists ... if it does, then it's definitely
kernel specific.

a real rough guess though, assuming it is kernel specific ... you
mentioned it's a PCI card .. make sure you're compiling the PCI NE2000 and
not the NE2000/NE1000 support.  the latter is for ISA only.

from there, just do things like ... bring up the NE2000 interface and try
to ping it from the local machine.  if all goes well, you should get
replies (provided the firewall permits this).  

otherwise, check for a link light .. perhaps run tcpdump on the interface
and see if it can see anything on the wire.  let us know how it goes.


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