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Re: [K12OSN] Different network configuration?


Run this on the server:

   lspci -n

That will show all of the pci devices detected.

The Class 0200 devices are the Ethernet interfaces.

Send us the output, and we can tell you what is being found
in your machine.

Also, try running:   lspci (without the -n)

it should show a description of each device found.

Jim McQuillan
jam Ltsp org

On Wed, 15 Oct 2003 joseph bishay utoronto ca wrote:

> Allo Allo!
> Well FINALLY the new server arrived. Thanks again to everyone who helped
> me with my questions regarding backups, etc.
> I dropped in the k12 CDs, installed the software, created my root, and
> logged in.
> So far, so good. Except I've got no network cards appearing in RedHat's
> network device control panel. Nothing. And this server has 2 network cards
> in it:
> a) Onboard 3COM (3C940 is the model I believe) gigabit NIC (ASUS p4p800
> motherboard)
> b) Realtek RTL-8139 EZ SMC 10/100 PCI card
> I actually have 2 questions: one I hope is straightforward, the other may
> not be.
> 1) the network in the school is setup so that we have a linux box acting
> as a gateway in the basement (connected to the high-speed modem).  It is
> configured as and will only accept connections from machines
> with IPs 192.168.1.xxx.  It also has a second network card in it for the
> rest of the building to access the internet, but will only accept
> connections from IPs 192.168.2.xxx with its own address as
> This was done several years back to make sure that the administration
> (principal, etc) computers couldn't be seen by the computer lab and
> vice-versa.
> We do not have that many computers, so there is no DHCP server running
> anywhere. Basically I use my feet and manually put in the network
> configuration.
> Now, how would I integrate the k12LTSP server into this setup. I
> understand that eth0 (which I would want to be the gigabit card) plugs
> into the switch in the lab.  But eth1 is expecting a DHCP machine to
> assign it IP, etc. which we don't have. I'd just like to assign eth1 an IP
> address that our gateway would recognize, and volia! We're up and running.
> but perhaps the problem relates to:
> 2) No networkcards are found. I've looked in proc/pci and it lists them
> correctly.  When I plug them into the switch, I only get an LED showing
> the connection is there and running at 100 MB for the realtek. I get
> nothing for the onboard NIC. Same with the LEDs on the computer - ok for
> PCI, nothing for onboard.
> This is rather strange since I know for a fact the realtek card works with
> this installation as I did a test run on another (old) machine with the
> same network card and it performs flawlessly. Can't do the same with the
> gigabit obviously, but now neither one is showing up.
> Not sure what to do,so if anyone has any pointers I can follow, would
> be most appreciated.
> BTW, during installation of K12ltsp (downloaded about 3 weeks ago) it
> never asked me for network configuration info (as shown on
> http://k12ltsp.org/install.html). Is that part of the problem,or a symptom
> of the lack of network cards.
> Thanks very much,
> Joseph
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