[K12OSN] Network problems w/4.1.0

Jim McQuillan jam at mcquil.com
Tue Aug 17 14:18:13 UTC 2004


Jim,

For IRC access, take a look at this doc:

    http://www.ltsp.org/irc.php


Jim.


On Tue, 2004-08-17 at 09:49, Jim Kronebusch wrote:
> > I suspect the problem is with the 2.6 kernel.
> > 
> > Anyway, rather than just trying cards and cables at random, 
> > lets take a more informed approach.
> > http://www.ltsp.org/irc.php
> > Unplug your internal LAN cable, and just leave the external 
> > lan cable plugged in.
> > 
> > Then, try this:
> > 
> >    mii-tools eth0
> > 
> > and see if it reports that the link is up or not.
> > 
> > Also, try:
> > 
> >    mii-tools eth1
> > 
> > See what it says.
> > 
> > Only one of those should report that a cable is plugged in.
> > 
> > This is how you can identify which nic is which.
> > 
> > So, now you can plug the right cable into the right nic.
> > 
> > Once you've got the right cable in the right nic, now you can 
> > make sure that the IP addresses are getting assigned the way 
> > you expect.
> > 
> > Let's say eth1 is supposed to be the external nic.  Is it 
> > using dhcp to get an address ?  Or, are you assigning a 
> > static IP address.
> > 
> > What about the default route ?  Is that being set properly 
> > (either statically or via dhcp).
> > 
> > Show us what the output of 'netstat -rn' shows.
> > 
> > At this point, you should at least be able to ping the router.
> > 
> > Back to eth0, is the interface getting set with the correct 
> > IP address ? If so, try booting a thin client from it, and 
> > see what happens.
> > 
> > Try running:   tcpdump -i eth0
> > and see if you see any traffic when booting.
> > 
> > Also, try popping into the #ltsp IRC channel on 
> > irc.freenode.net, and we can work with you interactively.
> 
> Thanks Jim,
>     I will try your suggestions.  Unfortunately some things have came up
> here again and I have to put this on hold for a couple of days.  I have
> seen the #ltsp IRC suggested in the past, but how do I join/use it?
> 
>     Also I have determined definitely which card is eth1 and which is
> eth0, since they are both different brand cards right now I just checked
> the network properties in the gui to see which card had which settings.
> The LNE100TX is set for 192.168.0.254 to offer DHCP to the internal
> network, and the Intel Pro100 is set to DHCP waiting for an IP from the
> external network (I have also tried static).  I have plugged each cable
> in individually and tested with ping.  Nothing I do gets me past the
> NIC's.
> 
>     But just shoot me info on how to get to #ltsp IRC and I will just
> jump on when I try my next attempts.
> 
> Jim Kronebusch
> Cotter Tech Department
> 507-453-5188
> jim at winonacotter.org 
> 
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.736 / Virus Database: 490 - Release Date: 8/9/2004
>  
> 
> 
> _______________________________________________
> K12OSN mailing list
> K12OSN at redhat.com
> https://www.redhat.com/mailman/listinfo/k12osn
> For more info see <http://www.k12os.org>





More information about the K12OSN mailing list