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Re: [K12OSN] can't access internet from LTSP server

Hi Arnel...Thanks.

I modified the files at the end of the k12ltsp installation page as you directed in your other email. I just changed everything that had 192.168.0 to 192.168.1. After reboot, I get the same error, which is "Could not connect to host www.kde.org (I was clicking on a KDE.org link.)

The win2k server is dialing my ISP.

I'm not sure of the proper command to set the default route.

Thanks for both of your responses and explanations.


From: "Arnel G. Pastrana" <arnelgp aiias edu>
Reply-To: k12osn redhat com
To: k12osn redhat com
Subject: Re: [K12OSN] can't access internet from LTSP server
Date: Wed, 03 Jul 2002 12:27:13 +0800


Let me share to you what my computerlab setup is.

I have k12ltsp server i am dialing up to my isp.
i configured /etc/squid/squid.conf
once this server is connected to the isp the rest of my diskless workstation
are connected to the internet
i make my ppp0 connection default route so that everybody connects to that
server can get internet connection.

My workstation is using only 1 ethernet card. once the server is connected ws
are conected too.

In your case since you have win2k internet server all you have to setup is in
your k12ltsp server put
eth0 to your ws and
eth1 internet connect it to win2k server and make this default route

is your win2k server using diialup to your isp?

pat ring wrote:

> I have a stumper that I can't seem to get answered. I suspect this is more
> of a two-NIC network question than a LTSP or K12LTSP question.
> I have been testing terminal services. I couldn't really get the actual
> LTSP working properly (something wrong with X on the client that I couldn't
> figure out,) so I downloaded and installed the K12LTSP version of Redhat7.2.
> It worked great right out of the box. My clients log right in and can
> utilize terminal services perfectly. However, on my normal installations of
> Redhat, I can assign a static IP to the linux PC and use my Win2K gateway to
> surf the internet. But when I install the LTSP'ized version with two NICs,
> I can ping the gateway, the gateway can ping the LTSP server, but I can't
> surf the internet. I think I've tried just about everything to try and use
> the gateway for internet access. If I can get the LTSP server on the
> internet via the gateway, then I believe the LTSP clients will fall into
> place, as well.
> Some details.
> My network "server" is actually a Win2k PC with internet connection sharing.

What is your internet connection of your win2k? are u using dialup or connected
to network?

> I use VNC to virtually connect to the gateway to open and close dial in
> connections to the internet. I have to use win2k because I need an
> "internet answering machine" to answer the phone when I am online and there
> is no linux support for this type of product (living in the sticks, as I do,
> also makes separate lines very much cost prohibitive for dial in access to
> the internet.)
> The terminal services PC has two NICs. ETH0 is attached to the terminal
> services clients via a 3com switch. ETH1 is attached via an additional
> switch to my network.
> I might have a problem with the way the subnets are setup:
> ETH0 is assigned by the K12LTSP default install to and serves
> the LTSP clients .100 to .253.
> ETH1 also gets its 192.168.0.x IP address either manually or through DHCP
> from the network. It doesn't matter if I manually assign the IP or let DHCP
> handle the IP asignment, but I have that if I let DHCP handle the
> assignment, I can't surf, so I just use This may be because
> the DHCP services via Windows Internet COnnection Sharing aren't really full
> My win2k gateway PC is and I always enter this address as the
> DNS server.
> I tried to manually change the LTSP subnet on ETH0 to, etc.,
> but I'm not sure this is the problem. Does the fact that the two subnets
> are using the same subnet scheme create the problem? I could see if the
> clients couldn't surf, then that may be the case, but the LTSP gateway can't
> surf.
> After about 30 installs, different configurations, etc., I'm not sure where
> to go further with this issue. Can I provide some conf files that might
> give you an idea of where I need to go? Is this DNS or a route problem?
> Can the same IP adress scheme be used because the subnets are on different
> NICs, or is this the problem? Can you push me in the right direction of
> where to get some help? I looked through the archives but I didn't see
> anything similar to this problem.
> Thanks for your help.
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