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Old 06-16-2004, 07:50 PM   #1
silence
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Registered: Jun 2004
Distribution: Red Hat 7.3
Posts: 11

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Why does my internet interface keep getting a gateway


I use a Red hat 7.3 system as a router with IPTABLES. It works awesome untill you reboot and for some strange reason it thinks it needs a gateway on the internal interface. And it makes it the same as the ip. 192.168.2.1

1. why is it putting it there?
2. how do I make it stop?

If I clear it and reboot again it works.

I am using the config utility in X to fix it. Is it not applying it right?
Any help is appreciated.
 
Old 06-17-2004, 03:18 AM   #2
chort
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Registered: Jul 2003
Location: Silicon Valley, USA
Distribution: OpenBSD 4.6, OS X 10.6.2, CentOS 4 & 5
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When you configured the NIC, it most have propagated the IP address to the gateway field. You should not configure any gateway at all for your internal NIC (obviously). If I remember right, the actual config files are buried some where in /etc/sysconfig/netinfo/ or netstart/ or something like that.

Poke around in /etc, you'll find it. One quick way to locate the offending file would be like this:
# grep -R '192.168.2.1' /etc/
The -R means "recursive" so it will search all the files and subdirectories of /etc for files that contain 192.168.2.1. When you find the one that lists that IP as a gateway, just remove that line from the file (or comment it out).
 
Old 06-18-2004, 11:34 AM   #3
silence
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Registered: Jun 2004
Distribution: Red Hat 7.3
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I think that is it. Thanx.
I found it in /etc/sysconfig/network
 
  


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