RE: urgent help needed for network problem!

My apologies.  Command line option for grep is -r  (not -R)

What is the output of 
# cat /etc/network?

What is the IP of the gateway?

-----Original Message-----
From: [email protected] [mailto:[email protected]] 
Sent: Monday, November 04, 2002 4:23 PM
To: [email protected]
Subject: Re: urgent help needed for network problem!


Ttwo ifcfg-* files are as below:

# cat ifcfg-eth0
DEVICE="eth0"
BOOTPROTO="none"
IPADDR="128.252.85.129"
NETMASK="255.255.255.0"
ONBOOT="yes"
IPXNETNUM_802_2=""
IPXPRIMARY_802_2="no"
IPXACTIVE_802_2="no"
IPXNETNUM_802_3=""
IPXPRIMARY_802_3="no"
IPXACTIVE_802_3="no"
IPXNETNUM_ETHERII=""
IPXPRIMARY_ETHERII="no"
IPXACTIVE_ETHERII="no"
IPXNETNUM_SNAP=""
IPXPRIMARY_SNAP="no"
IPXACTIVE_SNAP="no"

[root@morpheus network-scripts]# cat ifcfg-lo
DEVICE=lo
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
# If you're having problems with gated making 127.0.0.0/8 a martian,
# you can change this to something else (255.255.255.255, for example)
BROADCAST=127.255.255.255
ONBOOT=yes
NAME=loopback
BOOTPROTO=none

There is no GTEWAYIP line.  But, linuxconf does show the default gateway
is 128.252.85.254.  What's wrong?

Also, this system does not have -R option for grep.  


On Mon, 4 Nov 2002 15:55:41 -0600 "Montz, James C. (James Tower)" wrote:

> Not only that, but check for any other config scripts in
> /etc/sysconfig/network-scripts/ifcfg-*
> 
> It may not be a bad idea to just do a quick check by using
> 
> Bash# grep -R <gateway IP> /etc/sysconfig/network-scripts/*
> 
> -----Original Message-----
> From: Taylor, ForrestX [mailto:[email protected]] 
> Sent: Monday, November 04, 2002 3:38 PM
> To: [email protected]
> Subject: Re: urgent help needed for network problem!
> 
> 
> [email protected] wrote:
> > Hi,
> > 
> > We have a RH6.2 server, which will be upgraded to 7.3 soon.  However,
> > currently it has a problem.  Our scholl's network office told me that
> > since yesterday, this machine takes over the IP address of our gateway,
> > and so bring the whole subnet down.  So, they have to cut the line for
> > this server.  They ask me to check the system configuration.  But, I
> > could not find anything wrong: the system log, security, message and
> > linuxconf.  
> > 
> > Does anybody know what could cause this problem -- taking over the
> > gateway IP?  Where should I check? 
> 
> Use ifconfig to check that you have the correct IP address for the 
> machine and the gateway.  Then check 
> /etc/sysconfig/network-scripts/ifcfg-eth0 and look at the IPADDR= and 
> GATEWAY= lines.
> 
> Forrest
> -- 
> 
> 
> 
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