I had the same rouble reported last week
This is a copy of my trouble report message.
Hope it will help you:
--- Begin of copy ---
Linux 2.0.36 RedHat 5.2
Hello,
Reason of the problem I reported yesterday:
This is what /etc/sysconfig/network-scripts/ifcfg-lo
should feel like:
DEVICE=lo
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
BROADCAST=127.255.255.255
ONBOOT=yes
BOOTPROTO=none
After having used netcfg, I found:
DEVICE=lo
All the remainder lines were removed.
Do not ask me why as well as the environment.
This when having during network activation the following
error messages and lo device unconfigured:
ipcalc: ip address expected
ipcalc: ip address expected
ipcalc: ip address expected
netmask: unknown interface
netmask: Host name lookup failure
Have a nice week-end people
--- End of copy ---
Chuck Gadd wrote:
>
> Someone else made a few "minor" changes to a linux box, and now when it boots, the
> Loopback interface doesn't start. Attempts to ping any of the linux boxes IP
>addresses
> from the linux box fail.
>
> If I do an ifconfig, it only shows eth0 and eth1. If I do
> ifconfig lo 127.0.0.1
> and
> route add -net 127.0.0.0
>
> then all is well. Pings to all the linux boxes IP addresses work fine.
>
> What could cause the loopback route to go away?
>
> --
> Chuck Gadd
> Director of Software Development, Cyber FX Communications
> e-mail:[EMAIL PROTECTED] http://www.cfxc.com
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