1) I am using Mandrake 9.2,

2) Ever thing was working fine, but when i changes the network conf. for a
while, used it for 1 day, and then when i tried get back to previous ip. then i
was unable to ping in LAN.

3) I have only one LAN card associated with my computer, but in control center
it show if eth0, eth1,

4) and when i ifconfig then also it shows me to configuration for eth0, eth1.

5) and when i set the ip address through control center and click on ok and then
again click network setting in control center to check whether the lan card ip
set is set or not. but it shows no ip set and state is down.

6) How can i remove the one ip setting as it shows me two eth0 and
eth1...where i have only one lan card installed....

If more info or clarity in any thing is req. then it can provided on request.


-jack

bump.........

Only one LAN card is installed , but ifconfig show two cards,

and when i run network confg. wizard it show me two NIC , one as eth0 (fealnx driver) and another as eth1(8139oo)

So, why it is showing 2 lan card instead of 1.


-jack

Try this:

ifconfig eth0 192.168.0.5 netmask 255.255.255.0
substitute your ip

ifup eth0

I don't know where Mandrake keeps it's interface files. Maybe someone else does.

Thankx,
It was gateway problem, becz i changes some ip and came to its previous stage now.

Now, the problem is can use internet on this system (on which ping is the issue) , but when i ping on local LAN through this m/c i sended 450packets and receives only 1 packets (that 1% received , 99% packet loss) .What could be reason A bad wire or something else

But when i ping this system from other system on LAN then the sucess rate is100%.


-jack

It sounds like a configuration issue, not a wire. When you do ifconfig -a, what is the output? And the same for netstat -i.

Issue resolved, firewall is blocking trafic from this system.


but new issue is that whenever i boot my system eth0 fails and i have manually run

#ifup eth0

How to make eth0 up permanetly while booting the system itself!


-jack


For reference
============
#cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
IPADDR=192.168.1.2
NETMASK=255.255.255.0
NETWORK=192.168.1.0
BROADCAST=192.168.1.255
ONBOOT=yes

Put the command in you rc.local file.

i tried by putting like that

ifup eth0

but it doesn't worked, so how to upt in rc.local file or anyother idea to do that.



-jack

find / -name "rc.local"

When it finds the file (as root)

kwrite /path_to_file/rc.local

and add
ifup eth0
to the end of the file

@darthtux

it didn't worked, it puted ifup eth0 in rc.local at the end.
So, any other idea to do that. Earlier it starts automatically without any problem.


-jack