How do i know whether my NIC works or not?

[arshad]

On Wed, 2009-12-30 at 13:01 +0100, Christian Schult wrote:
> Hello arshad,
> 

> 
> Well, no dhcp server answered. Maybe because dhcp is turned off in your
> router config. We'll give your eth0 interface a fixed setup without dhcp.
> 
> Edit /etc/networking/interfaces as root.
> Comment out the lines belonging to eth0 (those lines i gave you in my
> previous mail).
> 
> Take care that empty lines segregate each interface setup from the others.
> 
> Add this to /etc/networking/interfaces
> 
> iface eth0 inet static
>     address 192.168.1.42
>     netmask 255.255.255.0
>     network 192.168.1.0
>     broadcast 192.168.1.255
> 
> 
> Your /etc/network/interfaces now looks like this:
> 
> $ cat /etc/network/interfaces
> 
> auto lo
> iface lo inet loopback
> 
> #auto eth0
> #iface eth0 inet dhcp
> 
> iface eth0 inet static
>     address 192.168.1.42
>     netmask 255.255.255.0
>     network 192.168.1.0
>     broadcast 192.168.1.255
> 
> After you saved that file, again do
> 
> $ sudo ifdown eth0
> $ sudo ifup eth0
> 
> Can you point your webbrowser to http://192.168.1.1 now?
> Can you ping your router:
> 
> $ ping 192.168.1.1
> 
> Can you access internet now? Send us the output of /sbin/ifconfig again.
> 
> 
> Christian
> 

Hi Christian,
this time no errors when upping the eth0
but still cannot ping:

$ sudo ifdown eth0
arshad at arshad-desktop:~$ sudo ifup eth0
arshad at arshad-desktop:~$ ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
>From 192.168.1.42 icmp_seq=2 Destination Host Unreachable
>From 192.168.1.42 icmp_seq=3 Destination Host Unreachable
>From 192.168.1.42 icmp_seq=4 Destination Host Unreachable
>From 192.168.1.42 icmp_seq=5 Destination Host Unreachable
>From 192.168.1.42 icmp_seq=6 Destination Host Unreachable
>From 192.168.1.42 icmp_seq=7 Destination Host Unreachable


thank you very much