How do i know whether my NIC works or not?

[arshad]

On Wed, 2009-12-30 at 14:44 +0100, Christian Schult wrote:
> Hello arshad,
> 

> I think you tested reaching http://192.168.1.1 with your webbrowser too,
> didn't you?
> 
> Your interface eth0 is now in the same network as your router (you've
> stated in a previous mail, maybe in another thread, that the router has
> 192.168.1.1). So he must be reachable now if he is up and running.
> 
> We have now:
> 
> 1 the NIC is known by your kernel as Realtec something, lspci showed the
>   device.
> 2 the NIC is set up now as eth0 with ip 192.168.1.42/255.255.255.0
> 3 the router has ip 192.168.1.1
> 4 ping 192.16.1.1 is routed through eth0 but the router is not reachable
>   for ping, i fear it not even does not respond to ping but is
>   completely unreachable
> 
> Are you sure the ruter has ip 192.168.1.1?
> 
> Please check the ethernet cable between your PC and the router, perhaps
> you can replace it with an other one.
> 
> 
> Christian
> 

yes, the router page was not reachable even through the browser,
the router cable is ok and i checked with another one too.
do you think,
i should format and see? (booting from live cd didn't work though)
or replace with a new router?

thank you very much