How do i know whether my NIC works or not?

[arshad]

On Mon, 2009-12-28 at 12:24 +0100, Joep L. Blom wrote:
> arshad wrote:
> > On Mon, 2009-12-28 at 10:50 +0000, Steve wrote:
> 
> > 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> > RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
> > 
> > 
> 
> As you can see the ethernet controller is in you system and functioning.
> Post the output of ifconfig.
> Is your DHCP server located on the same network segment (show the IP 
> address of the DHCP server).
> Joep
> 
> 
> 
> 
$ ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:e0:4d:af:6e:4f  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:252 Base address:0x8000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2037 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2037 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1049382 (1.0 MB)  TX bytes:1049382 (1.0 MB)

ppp0      Link encap:Point-to-Point Protocol  
          inet addr:10.200.216.210  P-t-P:10.64.64.64
Mask:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:5205 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5124 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:3 
          RX bytes:4945403 (4.9 MB)  TX bytes:767624 (767.6 KB)

usb0      Link encap:Ethernet  HWaddr 02:80:37:14:03:00  
          inet6 addr: fe80::80:37ff:fe14:300/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

and i don't know how to find the dhcp server :( (very sorry)