SW-MSK02-5001#sh mac-address-table interface fastEthernet 2/0/1
          Mac Address Table
-------------------------------------------
Vlan    Mac Address       Type        Ports
----    -----------       --------    -----
SW-MSK02-5001#

SW-MSK02-5001#sh interfaces fastEthernet 2/0/1                 
FastEthernet2/0/1 is up, line protocol is up (connected)
  Hardware is Fast Ethernet, address is 0023.347c.ee83 (bia 0023.347c.ee83)
  MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  Full-duplex, 100Mb/s, media type is 10/100BaseTX
  Media-type configured as  connector
  input flow-control is off, output flow-control is unsupported
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 05:35:30, output 00:00:35, output hang never
  Last clearing of "show interface" counters 00:11:12
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo
  Output queue: 0/40 (size/max)
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
     0 packets input, 0 bytes, 0 no buffer
     Received 0 broadcasts (0 multicasts)
     0 runts, 0 giants, 0 throttles
     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
     0 watchdog, 0 multicast, 0 pause input
     0 input packets with dribble condition detected
     79 packets output, 8708 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier, 0 PAUSE output
     0 output buffer failures, 0 output buffers swapped out
SW-MSK02-5001#

root@bt:~# ifconfig eth0
eth0      Link encap:Ethernet  HWaddr 00:22:15:22:f4:90
          inet addr:192.168.0.15  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1029 errors:0 dropped:0 overruns:0 carrier:6
          collisions:0 txqueuelen:1000
          RX bytes:532 (532.0 B)  TX bytes:43330 (43.3 KB)
          Memory:fbfc0000-fc000000

root@bt:~# ping 192.168.0.20
PING 192.168.0.20 (192.168.0.20) 56(84) bytes of data.
From 192.168.0.15 icmp_seq=1 Destination Host Unreachable
From 192.168.0.15 icmp_seq=2 Destination Host Unreachable
From 192.168.0.15 icmp_seq=3 Destination Host Unreachable
From 192.168.0.15 icmp_seq=4 Destination Host Unreachable
From 192.168.0.15 icmp_seq=5 Destination Host Unreachable
From 192.168.0.15 icmp_seq=6 Destination Host Unreachable
^C
--- 192.168.0.20 ping statistics ---
8 packets transmitted, 0 received, +6 errors, 100% packet loss, time 7020ms , pipe 3