eth0      Link encap:Ethernet  HWaddr 00:1e:37:18:f0:60 
          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)
          Base address:0x1840 Memory:fe200000-fe220000

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:5128 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5128 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:257740 (251.6 KB)  TX bytes:257740 (251.6 KB)

vmnet1    Link encap:Ethernet  HWaddr 00:50:56:c0:00:01 
          inet addr:172.16.58.1  Bcast:172.16.58.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:fec0:1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:65 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

vmnet8    Link encap:Ethernet  HWaddr 00:50:56:c0:00:08 
          inet addr:192.168.23.1  Bcast:192.168.23.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:fec0:8/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:83 errors:0 dropped:0 overruns:0 frame:0
          TX packets:74 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wlan0     Link encap:Ethernet  HWaddr 00:1d:e0:00:c1:c1 
          inet addr:192.168.1.2  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::21d:e0ff:fe00:c1c1/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12641 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13695 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:6410021 (6.1 MB)  TX bytes:1919237 (1.8 MB)

wmaster0  Link encap:UNSPEC  HWaddr 00-1D-E0-00-C1-C1-00-00-00-00-00-00-00-00-00-00 
          UP BROADCAST RUNNING 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)

firefox@kelen-laptop:~/Work$ ping www.sina.com
PING ara.sina.com.cn (58.63.236.44) 56(84) bytes of data.
64 bytes from www.sina.com (58.63.236.44): icmp_seq=1 ttl=57 time=22.7 ms
64 bytes from www.sina.com (58.63.236.44): icmp_seq=2 ttl=57 time=22.2 ms
64 bytes from www.sina.com (58.63.236.44): icmp_seq=3 ttl=57 time=22.0 ms
64 bytes from www.sina.com (58.63.236.44): icmp_seq=4 ttl=57 time=21.6 ms
64 bytes from www.sina.com (58.63.236.44): icmp_seq=5 ttl=57 time=22.9 ms
64 bytes from www.sina.com (58.63.236.44): icmp_seq=6 ttl=57 time=23.2 ms

--- ara.sina.com.cn ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 5004ms
rtt min/avg/max/mdev = 21.653/22.505/23.260/0.563 ms

firefox@kelen-laptop:~/Work$ ping 192.168.1.4
PING 192.168.1.4 (192.168.1.4) 56(84) bytes of data.
From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
From 192.168.1.2 icmp_seq=4 Destination Host Unreachable
From 192.168.1.2 icmp_seq=5 Destination Host Unreachable
From 192.168.1.2 icmp_seq=6 Destination Host Unreachable

--- 192.168.1.4 ping statistics ---
7 packets transmitted, 0 received, +6 errors, 100% packet loss, time 6032ms
, pipe 3