[root@localhost mnt]# w

?02:04:32 up? 7:00,? 2 users,? load average: 0.00, 0.00, 0.00

USER? ? ?TTY? ? ? FROM? ? ? ? ? ? ? LOGIN@? ?IDLE? ?JCPU? ?PCPU WHAT

root? ? ?tty1? ? ?-? ? ? ? ? ? ? ? 19:07? ? 6:18m? 0.26s? 0.26s -bash

root? ? ?pts/0? ? 192.168.0.121? ? 01:36? ? 0.00s? 0.22s? 0.11s w

[root@localhost mnt]# ifconfig

eth0? ? ? Link encap:Ethernet? HWaddr 00:0C:29:9E:BE:DE??

? ? ? ? ? inet addr:192.168.0.130? Bcast:192.168.0.255? Mask:255.255.255.0

? ? ? ? ? inet6 addr: fe80::20c:29ff:fe9e:bede/64 Scope:Link

? ? ? ? ? UP BROADCAST RUNNING MULTICAST? MTU:1500? Metric:1

? ? ? ? ? RX packets:12560 errors:0 dropped:0 overruns:0 frame:0

? ? ? ? ? TX packets:3543 errors:0 dropped:0 overruns:0 carrier:0

? ? ? ? ? collisions:0 txqueuelen:1000?

? ? ? ? ? RX bytes:1104561 (1.0 MiB)? TX bytes:423198 (413.2 KiB)

? ? ? ? ? Interrupt:19 Base address:0x2000?

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:65536? 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:0?

? ? ? ? ? RX bytes:0 (0.0 b)? TX bytes:0 (0.0 b)

[root@localhost mnt]#?

如上圖，我本機的ip為192.168.0.121，為什么鏈接用的是192.168.0.130，

且192.168.0.130這個ip是用dhclient命令獲取的。