日 志 内 容
1  [Thu Jul 17 21:26:47 2008]: dhcpc send out a discover
2  [Thu Jul 17 21:26:49 2008]: DHCP client starts in if: wan
3  [Thu Jul 17 21:26:49 2008]: Firmware Version: T01-072
4  [Thu Jul 17 21:26:52 2008]: REQUESTING, DHCP request timed out
5  [Thu Jul 17 21:26:52 2008]: dhcpc send out a discover
6  [Thu Jul 17 21:26:56 2008]: restarting discovery 2
7  [Thu Jul 17 21:26:56 2008]: dhcpc send out a discover
8  [Thu Jul 17 21:27:04 2008]: restarting discovery 3
9  [Thu Jul 17 21:27:04 2008]: dhcpc Stop()
10  [Thu Jul 17 21:27:04 2008]: dhcpc Stop()
11  [Thu Jul 17 21:34:40 2008]: eth0 link up
12  [Thu Jul 17 21:34:41 2008]: DHCP client starts in if: wan
13  [Thu Jul 17 21:34:41 2008]: dhcpc send out a discover
14  [Thu Jul 17 21:34:41 2008]: dhcpc select first server
15  [Thu Jul 17 21:34:44 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
16  [Thu Jul 17 21:34:56 2008]: Renew()
17  [Thu Jul 17 21:34:58 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
18  [Thu Jul 17 21:35:00 2008]: Renew()
19  [Thu Jul 17 21:35:02 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
20  [Thu Jul 17 21:35:09 2008]: eth0 link down
21  [Thu Jul 17 21:35:09 2008]: dhcpc Stop()
22  [Thu Jul 17 21:35:09 2008]: dhcpc release
23  [Thu Jul 17 21:36:33 2008]: eth0 link up
24  [Thu Jul 17 21:36:34 2008]: DHCP client starts in if: wan
25  [Thu Jul 17 21:36:34 2008]: dhcpc send out a discover
26  [Thu Jul 17 21:36:34 2008]: dhcpc select first server
27  [Thu Jul 17 21:36:37 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
28  [Thu Jul 17 21:36:48 2008]: Renew()
29  [Thu Jul 17 21:36:50 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
30  [Thu Jul 17 21:37:08 2008]: Renew()
31  [Thu Jul 17 21:37:10 2008]: dhcpc: wan UP! (IP: 192.168.1.2)
32  [Thu Jul 17 21:37:28 2008]: Renew()
33  [Thu Jul 17 21:37:30 2008]: dhcpc: wan UP! (IP: 192.168.1.2)

回答：

看似应该是路由器的wan口配置了IP自动获取，
dhcpc: wan UP! (IP: 192.168.1.2)
dhcpc是DHCP客户端；wan UP，wan端口状态连线；
IP: 192.168.1.2，应该是wan口获得了IP地址为192.168.1.2

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