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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