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本帖最后由 lllppp 于 2011-3-20 05:54 编辑
我的ISP提供的是dhcp分配的固定ip,N56U入手以后被不断的断线搞得烦不胜烦,仔细研究log才发现问题
我这ISP不知为何把DHCP的lease time设得很短,N56U处理DHCP重获IP的顺序非常低级,居然是先切断WAN端口的连接,等获取新IP以后再恢复连接,直接导致路由数据中断5到6秒,而事实上上级路由器根本不会卡着lease time断线
以下是一次dhcp重获ip的log,我剔除了一些不重要的信息,这整个过程中WAN连接是全断的
Mar 19 21:42:48 detectWAN: perform DHCP release
Mar 19 21:42:48 RT-N56U: udhcpc starts
Mar 19 21:42:48 dhcp client: deconfig: lease is lost
Mar 19 21:42:48 kernel: ip_table: set wan_name=eth3
Mar 19 21:42:48 WAN Connection: WAN was exceptionally disconnected.
Mar 19 21:42:49 detectWAN: perform DHCP renew
Mar 19 21:42:49 kernel: ip_table: set wan_name=eth3
Mar 19 21:42:50 RT-N56U: udhcpc starts
Mar 19 21:42:50 kernel: ip_table: set wan_name=eth3
Mar 19 21:42:50 WAN Connection: WAN was restored.
Mar 19 21:42:50 kernel: ip_table: set wan_name=eth3
Mar 19 21:42:50 kernel: ip_table: set wan_name=eth3
Mar 19 21:42:52 kernel: [K] track_flag=1, clean_flag=0, mm_flag=0, ipaddr=d565d7ce
Mar 19 21:42:52 RT-N56U: ntp starts
Mar 19 21:42:52 dhcp client: bound IP : 213.xxx.xxx.xxx from 213.xxx.xxx.xxx
Mar 19 21:42:52 kernel: [K] track_flag=1, clean_flag=0, mm_flag=0, ipaddr=d565d7ce
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