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默认情况下日志消息不包括日期和时间戳。\r\n \r\nservice timestamps {debug | log } uptime\r\n \r\nservice timestamps {debug | log } datetime [mesc] [localtime] [show-timezone] [year]\r\n \r\ndebug 参数 在调试输出时包括时间戳\r\nlog 参数 在每种日志消息中添加一个时间戳\r\n \r\nuptime 在消息中包括路由器开机以来的时间\r\n0w2d: #SYS-5-CONFIG_I : Configured from console by console\r\n0w2d 开机后0周2天\r\n \r\ndatetime 显示准确的日期和时间 UTC 格式 标准格式 MM DD HH:MM:SS\r\n \r\ndatetime后面可以跟一些参数\r\n \r\nmesc 消息中包括毫秒信息\r\nlocaltime 显示基于本地配置的时区时间\r\nshow-timezone 输出包括时区名称\r\nyear 输出包括年份信息\r\n \r\n \r\nConnected to Dynamips VM \"default\" (ID 0, type c7200) - Console port \r\n使用Dynamips 测试\r\n\r\nr1#conf t\r\nEnter configuration commands, one per line. End with CNTL/Z.\r\n\r\nr1(config)#service timestamps ?\r\n debug Timestamp debug messages\r\n log Timestamp log messages\r\n <cr>\r\n \r\nr1(config)#service timestamps log ?\r\n datetime Timestamp with date and time\r\n uptime Timestamp with system uptime\r\n <cr>\r\n \r\nr1(config)#service timestamps log uptime 首先使用开机时间 uptime\r\n\r\nr1(config)#do show ip int br\r\nInterface IP-Address OK? Method Status Protocol\r\nFastEthernet0/0 192.168.100.2 YES NVRAM up up 产生一条消息用\r\nSerial1/0 unassigned YES NVRAM administratively down down \r\nSerial1/1 unassigned YES NVRAM administratively down down \r\nSerial1/2 unassigned YES NVRAM administratively down down \r\nSerial1/3 unassigned YES NVRAM administratively down down \r\nr1(config)#int fa 0/0\r\nr1(config-if)#shut\r\nr1(config-if)#\r\n00:02:58: %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to administratively down\r\n00:02:59: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to down\r\n \r\n00:02:58 开机时间 。 2 3 层改变为down\r\n\r\nr1(config-if)#exit\r\n\r\nr1(config)#service timestamps log datetime ?\r\n localtime Use local time zone for timestamps\r\n msec Include milliseconds in timestamp\r\n show-timezone Add time zone information to timestamp\r\n year Include year in timestamp\r\n <cr>\r\n\r\nr1(config)#service timestamps log datetime localtime msec show-timezone year \r\nr1(config)#int fa 0/0\r\nr1(config-if)#no shut\r\nr1(config-if)#\r\n*Sep 15 2007 08:18:13.923 UTC: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up\r\n*Sep 15 2007 08:18:14.923 UTC: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up\r\n \r\n2 3 层改变为up Sep 15 2007 08:18:13.923 UTC 7月 15日 8点 18分 13秒 923 毫秒 UTC时间\r\n\r\nr1(config)#service timestamps debug ?\r\n datetime Timestamp with date and time\r\n uptime Timestamp with system uptime\r\n <cr>\r\nr1(config)#service timestamps debug uptime \r\nr1(config)#do debug all\r\n \r\nThis may severely impact network performance. Continue? (yes/[no]): yes\r\nAll possible debugging has been turned on\r\nr1#\r\n00:07:09: IP routecache flags changed on Null0, \r\n added No CEF; now No CEF\r\n00:07:09: IP routecache flags changed on Null0, \r\n added No CEF; now No CEF\r\n00:07:10: CEF: background resolution thread state:\r\n00:07:10: Thread fast_thread: Empty\r\n00:07:10: Thread todothread: Empty\r\n00:07:10: Thread slow_thread: Emp\r\n\r\nr1#un all\r\nr1#conf t\r\nr1(config)#service timestamps debug datetime ?\r\n localtime Use local time zone for timestamps\r\n msec Include milliseconds in timestamp\r\n show-timezone Add time zone information to timestamp\r\n year Include year in timestamp\r\n <cr\r\n \r\nr1(config)#$estamps debug datetime localtime msec show-timezone year \r\nr1(config)#do debgug \r\nThis may severely impact network performance. Continue? (yes/[no]): yes\r\nAll possible debugging has been turned on\r\nr1#\r\n*Sep 15 2007 08:22:27.335 UTC: IP routecache flags changed on Null0, \r\n added No CEF; now No CEF\r\n*Sep 15 2007 08:22:27.339 UTC: IP routecache flags changed on Null0, \r\n added No CEF; now No CEF\r\n*Sep 15 2007 08:22:27.359 UTC: CEF: background resolution thread state:\r\n*Sep 15 2007 08:22:27.359 UTC: Thread fast_thread: Empty\r\n*Sep 15 2007 08:22:27.359 UTC: Thread todothread: Empty\r\n*Sep 15 2007 08:22:27.359 UTC: Thread slow_thread: Empty\r\n*Sep 15 2007 08:22:27.923 UTC: Local MobileIP: aging arp mobility cache entries\r\n*Sep 15 2007 08:22:27.927 UTC: IP-ST: if_list try 0\r\n*Sep 15 2007 08:22:27.927 UTC: IP-ST: gw_list total 0, try 0, completed list TRUE\r\n \r\n日志消息前面有个* 。日志消息一般是从三种字符的一种开始:空格 星号 句号\r\n \r\n空格 路由器的时钟被手动设置,或者和NTP时间服务器同步\r\n星号 路由器的时钟没有别设置,或者没有和NTP服务器同步\r\n句号 路由器的时钟被设置为同步,但和NTP服务器失去了联系 |
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