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{{Translation}} {{From|http://wiki.ubuntu.org.cn/Quick_HOWTO_:_Ap04_:_syslog_Configuration_and_Cisco_Devices}} {{Translator|lipeng}} {{Languages|Quick_HOWTO_:_Ap04_:_syslog_Configuration_and_Cisco_Devices}} == 简介 == 系统日志将设备local0~7保留用做从远程服务器和网络设施接收登录信息。路由器、交换机、防火墙和负载平衡设备每个都使用不同的设备来记录日志,它们每个都有自己的日志文件,这样可以便于排除故障。下面的例子将会教您怎样为每种设备设置不同的日志记录文件。 如果您有一个大的数据中心,可能您会按上述建议停止将所有记录写入/var/log/messages。在下面的所有网络设备配置文件例子中,我们会登录到上一章节已设置好的远程linux登录服务器192.168.1.100。 == Cisco 路由器 == 默认设置下,思科路由器使用默认设备local7将日志信息发送到它们的日志服务器。在此例子中不要设置此默认设备,记得设置路由器,使日志内容包含时间戳和loopback接口的源IP地址 service timestamps log datetime localtime no logging console no logging monitor logging 192.168.1.100 ==运行CATOS的Catalyst CAT系列交换机== 默认设置下,思科交换机也会通过设备local7将日志信息发送给它们的日志服务器。请不要改变该设置,这样路由器和交换机都会将日志写入同一文件 set logging server enable set logging server 192.168.1.100 set logging level all 5 set logging server severity 6 ==Cisco本地导向器 == 本地导向器利用syslog输出命令来设置它们的日志记录设备和严重度。设置值应按格式FF.SS(设施.严重度),使用表IV-1中的数字结构: ===Table IV-1 Syslog Facility and Severity Numbering Scheme for Local Directors=== <div align=center> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'> <tr style='page-break-inside:avoid'> <td valign=top style='border:inset #111111 1.0pt;background:green; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b><span style='color:white'>Facility</span></b></p> </td> <td valign=top style='border-top:inset #111111 1.0pt;border-left:none; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; background:green;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b><span style='color:white'>FF Value</span></b></p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal><b> </b></p> </td> <td valign=top style='border:inset #111111 1.0pt;border-left:none; background:green;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b><span style='color:white'>Severity</span></b></p> </td> <td valign=top style='border-top:inset #111111 1.0pt;border-left:none; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; background:green;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b><span style='color:white'>SS Value</span></b></p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local 0</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>16</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>System unusable</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>0</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>1</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>17</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Immediate action required</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>1</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>2</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>18</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Critical condition</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>2</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>3</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>19</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Error conditions</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>3</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>4</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>20</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Warning conditions</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>4</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>5</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>21</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Normal but significant conditions</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>5</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>6</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>22</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Informational messages</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>6</p> </td> </tr> <tr> <td valign=top style='border-top:none;border-left:inset #111111 1.0pt; border-bottom:inset #111111 1.0pt;border-right:solid #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'><b>local </b><b>7</b></p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>23</p> </td> <td valign=top style='border:none;border-right:inset #111111 1.0pt; padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal> </p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal>Debugging messages</p> </td> <td valign=top style='border-top:none;border-left:none;border-bottom:inset #111111 1.0pt; border-right:solid #111111 1.0pt;padding:7.5pt 7.5pt 7.5pt 7.5pt'> <p class=MsoNormal align=center style='text-align:center'>7</p> </td> </tr> </table> </div> 这个例子使用设备local4和表IV-1中的日志调试信息。 syslog output 20.7 no syslog console syslog host 192.168.1.100
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