在路由器上配置Track,实现静态路由器的冗余

在路由器上配置Track实现静态路由器的冗余一本文目的httpciscochinaitlabcomList6html静态路由Track实现路由的冗余切换二技术简介静态路由管理员手工填写管理距离为1或0静态路由下一跳为接口的情况下Track追踪技术httpsofttestchinaitlabcomIPSLAIP服务等级通过该技术测试网络连通性三实验环境模拟器GNS3路由器unzipc3725adventerprisek9mz12415T5bin四网络拓扑wKiom1LLzY7ylbcsAAA1iuTnIZw305jpg五环境要求在路由器访问对端lo1接口默认走上面的链路当上面的链路出问题时切换到下面的链路在路由器访问对端lo2接口默认走下面的链路当下面的链路出问题时切换到上面的链路六网络配置R1track1rtr1reachability跟踪路由可靠性track2rtr2reachabilityinterfaceLoopback1ipaddress1080112552552550interfaceLoopback2ipaddress108021255255255interfaceFastEthernet00ipaddress17220017255255255252interfaceFastEthernet01ipaddress17220029255255255252iproute107010255255255017220018track1在此路由后面跟track如果trackdown了此路由失效因为路由器会选择备份的路由iproute107020255255255017220030track2iproute10701025525525501722003010配置管理距离为10使该路由作为备份路由当track的主路由失败后则选择这个路由iproute10702025525525501722001810ipsla1配置SLA根据icmp来判断链路是否可靠icmpecho17220018sourceip17220017ipslaschedule1lifeforeverstarttimenow配置schedule是SLA立即生效有效期为永远ipsla2icmpecho17220030sourceinterfaceFastEthernet01ipslaschedule2lifeforeverstarttimenowR2track1rtr1reachabilitytrack2rtr2reachabilityinterfaceLoopback1ipaddress1070112552552550interfaceLoopback2ipaddress1070212552552550interfaceFastEthernet00ipaddress17220018255255255252interfaceFastEthernet01ipaddress17220030255255255252iproute108010255255255017220017track1iproute108020255255255017220029track2iproute10801025525525501722002910iproute10802025525525501722001710ipsla1icmpecho17220017sourceip17220018ipslaschedule1lifeforeverstarttimenowipsla2icmpecho17220029sourceinterfaceFastEthernet01ipslaschedule2lifeforeverstarttimenow七验证R2shotrackbriefTrackObjectParameterValueLastChange1rtr1reachabilityUp0000372rtr2reachabilityUp011057R2shotrackTrack1ResponseTimeReporter1reachabilityReachabilityisUp8changeslastchange000158LatestoperationreturncodeOKLatestRTTmillisecs32TrackedbySTATICIPROUTING0Track2ResponseTimeReporter2reachabilityReachabilityisUp8changeslastchange011218LatestoperationreturncodeOKLatestRTTmillisecs20TrackedbySTATICIPROUTING0httpsofttestchinaitlabcom可以在R1在配置denyACL测试具体操作不在表述测试结果如下wKiom1LLzKPS5mQRAAConK1bXQ946jpg