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ID:46807623
大小:95.51 KB
页数:5页
时间:2019-11-28
《在路由器上配置Track,实现静态路由器的冗余》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、在路由器上配置Track,实现静态路由器的冗余一、本文目的 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 IPSLA:IP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:unzip-c3725-adventerprisek9-mz.124-15.T5.bin 四、网络拓扑 五、环境要求 ①.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
2、的链路 ②.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 R1: track1rtr1reachability//跟踪路由可靠性 track2rtr2reachability interfaceLoopback1 ipaddress10.80.1.1255.255.255.0 interfaceLoopback2 ipaddress10.80.2.1255.255.255. interfaceFastEthernet0/0 ipaddress172
3、.20.0.17255.255.255.252 interfaceFastEthernet0/1 ipaddress172.20.0.29255.255.255.252 iproute10.70.1.0255.255.255.0172.20.0.18track1//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 iproute10.70.2.0255.255.255.0172.20.0.30track2 iproute10.70.1.0255.255.255.0172
4、.20.0.3010//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 iproute10.70.2.0255.255.255.0172.20.0.1810 ipsla1//配置SLA,根据icmp来判断链路是否可靠 icmp-echo172.20.0.18source-ip172.20.0.17 ipslaschedule1lifeforeverstart-timenow//配置schedule,是SLA立即生效,有效期为永远 ipsla2 icmp-echo172.2
5、0.0.30source-interfaceFastEthernet0/1 ipslaschedule2lifeforeverstart-timenowR2: track1rtr1reachability track2rtr2reachability interfaceLoopback1 ipaddress10.70.1.1255.255.255.0 interfaceLoopback2 ipaddress10.70.2.1255.255.255.0 interfaceFastEthernet0/0 i
6、paddress172.20.0.18255.255.255.252 interfaceFastEthernet0/1 ipaddress172.20.0.30255.255.255.252 iproute10.80.1.0255.255.255.0172.20.0.17track1 iproute10.80.2.0255.255.255.0172.20.0.29track2 iproute10.80.1.0255.255.255.0172.20.0.2910 iproute10.80.2.0255.255.
7、255.0172.20.0.1710 ipsla1 icmp-echo172.20.0.17source-ip172.20.0.18 ipslaschedule1lifeforeverstart-timenow ipsla2 icmp-echo172.20.0.29source-interfaceFastEthernet0/1 ipslaschedule2lifeforeverstart-timenow 七、验证 R2#shotrackbrief TrackObjectParameterValueLas
8、tChange 1rtr1reachabilityUp00:00:37 2rtr2reachabilityUp01:10:57 R2#shotrack Track1 ResponseTimeReporter1reachability ReachabilityisUp 8changes,lastchang
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