热备份路由选择协议ks.doc

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1、HSRP（两朵云都代表外网，用了三个vlan）C2Cl192.168.1.88192.168.2.88192.168.3.88虚拟路由器R1:envlandatabasevlan10vlan20vlan30exitconftinterfacerangefO/0-3switchporttrunkencapsulationdotlqswmtintvlan10ipadd192.168.1.1255.255.255.0noshstandby10priority200（vlan10的接口优先级为200,取值范围是0-255,默认

2、值是100）standby10ip192.168.1.88（虚拟路由器的vlan10的ip地址）standbypreempt（配置了这个命令后，优先级高的端口将变成活跃状态）standby10trackfO/1560（端口跟踪,现在跟踪的是f0/15,如果它的状态变为down,它的优先级别将会减60,其他路由器就接替其成为活跃路由器）exitintvlan20ipadd192.168.2.1255.255.255.0noshstandby20priority150（值越小，优先级越小）standby20ip192.16

3、8.2.88standby20preemptexitintvlan30ipadd192.168.3.1255.255.255.0noshstandby30priority200standby30ip192.168.3.88standbypreemptstandby30trackfO/1560exitintfO/15noswipadd192.168.4.1255.255.255.0noshendR2:envlandatabasevlan10vlan20vlan30exitconftinterfacerangefO/t）-

4、3switchporttrunkencapsulationdotlqswmtintvlan10ipadd192.168.1.2255.255.255.0noshstandby10priority150standby10ip192.168.1.88standby10preemptexitintvlan20ipadd192.168.2.2255.255.255.0noshstandby20priority200standby20ip192.168.2.88standby20preemptstandby20trackfO/1

5、560exitintvlan30ipadd192.1683.2255.255.255.0noshstandby30priority150standby30ip192.168.3.88standby30preemptexitintfO/15noswipadd192.168.4.2255.255.255.0noshendR3:envlandatabasevlan10vlan20vlan30exitconftintrangefOQ-2switchporttrunkencapsulationdotlqswmtEndR4:env

6、landatabasevlan10vlan20vlan30exitconftintrangefO/0-3switchporttrunkencapsulationdotlqswmtEndR5:envlandatabasevlan10vlan20vlan30exitconftintrangefOQ-2switchporttrunkencapsulationdotlqswmtend元成效果：杳看的命令：showstandby(只能在R1和R2上查看)R1：(可以看到vlanlO是Active,vlan20是Standby,v

7、lan30是Active)Rl#showstandbyVlanlO-Group10St&teisActive2statechanges^laststatechange00：05：16VirtualIPaddressis192.168.I.88ActivevirtualMACaddressis0000^0c07^ac0aLocalvirtualMACaddressis0000^0c07^ac0a

8、eemptiondisabledActiverouterislocalStandbymougris192♦168♦1^2^priority150(expiresin7.888sec)Priority200(configured200>TrackinterfaceFastEthernetO/15stateUpdecrement60I