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1、交换机 vrrp+mstp配置实例锐捷tac贾文宇一、 组网需求1、 switch a 、switch b选用两台锐捷的s5750 ；switch c 、shwich d 选用锐捷的 s3750和s37602、 全网共有两个业务vlan ,为 vlan 10 、vlan 203、 Switch a 、switch b 都分别对两vlan起用两vrrp组，实现两组的业务的负载分担和备份。4、 Switch a、switch b、switch c、switch d 都起用 mstp多生成数协议，并且所有设备都属于同一个mst域，且实例映射一致（vlan 10映射实例1、vlan 20映射实例2 其
2、他vlan映射默认实例0）。5、 Vlan 10业务以switch a为根桥； vlan 20业务以switch b为根桥；实现阻断网络环路，并能实现不同vlan数据流负载分担功能。二、 组网图三、 配置步骤Switch a配置：s1#show runBuilding configuration.Current configuration : 1651 bytes!version RGNOS 10.2.00(2), Release(29287)(Tue Dec 25 20:39:14 CST 2007 -ngcf49)hostname s1co-operate enable!vlan 1!vl
3、an 10!vlan 20!no service password-encryption!spanning-tree 开启生成树（默认为mstp）spanning-tree mst configuration 进入mst配置模式 revision 1 指定MST revision number 为1 name region1 指定mst配置名称 instance 0 vlan 1-9, 11-19, 21-4094 缺省情况下vlan都属于实例0 instance 1 vlan 10 手工指定vlan10属于实例1 instance 2 vlan 20 手工指定vlan20属于实例2spann
4、ing-tree mst 1 priority 0 指定实例1的优先级为0（为根桥）spanning-tree mst 2 priority 4096 指定实例2的优先级为4096interface GigabitEthernet 0/1 switchport access vlan 10 配置g0/1属于vlan10!interface GigabitEthernet 0/2 switchport access vlan 20 配置g0/2属于vlan 20!interface GigabitEthernet 0/3!.interface GigabitEthernet 0/24 设置g0/
5、24为trunk接口且允许vlan10/20通过 switchport mode trunk!interface VLAN 10 创建vlan 10 svi接口 ip address 192.168.10.1 255.255.255.0 配置ip地址 vrrp 1 priority 120 配置vrrp组1 优先级为120 vrrp 1 ip 192.168.10.254 配置vrrp组 1虚拟ip地址为 192.168.10.254!interface VLAN 20 创建vlan 20 svi接口 ip address 192.168.20.1 255.255.255.0 配置ip地址 v
6、rrp 2 ip 192.168.20.254 配置vrrp组 2虚拟ip地址为 192.168.20.254 默认vrrp组的优先级为100默认不显示!line con 0line vty 0 4 logins1#show vlanVLAN Name Status Ports- - - - 1 VLAN0001 STATIC Gi0/3, Gi0/4, Gi0/5, Gi0/6 Gi0/7, Gi0/8, Gi0/9, Gi0/10 Gi0/11, Gi0/12, Gi0/13, Gi0/14 Gi0/15, Gi0/16, Gi0/17, Gi0/18 Gi0/19, Gi0/20, Gi
7、0/21, Gi0/22 Gi0/23, Gi0/24 10 VLAN0010 STATIC Gi0/1, Gi0/24 20 VLAN0020 STATIC Gi0/2, Gi0/24Switch b配置：s2#show runBuilding configuration.Current configuration : 1607 bytes!version RGNOS 10.2.00(2), Release(27932)(Thu Dec 13 10:32:09 CST 2007 -ngcf31)hostname s2!vlan 1!vlan 10!vlan 20!no service pas
8、sword-encryption!spanning-treespanning-tree mst configuration revision 1 name region1 instance 0 vlan 1-9, 11-19, 21-4094 instance 1 vlan 10 instance 2 vlan 20spanning-tree mst 1 priority 4096spanning-tree mst 2 priority 0interface GigabitEthernet 0/1 switchport access vlan 10!interface GigabitEther
9、net 0/2 switchport access vlan 20!.interface GigabitEthernet 0/24 switchport mode trunk!interface VLAN 10 ip address 192.168.10.2 255.255.255.0 vrrp 1 ip 192.168.10.254!interface VLAN 20 ip address 192.168.20.2 255.255.255.0 vrrp 2 priority 120 vrrp 2 ip 192.168.20.254!line con 0line vty 0 4 login!e
10、nds2#show vlanVLAN Name Status Ports- - - - 1 VLAN0001 STATIC Gi0/3, Gi0/4, Gi0/5, Gi0/6 Gi0/7, Gi0/8, Gi0/9, Gi0/10 Gi0/11, Gi0/12, Gi0/13, Gi0/14 Gi0/15, Gi0/16, Gi0/17, Gi0/18 Gi0/19, Gi0/20, Gi0/21, Gi0/22 Gi0/23, Gi0/24 10 VLAN0010 STATIC Gi0/1, Gi0/24 20 VLAN0020 STATIC Gi0/2, Gi0/24Switch c配置
11、：s3#show runBuilding configuration.Current configuration : 1540 bytes!version RGNOS 10.2.00(2), Release(28794)(Fri Dec 21 09:27:15 CST 2007 -ngcf32)hostname s3!vlan 1!vlan 10!service password-encryption!spanning-treespanning-tree mst configuration revision 1 name region1 instance 0 vlan 1-9, 11-19, 21-4094 instance 1 vlan 10 instance 2 vlan 20spanning-tree mst 1 priority 0spanning-tree mst 2 priority 4096interface FastEthernet 0/1 switchport access vlan 10!interface FastEthernet 0/2 switchport access vlan 10!.interface GigabitEthernet 0/25!interface Gigab
