四、MSTP的相关配置1.案例环境如下:
2.案例要求1.所有交换机启用MSTP协议,区域名称改为huawei,修改版本级别为1;
2.利用MSTP协议VLAN10和VLAN20的互访;
3.VLAN10的流量走向:PC1→S3→S1→R1;
4.VLAN20的流量走向:PC2→S3→S2→R1;
3.案例实施
(1)配置客户端及路由器IP地址 配置客户端地址过程过程略!配置路由器地址如下:
[ R1] int g0/ 0/ 1[R1-GigabitEthernet0/0/1]ip add 10.1.10.254 24 [R1-GigabitEthernet0/0/1]int g0/0/0 [R1-GigabitEthernet0/0/2]ip add 10.1.20.254 24 //华为设备接口默认是开启的,也可以使用undo shutdown开启一下!
(2)配置VLAN及Trunk 本次实验中,客户机与交换机连接口为Access接口,二层交换机与交换机连接口为Trunk接口,二层交换机和路由器连接口为Hybrid接口。常识:路由器不可以识别带VLAN标签的数据帧。
S1的配置如下: [ S1]vlan batch 10 20[ S1] int g0/ 0/ 2[S1-GigabitEthernet0/0/2]port link-type hybrid [S1-GigabitEthernet0/0/2]port hybrid untagged vlan 10 [S1-GigabitEthernet0/0/2]port hybrid pvid vlan 10 [S1-GigabitEthernet0/0/2]int g0/0/1 [S1-GigabitEthernet0/0/1]port link-type trunk [S1-GigabitEthernet0/0/1]port trunk allow-pass vlan all [S1-GigabitEthernet0/0/1]int g0/0/3 [S1-GigabitEthernet0/0/3]port link-type trunk [S1-GigabitEthernet0/0/3]port trunk allow-pass vlan all //基础指令这里就不介绍什么意思了!
S2的配置如下: [ S2]vlan batch 10 20[ S2] int g0/ 0/ 2[S2-GigabitEthernet0/0/2]port link-type hybrid [S2-GigabitEthernet0/0/2]port hybrid untagged vlan 20 [S2-GigabitEthernet0/0/2]port hybrid pvid vlan 20 [S2-GigabitEthernet0/0/2]int g0/0/1 [S2-GigabitEthernet0/0/1]port link-type trunk [S2-GigabitEthernet0/0/1]port trunk allow-pass vlan all [S2-GigabitEthernet0/0/1]int g0/0/3 [S2-GigabitEthernet0/0/3]port link-type trunk [S2-GigabitEthernet0/0/3]port trunk allow-pass vlan all
S3的配置如下: [ S3]vlan batch 10 20[ S3] int g0/ 0/ 1 [S3-GigabitEthernet0/0/1]port link-type trunk [S3-GigabitEthernet0/0/1]port trunk allow-pass vlan all [S3-GigabitEthernet0/0/1]int g0/0/2 [S3-GigabitEthernet0/0/2]port link-type trunk [S3-GigabitEthernet0/0/2]port trunk allow-pass vlan all [S3-GigabitEthernet0/0/2]int g0/0/3 [S3-GigabitEthernet0/0/3]port link-type access [S3-GigabitEthernet0/0/3]port default vlan 10 [S3-GigabitEthernet0/0/3]int g0/0/4 [S3-GigabitEthernet0/0/4]port link-type access [S3-GigabitEthernet0/0/4]port default vlan 20
(3)配置MSTP根据实验要求,实验命令如下:
S1的配置如下: [S1]stp mode mstp //将交换机配置成MSTP模式
[S1]stp region-configuration //进入MSTP配置模式
[S1-mst-region]region-name huawei //配置域名为huawei
[S1-mst-region]revision-level 1 //配置版本等级为1
[S1-mst-region]instance 1 vlan 10 //将VLAN10加入实例1中
[S1-mst-region]instance 2 vlan 20 //将VLAN20加入实例2中
[S1-mst-region]active region-configuration //激活配置(必须配置)
[S1-mst-region]quit[S1]stp instance 1 root primary //配置此交换机为实例1的主根
[S1]stp instance 2 root secondary //配置此交换机为实例2的备根
S2的配置如下: [S2]stp mode mstp [S2]stp region-configuration [S2-mst-region]region-name huawei [S2-mst-region]revision-level 1 [S2-mst-region]instance 1 vlan 10 [S2-mst-region]instance 2 vlan 20 [S2-mst-region]active region-configuration [S2]stp instance 1 root secondary [S2]stp instance 2 root primary //命令与S1基本相似,这里就不多说了!
S3的配置如下: [S3]stp mode mstp [S3]stp region-configuration [S3-mst-region]region-name huawei [S3-mst-region]revision-level 1 [S3-mst-region]instance 1 vlan 10 [S3-mst-region]instance 2 vlan 20 [S3-mst-region]active region-configuration
(4)验证 在S3上使用一下命令查看效果!
[S3]display stp brief //查看STP接口角色及状态信息 MSTID Port Role STP State Protection 0 GigabitEthernet0/0/1 DESI FORWARDING NONE 0 GigabitEthernet0/0/2 DESI FORWARDING NONE 0 GigabitEthernet0/0/3 DESI FORWARDING NONE 0 GigabitEthernet0/0/4 DESI FORWARDING NONE 1 GigabitEthernet0/0/1 ROOT FORWARDING NONE 1 GigabitEthernet0/0/2 ALTE DISCARDING NONE //运行实例1时,g0/0/2接口阻塞 1 GigabitEthernet0/0/3 DESI FORWARDING NONE 2 GigabitEthernet0/0/1 ALTE DISCARDING NONE //运行实例2时,g0/0/1接口阻塞 2 GigabitEthernet0/0/2 ROOT FORWARDING NONE 2 GigabitEthernet0/0/4 DESI FORWARDING NONE
可以自行验证效果!PC1和PC2是可以通信的,不管任何交换机之间任意一条线路故障,也不会影响通信(模拟线路故障后,稍微等一下再测试通信)! ———————— 本文至此结束,感谢阅读 ———————— |