在华为交换机上配置MSTP防止局域网网络环路

发布时间:2021-08-04 10:12
 

拓扑如下图所示:

配置步骤:

1.SW1SW2SW3上建好vlan 10vlan20,然后在SW1GE0/0/1,SW2G0/0/2,SW1G0/0/1G0/0/2的接口模式设为TRUNKSW1e0/0/1e0/0/2的接口模式为acces

2.SW1SW2之间进行链路绑定,并把绑定后的Ethrunk的接口模式设TRUNK Eth-Trunk 1

[SW2]interface Eth-Trunk 1

[SW2]interface g0/0/3

[SW2-GigabitEthernet0/0/3]eth-trunk 1

[SW2]interface Eth-Trunk 1

[SW2-Eth-Trunk1]port link-type trunk

[SW2-Eth-Trunk1]port trunk allow-pass vlan 10 20

3.开始配置MSTP

先在SW1,SW2,SW3配置如下命令:

stp region-configuration

region-name qgtest

revision-level 1

instance 1 vlan 10

instance 2 vlan 20

active region-configuration

然后,在SW1上配置:

stp instance 1 root primary

stp instance 2 root secondary

在SW2上配置:

stp instance 1 root secondary

stp instance 2 root primary

4.可以在SW3e0/0/1e0/0/2上开启边缘端口,避免主机接受到BPDU报文

stp edged-port enable
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