1、实验拓扑
2、stp配置
SW1
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode stp 开启stp
stp instance 0 root primary SW1为生成树的根节点（选择根节点一般选择性能较强的交换机）
SW2
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode stp 开启stp
stp instance 0 root secondary SW2为生成树次根节点（作为根节点的备份）
SW3
vlan10 定义vlan
vlan20
interface Ethernet0/0/1 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
interface Ethernet0/0/2 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
stp mode stp 开启stp
3、Rstp配置
SW1
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode rstp 开启rstp
stp instance 0 root primary SW1为生成树的根节点（选择根节点一般选择性能较强的交换机）
SW2
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode rstp 开启rstp
stp instance 0 root secondary SW2为生成树根备份节点
SW3
vlan10 定义vlan
vlan20
interface Ethernet0/0/1 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
interface Ethernet0/0/2 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
stp mode rstp 开启rstp
4、配置Mstp
SW1
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode mstp 开启mstp
stp region-configuration 配置生成树域
region-name huawei 配置域的名称，每个运行协议的域名需统一
instance 1 vlan 10 实例一定义vlan10
instance 2 vlan 20 实例二定义vlan20
active region-configuration 激活
quit
stp instance 1 root primary 配置交换机为实例1的根桥
stp instance 2 root secondary 配置交换机为实例2的备份根桥
SW2
vlan10 定义vlan
vlan20
interface Eth-Trunk1 配置链路聚合
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
mode lacp-static
max active-linknumber 1
interface GigabitEthernet0/0/1 接口加入逻辑聚合口
eth-trunk 1
interface GigabitEthernet0/0/2
eth-trunk 1
stp mode mstp 开启mstp
stp region-configuration 配置生成树域
region-name huawei 配置域的名称，每个运行协议的域名需统一
instance 1 vlan 10 实例一定义vlan10
instance 2 vlan 20 实例二定义vlan20
active region-configuration 激活
quit
stp instance 1 root secondary 配置交换机为实例1的备份根桥
stp instance 2 root primary 配置交换机为实例2的根桥
SW3
vlan10 定义vlan
vlan20
interface Ethernet0/0/1 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
interface Ethernet0/0/2 配置接入交换机上联汇聚接口
port link-type trunk
undo port trunk allow-pass vlan 1
port trunk allow-pass vlan 10 20
stp mode mstp 开启mstp
stp region-configuration 配置生成树域
region-name huawei 配置域的名称，每个运行协议的域名需统一
instance 1 vlan 10 实例一定义vlan10
instance 2 vlan 20 实例二定义vlan20
active region-configuration 激活
quit
原文地址：https://blog.51cto.com/8843049/2438709