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
