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1、华为Ethtrunk链路聚合及VLAN相关命令S2-Eth-Trunk1interface Eth-Trunk1S2-Eth-Trunk1bpdu enableS2-Eth-Trunk1mode lacp-static然后将相应的端口加入到Eth-Trunk1接口，命令如下：S1interface g0/0/9S1eth-trunk 1S1quitS1interface g0/0/10S1eth-trunk 1S1quit端口原来是acces要改成Hybrid,要先打port default vlan 1命令，再打port link-type hybrid命令。单臂路由的子接口配置示例:int
2、erface GigabitEthernet0/0/1.2control-vid 20 dot1q-termination dot1q termination vid 2ip address 10.0.20.1 255.255.255.0arp broadcast enable超级VLAN配 置命令：vlan 100 将VLAN配置为Super-VLANaggregate-vlanaccess-vlan 10 20 将VLAN10和20作为Sub-VLAN加入VLAN100然后配IP及Arp代理:S2int Vlanif 100arp-proxy inter-sub-vlan-proxy en
3、ableMUX VLAN相关配置：全局命令vlan 100mux-vlansubordinate separate 20subordinate group 10接口命令interface GigabitEthernet0/0/4port link-type accessport default vlan 20port mux-vlan enableSTP命令:方法一：S1stp root primary 直接设定S1为根桥R2stp root secondary 直接设定S2为备份根桥方法二：S1stp priority 8192S2stp priority 4096 越小越优先，S2成为根桥
4、端口优先级设置命令：S2-GigabitEthernet0/0/10stp port priority 16MSTP配置举例：stp region-configurationregion-name RG1instance 1 vlan 1 to 10instance 2 vlan 11 to 20active region-configuration 配置实例的优先级：stp instance 1 priority 4096stp instance 2 priority 8192配置相应的交换机为相应实例的根桥：SW1stp instance 2 root primarySW1stp instance 1 root secondarySW2stp instance 1 root primarySW2stp instance 2 root secondary
