PC1 10.1.1.1/24 PC2 10.1.1.2/24 PC3 10.1.1.3/24 PC4 10.1.1.4/24 PC5 10.1.1.254/24
[SW1-vlan100]dis this vlan 100 mux-vlan //设置VLAN100为主VLAN subordinate separate 20 // 隔离型从VLAN subordinate group 10 //互通型从VLAN
[SW2]vlan 100 [SW2[SW2]vlan 100 [SW2-vlan100]dis this vlan 100 mux-vlan subordinate separate 20 subordinate group 10
[SW1]int g0/0/1 [SW1-GigabitEthernet0/0/1]dis this interface GigabitEthernet0/0/1 port link-type access port default vlan 10 port mux-vlan enable
[SW1-GigabitEthernet0/0/1]int g0/0/2 [SW1-GigabitEthernet0/0/2]dis this interface GigabitEthernet0/0/2 port link-type access port default vlan 20 port mux-vlan enable
[SW1-GigabitEthernet0/0/2]int g0/0/3 [SW1-GigabitEthernet0/0/3]dis this interface GigabitEthernet0/0/3 port link-type access port default vlan 100 port mux-vlan enable
[SW1-GigabitEthernet0/0/3]int g0/0/4 [SW1-GigabitEthernet0/0/4]dis this interface GigabitEthernet0/0/4 port link-type trunk port trunk allow-pass vlan 2 to 4094
access端口都要使能mux-vlan 正常情况下PC2和PC4是隔离型从VLAN，不能互相通信，ensp存在bug，可以通信 PC1可以跟PC5通信，不同VLAN可以通信，是因为VLAN100 是主VLAN，VLAN10 也属于VLAN100
