LSW1
#
vlan batch 10 20 30
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/3
port link-type access
port default vlan 10
#
interface GigabitEthernet0/0/4
port link-type access
port default vlan 30
LSW2
#
vlan batch 10 20
#
interface Ethernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20
#
interface Ethernet0/0/2
port link-type access
port default vlan 10
#
interface Ethernet0/0/3
port link-type access
port default vlan 20
LSW3
#
vlan batch 20 30
#
interface Ethernet0/0/1
port link-type trunk
port trunk allow-pass vlan 20 30
#
interface Ethernet0/0/2
port link-type access
port default vlan 30
#
interface Ethernet0/0/3
port link-type access
port default vlan 20
PC1 ping 同VLAN的主机PC5 PC1 ping 不同VLAN的主机PC2
PC3 ping 同VLAN的PC6 PC3 ping 不同VLAN的PC1
验证属于同一VLAN的终端之间能互相通信，属于不同VLAN的终端不能通信