1.配置LSW [LSW1]vlan 10 [LSW1-GigabitEthernet0/0/2]port link-type access [LSW1-GigabitEthernet0/0/2]port default vlan 10 [LSW1-GigabitEthernet0/0/1]port link-type trunk [LSW1-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 [LSW2]vlan 20 [LSW2-GigabitEth…