配置华为三层交换机，实现不同Vlan之间的通信。

<huawei>syste-mview

[huawei]sysname gateway

[gateway]vlan batch 10 20 30

[gateway]interface vlanif 10

[gateway-Vlanif10]undo shutdown

[gateway-Vlanif10]ip address 192.168.10.254 255.255.255.0

[gateway-Vlanif10]quit

[gateway]interface vlanif 20

[gateway-Vlanif20]undo shutdown

[gateway-Vlanif20]ip address 192.168.20.254 255.255.255.0

[gateway-Vlanif20]quit

[gateway]interface vlanif30

[gateway-Vlanif30]undo shutdown

[gateway-Vlanif30]ip address 192.168.30.254 255.255.255.0

[gateway-Vlanif30]quit

[gateway]

[gateway]interface GigabitEthernet 0/0/1

[gateway-GigabitEthernet0/0/1]port link-type access

[gateway-GigabitEthernet0/0/1]port default vlan 10

[gateway-GigabitEthernet0/0/1]quit

[gateway]interface GigabitEthernet 0/0/2

[gateway-GigabitEthernet0/0/2]port link-type access

[gateway-GigabitEthernet0/0/2]port default vlan 20

[gateway-GigabitEthernet0/0/2]quit

[gateway]interface GigabitEthernet 0/0/3

[gateway-GigabitEthernet0/0/1]port link-type access

[gateway-GigabitEthernet0/0/1]port default vlan 30

[gateway-GigabitEthernet0/0/1]quit