Configuring 802.1Q VLAN Configuration Example
Configuration Guide  
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Figure 3-4 Specifying the PVID for the ports
4)  Click   to save the settings.
3.5  Using the CLI
The configurations of Switch 1 and Switch 2 are similar. The following introductions take 
Switch 1 as an example.
1)  Create VLAN 10 for Department A, and configure the description as Department-A. 
Similarly, create VLAN 20 for Department B, and configure the description as 
Department-B.
Switch_1#configure
Switch_1(config)#vlan 10
Switch_1(config-vlan)#name Department-A
Switch_1(config-vlan)#exit
Switch_1(config)#vlan 20
Switch_1(config-vlan)#name Department-B
Switch_1(config-vlan)#exit
2)  Add untagged port 1/0/2 and tagged port 1/0/4 to VLAN 10. Add untagged port 1/0/3 
and tagged port 1/0/4 to VLAN 20.
Switch_1(config)#interface fastEthernet 1/0/2
Switch_1(config-if)#switchport general allowed vlan 10 untagged
Switch_1(config-if)#exit