Configuring QoS Configuration Examples
Configuration Guide  
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Figure 6-5 Voice VLAN Application Topology
Internet
IP Phone 1 IP Phone 2
Switch A
Fa1/0/2
Fa1/0/1
Switch B
Fa1/0/3
PC 3
Fa1/0/4
VLAN 2 VLAN 3
6.2.2  Configuration Scheme
To implement this requirement, you can configure Voice VLAN to ensure that the voice 
traffic can be transmitted in the same VLAN and the data traffic is transmitted in another 
VLAN. In addition, specify the priority to make the voice traffic can take precedence when 
the congestion occurs.
1)  Configure 802.1Q VLAN for port 1/0/1, port 1/0/2. port 1/0/3 and port 1/0/4.
2)  Configure Voice VLAN feature on port 1/0/1 and port 1/0/2.
Demonstrated with T2600G-28TS, the following sections provide configuration procedure 
in two ways: using the GUI and using the CLI.
6.2.3  Using the GUI
1)  Choose the menu L2 FEATURES > VLAN > 802.1Q VLAN > VLAN Config and click 
 to load the following page. Create VLAN 2 and add untagged port 1/0/1, port 
1/0/2 and port 1/0/4 to VLAN 2. Click Create.