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Voice VLAN configuration examples
Example: Configuring automatic voice VLAN assignment
mode
Network configuration
As shown in Figure 16, Device A transmits traffic from IP phones and hosts.
For correct voice traffic transmission, perform the following tasks on Device A:
• Configure voice VLANs 2 and 3 to transmit voice packets from IP phone A and IP phone B,
respectively.
• Configure Twenty-FiveGigE 1/0/1 and Twenty-FiveGigE 1/0/2 to operate in automatic voice
VLAN assignment mode.
• Add MAC addresses of IP phones A and B to the device for voice packet identification. The
mask of the two MAC addresses is FFFF-FF00-0000.
• Set an aging timer for voice VLANs.
Figure 16 Network diagram
Procedure
1. Configure voice VLANs:
# Create VLANs 2 and 3.
<DeviceA> system-view
[DeviceA] vlan 2 to 3
# Set the voice VLAN aging timer to 30 minutes.
[DeviceA] voice-vlan aging 30
# Enable security mode for voice VLANs.
[DeviceA] voice-vlan security enable
# Add MAC addresses of IP phones A and B to the device with mask FFFF-FF00-0000.
[DeviceA] voice-vlan mac-address 0011-1100-0001 mask ffff-ff00-0000 description IP
phone A
[DeviceA] voice-vlan mac-address 0011-2200-0001 mask ffff-ff00-0000 description IP
phone B
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