172
3. Configure the authorization VLAN for the IP phone on the authentication server. For more
information about authorization VLANs, see Security Configuration Guide.
Displaying and maintaining voice VLANs
Execute display commands in any view.
Task Command
Display the voice VLAN state.
display voice-vlan state
Display the OUI addresses that the system supports.
display voice-vlan mac-address
Voice VLAN configuration examples
Automatic voice VLAN assignment mode configuration
example
Network requirements
As shown in Figure 51, 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 phones A and B, respectively.
• Configure GigabitEthernet 1/0/1 and GigabitEthernet 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.
Figure 51 Network diagram
Configuration procedure
1. Configure voice VLANs:
# Create VLANs 2 and 3.
<DeviceA> system-view
[DeviceA] vlan 2 to 3
Device A
Device B
GE1/0/1
GE1/0/1
IP phone B
010-1002
MAC: 0011-2200-0001
Mask: ffff-ff00-0000
0755-2002
GE1/0/2
IP phone A
010-1001
MAC: 0011-1100-0001
Mask: ffff-ff00-0000
Internet
PC A
MAC: 0022-1100-0002
PC B
MAC: 0022-2200-0002
VLAN 3
VLAN 2