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Configuring QoS
Optional Status
2) Click Apply.
4.2
Using the CLI
Follow these steps to configure voice VLAN:
Step 1
configure
Enter global configuration mode.
Step 2
show voice vlan oui-table
Check whether the OUI address of your voice device is in the OUI table.
The OUI address is used by the switch to determine whether a packet is a voice packet. An
OUI address is the first 24 bits of a MAC address, and is assigned as a unique identifier by
IEEE (Institute of Electrical and Electronics Engineers) to a device vendor. If the source MAC
address of a packet matches the OUI addresses in the OUI list, the switch identifies the packet
as a voice packet and prioritizes it in transmission.
Step 3
voice vlan oui oui-prefix oui-desc string
If the OUI address of your voice device is not in the OUI table, add the OUI address to the table.
oui-prefix
string
Step 4
voice vlan vid
Enable the voice VLAN feature and specify an existing 802.1Q VLAN as the voice VLAN.
vid:
Step 5
voice vlan priority pri
Specify the priority that will be assigned to voice packets.
pri:
priority. The valid values are from 0 to 7 and the default value is 7. This is an IEEE 802.1p
priority, and you can further configure its scheduler mode in Class of Service if needed.
Step 6
interface {fastEthernet port | range fastEthernet port-list | gigabitEthernet port | range
gigabitEthernet port-list | ten-gigabitEthernet port | range ten-gigabitEthernet port-list | port-
channel port-channel-id | range port-channel port-channel-list }
Enter interface configuration mode.
Step 7
voice vlan
Enable the voice VLAN feature on ports and add the desired ports to voice VLAN.
Step 8
show voice vlan interface
Verify the voice VLAN configuration information.
Displays the state of the Voice VLAN on the corresponding port.
Active: Indicates that Voive VLAN function is enabled on the port.
Inactive: Indicates that Voive VLAN function is disabled on the port.
: Enter the OUI address for your voice device in the format of XX:XX:XX.
: Give an OUI address description for identification. It contains 16 characters at most.
Enter the 802.1Q VLAN ID to set the 802.1Q VLAN as the voice VLAN.
Enter the priority that will be assigned to voice packets. A bigger value means a higher
Voice VLAN Configuration
Configuration Guide
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