Installation manual

3-239
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Web – Click QoS, VoIP Traffic Setting, Configuration. Enable Auto Detection, specify the
Voice VLAN ID, the set the Voice VLAN Aging Time. Click Apply.
Figure 3-133 Configuring VoIP Traffic
CLI – This example enables VoIP traffic detection and specifies the Voice VLAN ID as
1234, then sets the VLAN aging time to 3000 seconds.
Configuring VoIP Traffic Ports
To configure ports for VoIP traffic, you need to set the mode (Auto or Manual), specify the
discovery method to use, and set the traffic priority. You can also enable security filtering
to ensure that only VoIP traffic is forwarded on the Voice VLAN.
Command Attributes
Mode – Specifies if the port will be added to the Voice VLAN when VoIP traffic is
detected. (Default: None)
None – The Voice VLAN feature is disabled on the port. The port will not detect VoIP
traffic or be added to the Voice VLAN.
Auto – The port will be added as a tagged member to the Voice VLAN when VoIP
traffic is detected on the port. You must select a method for detecting VoIP traffic,
either OUI or 802.1ab (LLDP). When OUI is selected, be sure to configure the MAC
address ranges in the Telephony OUI list.
Manual – The Voice VLAN feature is enabled on the port, but the port must be
manually added to the Voice VLAN.
Security – Enables security filtering that discards any non-VoIP packets received on the
port that are tagged with the voice VLAN ID. VoIP traffic is identified by source MAC
addresses configured in the Telephony OUI list, or through LLDP that discovers VoIP
devices attached to the switch. Packets received from non-VoIP sources are dropped.
(Default: Disabled)
Discovery Protocol – Selects a method to use for detecting VoIP traffic on the port.
(Default: OUI)
OUI – Traffic from VoIP devices is detected by the Organizationally Unique Identifier
(OUI) of the source MAC address. OUI numbers are assigned to manufacturers and
Console(config)#voice vlan 1234 4-267
Console(config)#voice vlan aging 3000 4-268
Console(config)#