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| VoIP Traffic Configuration
Configuring VoIP Traffic Ports
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LLDP – Uses LLDP (IEEE 802.1AB) to discover VoIP devices
attached to the port. LLDP checks that the “telephone bit” in the
system capability TLV is turned on. See "Link Layer Discovery
Protocol" on page 424 for more information on LLDP.
◆ Priority – Defines a CoS priority for port traffic on the Voice VLAN. The
priority of any received VoIP packet is overwritten with the new priority
when the Voice VLAN feature is active for the port. (Range: 0-6;
Default: 6)
◆ Remaining Age – Number of minutes before this entry is aged out.
The Remaining Age starts to count down when the OUI’s MAC address
expires from the MAC address table. Therefore, the MAC address aging
time should be added to the overall aging time. For example, if you
configure the MAC address table aging time to 30 seconds, and the
voice VLAN aging time to 5 minutes, then after 5.5 minutes, a port will
be removed from voice VLAN when VoIP traffic is no longer received on
the port. Alternatively, if you clear the MAC address table manually,
then the switch will also start counting down the Remaining Age.
WEB INTERFACE
To configure VoIP traffic settings for a port:
1. Click Traffic, VoIP.
2. Select Configure Interface from the Step list.
3. Configure any required changes to the VoIP settings each port.
4. Click Apply.
Figure 152: Configuring Port Settings for a Voice VLAN
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