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TRENDnet User's Guide
When you are configuring the voice VLAN parameters, you must enter the complete
MAC address of at least one of your IP phones. An "OUI Mask" is automatically
generated and applied by the Web Management Utility software to yield the
manufacturer's OUI. If the OUI of the remaining phones from that manufacturer is the
same, then no other IP phone MAC addresses need to be entered into the configuration.
However, it is possible that you can find more than one OUI from the same
manufacturer among the IP phones you are installing. It is also possible that your IP
phones are from two or more different manufacturers in which case you will find
different OUIs for each manufacturer. If you identify more than one OUI among the IP
phones being installed, then one MAC address representing each individual OUI must be
configured in the voice VLAN. You can enter a total of 10 OUIs.
Dynamic Auto-Detection vs Static Ports
Prior to configuring the voice VLAN, you must configure a tagged VLAN which is the
basis for the voice VLAN configuration. The VLAN must be configured with one or more
tagged or untagged ports that will serve as the voice VLAN uplink/downlink. By default,
a tagged or untagged port is a static member of a tagged VLAN. The ports that you
choose to configure as dynamic Auto-Detection ports
must be connected directly to an IP phone. When you initially define the ports of a
tagged VLAN for your voice VLAN configuration, they must be configured as a "Not
Member" ports. The "Not Member" ports are eligible to dynamically join the voice VLAN
when voice data is detected with a predefined OUI in the source MAC address. The port
will leave the voice VLAN after a specified timeout period. This port behavior is
configured with the voice VLAN Auto-Detection feature.
For the Auto-Detection feature to function, your IP phone(s) must be capable of
generating 802.1Q packets with imbedded VLAN ID tags. You must manually configure
your IP phone(s) for the same VLAN ID as the switch's voice VLAN ID. When voice data is
detected on one of the "Not Member" ports, the packets from the IP phone will contain
the voice VLAN ID so they are switched within the switch's voice VLAN.
One or more ports in your voice VLAN must be configured as Static tagged or untagged
members. Static VLAN members are permanent member ports of the voice VLAN and
there is no dependency on the configuration of the devices connected to the ports.
These ports might be connected to other voice VLAN network nodes such as other
Ethernet switches, a telephone switch, or a DHCP server. The voice VLAN Auto-
Detection feature cannot be enabled on Static tagged or tagged ports.
Note: Any Static tagged members of the voice VLAN are required to have the port VLAN
ID (PVID) configured to be the same as the voice VLAN ID. This insures that all untagged
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packets entering the port are switched within the voice VLAN as the voice data passes
through the switch.
If the IP phone(s) that you are installing cannot be configured with a VLAN ID, then the
switch ports should be configured as Static tagged ports within the voice VLAN.
Note: Link Layer Discovery Protocol for Media Endpoint Devices (LLDP- MED) is not
supported on the switch. Each IP phone that is VLAN aware should be manually
configured for the VLAN ID that matches your voice VLAN ID. Each of the voice VLAN
ports connected to an IP phone should be configured as "Not Member" ports of the
tagged VLAN.
Global Settings
Network > Voice VLAN > Global Settings
Note: Prior to configuring your voice VLAN, you must first configure a tagged VLAN. This
VLAN will be used as a basis for your voice VLAN.
1. Log into your switch management page (see
on page 9).
2. Click on Network, click on Voice VLAN, and click on Global Settings.
3. Review the settings.
Use the following procedure to configure voice VLAN:
•
Voice VLAN State – Select Disabled to disable this feature, or Auto to allow
this feature to be automatically enable and disable or set it to OUI to use pre-
selected OUI VLANs
•
Voice VLAN ID - This parameter is the tagged VLAN ID that has been configured
in "Tagged VLAN Configuration". It is a pull-down menu showing the tagged
VLAN IDs that have been defined.
•
VLAN Priority Tag – This parameter sets the priority of the VLAN. The priority is
configured through the pull-down menu.
DSCP: Configure the DSCP for your switch. The range is from 0-63.
•
802.1p Remark – Enable 802.1p QoS for the assigned OUI
•
TL2-F7120
"Access your switch management
page"
48
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