Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
Security:
Enable or disable security filtering feature on a per port basis. When enabled, any non-VoIP packets received
on a port with Voice VLAN ID will be discarded. VoIP traffic is identified by source MAC addresses configured in the
telephony OUI list or through LLDP which is used to discover VoIP devices attached to the switch.
Discovery Protocol:
Select a method for detecting VoIP traffic. By default, OUI is used.
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 form the first three octets of a device MAC address.
MAC address OUI numbers must be configured in the Telephony OUI list so that the switch recognizes the traffic
as being from a VoIP device.
LLDP:
Use LLDP (IEEE 802.1ab) to discover VoIP devices attached to a port. LLDP checks that the “telephone bit”
in the system capability TLV is turned on or not.
Both:
Use both OUI table and LLDP to detect VoIP traffic on a port.
4.3.23.2 OUI
Telephony OUI:
Specify your VoIP device’s OUI. It must be 6 characters long and the input format is “xx-xx-xx” (x is
hexadecimal digit)
Description:
Specify a descriptive comments or information to this entry.
Click the “Add New Entry” button to insert a new entry to the list.
Click the “Delete” button to remove a newly-inserted entry or select the checkbox to remove a saved entry during the
next save.
Click the “Save” button to save settings or changes.
Click the “Reset” button to restore changed settings to the default settings.
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