C
HAPTER
4
| Configuring the Switch
Managing VoIP Traffic
– 171 –
Figure 67: Configuring Global and Port Settings for a Voice VLAN
CONFIGURING
TELEPHONY OUI
Use the Voice VLAN OUI Table to identify VoIP devices attached to the
switch. VoIP devices can be identified by the manufacturer’s Organizational
Unique Identifier (OUI) in the source MAC address of received packets. OUI
numbers are assigned to manufacturers and form the first three octets of
device MAC addresses. The MAC OUI numbers for VoIP equipment can be
configured on the switch so that traffic from these devices is recognized as
VoIP.
N
OTE
:
Making any changes to the OUI table will restart the auto-detection
process for attached VoIP devices.
PATH
Configuration, Voice VLAN, OUI
PARAMETERS
These parameters are displayed:
◆ Telephony OUI – Specifies a globally unique identifier assigned to a
vendor by IEEE to identify VoIP equipment. The OUI must be 6
characters long and the input format “xx-xx-xx” (where x is a
hexadecimal digit).
◆ Description – User-defined text that identifies the VoIP devices.
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