VLAN Management
Voice VLAN
Cisco Small Business 200 1.1 Series Smart Switch Administration Guide 179
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STEP 3 Click Refresh to refresh the information on the page
Configuring Telephony OUI
OUIs are assigned by the Institute of Electrical and Electronics Engineers,
Incorporated (IEEE) Registration Authority. Since the number of IP phone
manufacturers is limited and well-known, the known OUI values cause the relevant
frames, and the port on which they are seen, to be automatically assigned to a
Voice VLAN.
The OUI Global table can hold up to 128 OUIs.
This section contains the following topics:
• Adding OUIs to the Telephony OUI Table
• Adding Interfaces to Voice VLAN on Basis of OUIs
Adding OUIs to the Telephony OUI Table
Use the Te le p ho ny OU I page to configure Telephony OUI QoS properties. In
addition, the Auto Membership Aging time can be configured. If the specified time
period passes with no telephony activity, the port is removed from the Voice
VLAN.
Use the Te le p ho ny OU I page to view existing OUIs, and add new OUIs.
To configure Telephony OUI and/or add a new Voice VLAN OUI:
STEP 1 Click VLAN Management > Voice VLAN > Telephony OUI. The
Te l e p h o n y O U I
page opens.
The
Te l e p h o n y O U I
page displays the following fields:
• Telephony OUI Operational Status—Displays whether OUIs are used to
identify voice traffic.
• CoS/802.1p—Select the CoS queue to be assigned to voice traffic.
• Remark CoS/802.1p—Select whether to remark egress traffic.
• Auto Membership Aging Time—Enter the time delay to remove a port from
the voice VLAN after all of the MAC addresses of the phones detected on the
ports have aged out.
STEP 2 Click Apply to update the Running Configuration of the switch with these values.
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