Cisco SR224T Administration Guide - Page 175

VLAN Management Voice VLAN 12 • Voice VLAN ID-The identifier of the current voice VLAN. • CoS/802.1p-The advertised or configured CoS/802.1p values that are used by the LLDP-MED as a voice network policy. • DSCP-The advertised or configured DSCP values that are used by the LLDP-MED as a voice network policy. • Best Local Source-Displays whether this voice VLAN was used by the switch. The following options are available: - Yes-The switch uses this voice VLAN to synchronize with other Auto Voice VLAN-enabled switches. This voice VLAN is the voice VLAN for the network unless a voice VLAN from a higher priority source is discovered. Only one local source is the best local source. - No-This is not the best local source. 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 covers 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 Telephony OUI 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 Telephony OUI page to view existing OUIs, and add new OUIs. Cisco Small Business 200 Series Smart Switch Administration Guide 176