Voice VLAN Commands 559FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell ContaxCLI\files\Voice_VLAN.fmD E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 1 5 / 1 2 - F O R P R O O F O N LYUser GuidelinesThe classification of a packet to Packets from VoIP Equipment/Phones isbased on the packet’s OUI of the source Mac Address.In MAC addresses, the first three bytes contain a manufacturer ID(Organizationally Unique Identifiers - OUI) and the last three bytes contain aunique station ID.OUIs are globally assigned (administered) by the IEEE.Since the number of IP phones manufacturers that dominates the market islimited and well known, the known OUI values can be configured (as adefault and user configurable) to the switch.ExampleThe following example adds an entry to the voice VLAN OUI table.Console(config)# voice vlan oui-table add 00:AA:BB descriptionexperimentalvoice vlan cos modeUse the voice vlan cos mode Interface Configuration mode command toselect the OUI Voice VLAN Class Of Service mode. Use the no form of thiscommand. to return to the default.Syntaxvoice vlan cos mode{src | all}no voice vlan cos modeParameters• src—QoS attributes are applied only on packets from IP phones. See theUser Guidelines.• all—QoS attributes are applied only on all packets that are classified to theVoice VLAN.Command ModeInterface Configuration (Ethernet, port-channel) mode
