4 Command Line Interface

switchport voice vlan rule

This command selects a method for detecting VoIP traffic on a port. Use the no form to disable the detection method on the port.

Syntax

[no] switchport voice vlan rule {oui lldp}

oui - Traffic from VoIP devices is detected by the Organizationally Unique Identifier (OUI) of the source MAC address.

lldp - Uses LLDP to discover VoIP devices attached to the port.

Default Setting

OUI: Enabled

LLDP: Disabled

Command Mode

Interface Configuration

Command Usage

When OUI is selected, be sure to configure the MAC address ranges in the Telephony OUI list. 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 checks that the “telephone bit” in the system capability TLV is turned on. See “LLDP Commands” on page 4-193for more information on LLDP.

Example

The following example enables the OUI method on port 1 for detecting VoIP traffic.

Console(config)#interface ethernet 1/1

Console(config-if)#switchport voice vlan rule oui

Console(config-if)#

switchport voice vlan security

This command enables security filtering for VoIP traffic on a port. Use the no form to disable filtering on a port.

Syntax

[no] switchport voice vlan security

Default Setting

Disabled

Command Mode

Interface Configuration

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Accton Technology ES3528M-SFP manual Switchport voice vlan rule, Switchport voice vlan security, OUI Enabled Lldp Disabled