Cisco 300 Series Cli Manual page 527

Small business 300 series managed switches command line interface guide release 1.3

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Table of Contents

Voice VLAN Commands

78-21075-01 Command Line Interface Reference Guide

If the administrative state is:

disabled — The operational state is disabled.

oui-enabled —The operational state is oui-enabled.

auto-enabled — The operational state is auto-enabled.

auto-triggered — The operational state is auto-enabled only if one of the

following occurs:

A static local configured voice VLAN ID, CoS/802.1p, and/or DSCP that

is not factory default is configured.

A CDP voice VLAN advertisement is received from a neighboring CDP

device that is not a a device of the same family as the current device.

A Voice Service Discovery Protocol (VSDP) message was received

from a neighbor switch. VSDP is a Cisco Small Business proprietary

protocol for SF and SG series managed switches.

In all other cases the operational state is disabled.

To change the administrative state from oui-enabled to auto-enabled (or

auto-triggered), or vice versa, you must first set the administrative state to

The administrative state cannot be set to oui-enabled if the Auto SmartPort

administrative state is enabled.

The administrative state cannot be set to oui-enabled if the voice VLAN is

the default VLAN (VLAN 1) For oui-enabled mode, the voice VLAN cannot

Example 1 - The following example enables the OUI mode of Voice VLAN. The first

try did not work - it was necessary to first disable voice VLAN.

switchxxxxxx(config)#

Disable the voice VLAN before changing the voice VLAN trigger.

switchxxxxxx(config)#

switchxxxxxx(config)#v

voice vlan state oui-enabled

voice vlan state disabled

oice vlan state oui-enabled