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Cisco 300 Series

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Configuring Voice VLAN Properties

Use the Voice VLAN Properties page for the following:

  • View how voice VLAN is currently configured.
  • Configure the VLAN ID of the Voice VLAN.
  • Configure voice VLAN QoS settings.
  • Configure the voice VLAN mode (Telephony OUI or Auto Voice VLAN).
  • Configure how Auto Voice VLAN is triggered.

To view and configure Voice VLAN properties:

  1. Click VLAN Management > Voice VLAN > Properties.
    • The voice VLAN settings configured on the device are displayed in the Voice VLAN Settings (Administrative Status) block.
    • The voice VLAN settings that are actually being applied to the voice VLAN deployment are displayed in the Voice VLAN Settings (Operational Status) block.
  2. Enter values for the following fields:
    • Voice VLAN ID—Enter the VLAN that is to be the Voice VLAN.

    NOTE     Changes in the voice VLAN ID, CoS/802.1p, and/or DSCP cause the device to advertise the administrative voice VLAN as a static voice VLAN. If the option Auto Voice VLAN Activation triggered by external Voice VLAN is selected, then the default values need to be maintained.

    • CoS/802.1p —Select a CoS/802.1p value that to be used by LLDP-MED as a voice network policy. Refer to Administration > Discovery > LLDP > LLDP MED Network Policy for additional details.
    • DSCP—Selection of DSCP values that to be used by the LLDP-MED as a voice network policy. Refer to Administration > Discovery > LLDP > LLDP MED Network Policy for additional details.
    • Dynamic Voice VLAN—Select this field to disable or enable voice VLAN feature in one of the following ways:
      • Enable Auto Voice VLAN—Enable Dynamic Voice VLAN in Auto Voice VLAN mode.
      • Enable Telephony OUI—Enable Dynamic Voice VLAN in Telephony OUI mode.
      • Disable—Disable Auto Voice Vlan or Telephony OUI.
    • Auto Voice VLAN Activation—If Auto Voice VLAN was enabled, select one of the following options to activate Auto Voice VLAN:
      • Immediate—Auto Voice VLAN on the device is to be activated and put into operation immediately if enabled.
      • By External Voice VLAN Trigger—Auto Voice VLAN on the device is activated and put into operation only if the device detects a device advertising the voice VLAN.

    NOTE     Manually re-configuring the voice VLAN ID, CoS/802.1p, and/or DSCP from their default values results in a static voice VLAN, which has higher priority than auto voice VLAN that was learned from external sources.

  3. Click Apply. The VLAN properties are written to the Running Configuration file.