Datto Switches: Voice VLAN

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Topic

This article describes how to configure Voice VLANs using Datto Switches.

Environment

  • Datto Switches

Overview

The Voice VLAN feature assists in configuring switches to automatically allow and prioritize voice traffic over a designated VLAN. This allows voice traffic to be kept separated and prioritized over other traffic types. The switch can either use an OUI list, or automatically build a list using the LLDP-MED protocol.

Procedure

Navigation

1. Navigate to a device web session for your switch.

2. Click on Switch Settings.

Figure 1: Switch Settings

3. Click on the Voice VLAN dropdown to reveal settings, and click the Enable checkbox to interact with them, as seen in Figure 2.

Figure 2: Enabling Voice VLAN

4. Click Save Switch Settings to save all modified settings.

Configuration

The following Voice VLAN settings are available:

Figure 3: Voice VLAN settings

  • Switch Voice VLAN: Allows to choose what VLAN is used for Voice VLAN. Read the Datto Switches: VLAN article for more information on how to setup a VLAN.
  • QoS Priority: Allows you to define whether the switch will use the Quality of Service CoS value of the incoming packet, or tags the packet with a CoS value between 1-7.
  • Mode: Allows you to define the Voice VLAN mode. There are two modes, both of which are explained in the following section of this article.

Voice VLAN Modes

The switch has two Voice VLAN modes: Static (OUI List), and Dynamic (LLDP-MED).

Static (OUI List)

To configure the switch to use a list of OUI addresses, follow these steps:

Figure 3: Creating an OUI List

1. In the Voice VLAN settings, choose Static (OUI List).

2. Input the OUI address of your device.

3. Input a brief description of your device.

4. Click Add.

Dynamic (LLDP-MED)

To configure the switch to automatically advertise the Voice VLAN to connected devices via the LLDP-MED protocol, select Dynamic (LLDP-MED) in the Voice VLAN settings.

Figure 4: Selecting LLDP-MED


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