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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Overview of Voice VLANs

Overview of Voice VLANs


Voice VLAN is a technology that transmits voice data.


Data, voice, and video services are often transmitted simultaneously over a network. Packet loss and delay seriously affect the voice communication quality. Voice services, in particular, require a higher forwarding priority than data or video services. When bandwidth is limited, voice data must have transmission preference over other types of data. This can be done by configuring a voice VLAN on the switch to transmit voice data and setting QoS parameters in the voice VLAN so that voice data is given preference when congestion occurs.

Updated: 2019-04-12

Document ID: EDOC1100041791

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