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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Applicable Scenario

Applicable Scenario

This section describes the applicable scenario of the voice VLAN.

In Figure 7-2, PCs and IP phones connect to the Internet through switching device. Because the voice service is sensitive to the delay and jitter, the priority of voice data flows needs to be increased so that they can be preferentially forwarded when congestion occurs. The router adds the voice VLAN tag and assigns a higher priority to the VoIP traffic, so the VoIP traffic can be transmitted preferentially and voice quality is ensured.

NOTE:

The device cannot process untagged packets.

Figure 7-2  Applicable scenario of the voice VLAN

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Updated: 2019-05-25

Document ID: EDOC1000097279

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