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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Applicable Scenario

Applicable Scenario

Figure 9-5 shows PCs and IP phones connecting to the Internet through switches. Because the voice service is sensitive to delay and jitter, the priority of voice data flows needs to be increased so that they can be preferentially forwarded when congestion occurs.

Figure 9-5  Applicable scenario of the voice VLAN

Configure a voice VLAN based on the type of voice packets sent by IP phones:
  • Configure MAC address-based voice VLAN when voice packets are untagged or tagged with VLAN 0.
  • Configure VLAN ID-based voice VLAN when IP phones can obtain voice VLAN information on the switch.
Updated: 2019-08-21

Document ID: EDOC1000142081

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