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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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Switches Directly Connected Through Link Aggregation

Switches Directly Connected Through Link Aggregation

In Figure 3-13, traffic of services with different priorities is sent to the core network through the UPE and PE-AGG. Eth-Trunk 1 is established to ensure the bandwidth and reliability of the link between the UPE and PE-AGG.

Figure 3-13  Link aggregation networking

If devices at both ends of the Eth-Trunk support LACP, LACP mode is recommended; otherwise, you must use manual mode.

QoS can be implemented on an Eth-Trunk as a common interface. This allows for traffic shaping, congestion management, and congestion avoidance on outgoing traffic at both ends (UPE and PE-AGG) of Eth-Trunk 1, ensuring that high-priority packets are sent promptly.

Updated: 2019-08-21

Document ID: EDOC1000142081

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