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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

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 Are Directly Connected Using Link Aggregation

Switches Are Directly Connected Using Link Aggregation

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

Figure 3-13  Link aggregation networking

You can determine the working mode for the Eth-Trunk according to the following situations:

  • If devices at both ends of the Eth-Trunk support LACP, the LACP mode is recommended.

  • If the device at either end of the Eth-Trunk does not support LACP, you must use the manual mode.

QoS can be implemented on an Eth-Trunk as a common interface. At both ends (UPE and PE-AGG) of Eth-Trunk 1, traffic shaping, congestion management, and congestion avoidance can be performed for outgoing traffic, ensuring that packets of high priorities are sent in a timely manner.

Updated: 2019-10-18

Document ID: EDOC1000178310

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