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Configuration Guide - Ethernet Switching

S1720, S2700, S5700, and S6720 V200R012(C00 and C20)

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, and Layer 2 protocol transparent transmission.
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Creating a LAG

Creating a LAG


Each LAG has one logical interface, that is, an Eth-Trunk. Before configuring link aggregation, create an Eth-Trunk.


  1. Run system-view

    The system view is displayed.

  2. Run interface eth-trunk trunk-id

    An Eth-Trunk is created and the Eth-Trunk interface view is displayed.

    If the specified Eth-Trunk already exists, this command directly displays the Eth-Trunk interface view.

    trunk-id defines the Eth-Trunk ID. The following is the value range of trunk-id for different models:
    • S1720GFR-TP, S2750EI, S5700LI, S5700S-LI, and S5710-X-LI: 0-63
    • S1720GF, S1720GFR-P, S1720GW, S1720GWR, S1720GW-E, S1720GWR-E, S2720EI, S5720I-SI, S5720SI, S5720LI, S5720S-LI, and S5720S-SI: 0-119
    • S5720EI, S5720HI, S5730HI, S6720EI, S6720HI, and S6720S-EI: 0-127
    • S1720X, S1720X-E, S5730SI, S5730S-EI, S6720SI, S6720S-SI, S6720LI, and S6720S-LI: 0-249

    On the S6720EI, and S6720S-EI, you can run the assign trunk command to set the value, and run the display trunk configuration command to check the configuration.

Updated: 2018-12-24

Document ID: EDOC1100038339

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