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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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Adding an Eth-Trunk to an E-Trunk

Adding an Eth-Trunk to an E-Trunk


After you configure an E-Trunk, add Eth-Trunks to the E-Trunk. Then the E-Trunk implements backup of LAGs between the two member devices to enhance network reliability.


  1. Run system-view

    The system view is displayed.

  2. Run interface eth-trunk trunk-id

    The Eth-Trunk interface view is displayed.

    Only Eth-Trunks in LACP mode can be added to an E-Trunk.

  3. Run e-trunk e-trunk-id [ remote-eth-trunk eth-trunk-id ]

    The Eth-Trunk is added to an E-Trunk.

    An Eth-Trunk can be added to only one E-Trunk.

    The IDs of the Eth-Trunks added to an E-Trunk can be different on two E-Trunk member devices. In this case, you must specify the remote-eth-trunk parameter to enable the E-Trunk to work normally.

Updated: 2018-12-24

Document ID: EDOC1100038339

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