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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Creating an Eth-Trunk

Creating an Eth-Trunk

Context

Eth-Trunks increase bandwidth and improve transmission reliability. You can configure Layer 2 and Layer 3 Eth-Trunks based on network applications.

Procedure

  • Create a Layer 2 Eth-Trunk.
    1. Run system-view

      The system view is displayed.

    2. Run interface eth-trunk trunk-id

      A Layer 2 Eth-Trunk is created.

      By default, no Eth-Trunk is created.

  • Create a Layer 3 Eth-Trunk.
    1. Run system-view

      The system view is displayed.

    2. Run interface eth-trunk trunk-id

      By default, no Eth-Trunk is created.

    3. Run undo portswitch

      The Eth-Trunk is configured to work in Layer 3 mode.

      By default, the Eth-Trunk works in Layer 2 mode.

    4. Run ip address ip-address { mask | mask-length } [ sub ]

      An IP address is configured for the Layer 3 Eth-Trunk.

      By default, no IP address is configured for the Layer 3 Eth-Trunk.

    5. (Optional) Run mac-address mac-address

      A MAC address is configured for the Layer 3 Eth-Trunk.

      By default, an Eth-Trunk uses the system MAC address. When the MAC address of the Eth-Trunk and the MAC address of another interface overlap and a MAC address conflict occurs, run this command to configure a MAC address for the Layer 3 Eth-Trunk.

    6. (Optional) Run mtu mtu

      The maximum transmission unit (MTU) of the Eth-Trunk is set.

      The default MTU of an interface is 1500 bytes.

      • The mtu command cannot be used on Layer 2 Eth-Trunks.

      • Directly connected interfaces must use the same MTU. If you change the MTU of a local interface, you must use the mtu command to change the MTU of the remote interface to be the same value; otherwise, services may be interrupted.

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Updated: 2019-04-12

Document ID: EDOC1100041791

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