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S5720HI V200R010C00 Configuration Guide - WLAN-AC

This document describes native AC (hereinafter referred to as WLAN AC) configuration procedures and provides configuration examples.

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Configuring Revertive Switchover

Configuring Revertive Switchover


After an active/standby AC switchover, the standby AC replaces the active AC and sets up a CAPWAP link with the AP to provide services. The AP periodically sends Primary Discovery Request packets to detect active AC status. If revertive switchover is enabled on the standby AC, the AP triggers a revertive switchover when it detects that the active AC recovers. The AP disconnects from the current AC and sets up a new CAPWAP link with the active AC. Resources on the standby AC are released and the standby AC then continues to provide backup services.

Revertive switchover needs to be enabled only on the standby AC.


  1. Run:


    The system view is displayed.

  2. Run:


    The WLAN view is displayed.

  3. Run:

    undo ac protect restore disable

    Revertive switchover is enabled.

    By default, global revertive switching is enabled.

    If revertive switchover is disabled on the standby AC, traffic of an AP cannot be switched back to the original active AC even when the link between the original active AC and the AP restores.

Updated: 2019-12-28

Document ID: EDOC1000141952

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