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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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(Optional) Configuring CAPWAP Heartbeat Detection

(Optional) Configuring CAPWAP Heartbeat Detection


As defined by CAPWAP, an AP and AC periodically exchange packets to maintain connectivity of the data channel and management channel. If the AP or AC does not receive any response from each other after CAPWAP heartbeat packets are sent for the specified number of times, the AP and AC consider the link between them disconnected.

Perform the following configurations on the active and standby ACs:


  1. Run:


    The system view is displayed.

  2. Run:

    capwap echo { interval interval-value | times times-value } *

    The CAPWAP heartbeat detection interval and number of heartbeat packet transmissions are configured.

    By default, the CAPWAP heartbeat detection interval is 25s and the number of CAPWAP heartbeat detections is 6.

    By default, If dual-link backup is enabled, the CAPWAP heartbeat detection interval is 25s and the number of CAPWAP heartbeat detections is 3.


    If you set the CAPWAP heartbeat detection interval and the number of CAPWAP heartbeat detections smaller than the default values, the CAPWAP link reliability is degraded. Exercise caution when you set the values. The default values are recommended.

Updated: 2019-12-28

Document ID: EDOC1000141952

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