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Fat AP and Cloud AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
capwap echo

capwap echo

Function

The capwap echo command sets the CAPWAP heartbeat detection interval and the number of CAPWAP heartbeat detections.

The undo capwap echo command restores the default CAPWAP heartbeat detection interval and the number of CAPWAP heartbeat detections.

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

Format

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

undo capwap echo { interval | times }

Parameters

Parameter

Description

Value

interval interval-value

Specifies the CAPWAP heartbeat detection interval, the interval at which two detection packets are sent.

The value is an integer ranging from 20 to 300, in seconds.

times times-value

Specifies the number of CAPWAP heartbeat detections. If no response is received after the specified number of times, the link is considered disconnected.

The value is an integer ranging from 3 to 120.

Views

System view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

As defined by CAPWAP, an RU and a Central AP send handshake packets periodically to maintain the data channel and management channel. If the RU does not receive packets from the Central AP within the heartbeat detection interval, it considers that the link between them is disconnected. Then the RU resets and releases its IP address, and reestablishes a link. If the Central AP does not receive packets from the RU within the heartbeat detection interval, it disconnects the link between the Central AP and the RU and reports an error message to the RU.

Precautions

After the CAPWAP heartbeat detection interval and the number of CAPWAP heartbeat detections are configured, the interval and the number of times for sending Echo packets are configured.

Radio traffic statistics packets are sent and received together with Echo packets.

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.

Example

# Set the CAPWAP heartbeat detection interval to 30s and the number of CAPWAP heartbeat detections to 3.

<Huawei> system-view
[Huawei] capwap echo interval 30 times 3
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Updated: 2019-11-21

Document ID: EDOC1100064352

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