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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).
min-tx-interval

min-tx-interval

Function

The min-tx-interval command sets the minimum interval for sending BFD packets.

The undo min-tx-interval command restores the default minimum interval for sending BFD packets.

By default, the minimum interval for sending BFD packets is 30 ms.

Format

min-tx-interval interval

undo min-tx-interval

Parameters

Parameter

Description

Value

interval

Specifies the minimum interval for sending BFD packets.

The value is an integer that ranges from 10 to 2000, in milliseconds.

Views

BFD session view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

The local detection multiplier determines the detection time of a BFD session.

Detection time = Received Detect Multi of the remote system x Max (Local RMRI/Received DMTI)

where
  • Detect Multi: local detection multiplier, which is set by using the detect-multiplier command
  • Required Min Rx Interval (RMRI): minimum interval for receiving BFD packets, which is set by using the min-rx-interval command
  • Desired Min Tx Interval (DMTI): minimum interval for sending BFD packets, which is set by using the min-tx-interval command

Precaution

  • You can increase or reduce the minimum interval for sending BFD packets based on actual networking. The minimum interval for sending BFD packets determines the detection time of a BFD session. On an unstable link, if the minimum interval for sending BFD packets is small, the BFD session may flap. You can increase the minimum interval for sending BFD packets. The default value is recommended. Do not randomly change the minimum interval for sending BFD packets.

  • If no BFD packet is received from the peer device within the detection time, the link is considered as faulty and the BFD session enters the Down state. To reduce the usage of system resources, when the BFD session is detected in Down state, the system adjusts the sending interval to a random value greater than 1000 ms. When the BFD session becomes Up, the configured interval is restored.

Example

# Set the minimum interval for sending BFD packets to 500 ms.

<Huawei> system-view
[Huawei] bfd session
[Huawei-bfd-session-session] min-tx-interval 500
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Updated: 2019-11-21

Document ID: EDOC1100064352

Views: 199156

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