General Routing Platform VRP User Manual

About this manual

Chapter 17 of the VRP operation manual describes the control‑flap feature, which limits the frequency of interface up/down events to improve network stability. It provides an overview of the feature, its purpose, and the situations where it should be used.

The chapter details the configuration steps, including prerequisite tasks, data preparation, enabling the feature, verifying the configuration, and maintenance procedures such as clearing running information and debugging the control‑flap function. This manual is written in Chinese.

What's inside

• Control Interface Flap Overview
• Prerequisite Tasks
• Data Preparation
• Enable Control‑Flap Feature
• Check Configuration Result
• Clear Running Information
• Debug Control‑Flap
• Maintenance Procedures

Frequently asked questions

How do you enable the control‑flap feature on an interface?

Enter system view, then the interface view, and run the command `control-flap [suppress reuse penalty decay-ok]`.

How can you clear the control‑flap running information?

In user view, execute the reset command `reset control-flap { penalty | counter }` for the specific interface.

What command is used to check the control‑flap configuration on an interface?

Use the command `display control-flap [interface-type interface-number]` to view the feature configuration and status.

Which interface types do not support the control‑flap feature?

Dialer.BRI, PRI.VT.Logic-channel, Null interface, and Loopback interface do not support control‑flap.