Controlling Link State Changes

About this task

Configure link flap detection to control link state changes on a physical port.

Procedure

  1. In the navigation pane, expand the Configuration > Serviceability > Diagnostics folders.
  2. Click General.
  3. Click the Link Flap tab.
  4. Configure the parameters as required.
  5. Click Apply.

Link Flap Field Descriptions

Use the data in the following table to use the Link Flap tab.

Name

Description

AutoPortDownEnable

Enables or disables Link Flap Detect. If you enable Link Flap Detect, the system monitors the number of times a port goes down during a designated interval. If the number of drops exceeds a specified limit, the system forces the port out-of-service. The default is enabled.

SendTrap

Specifies that a trap is sent if the port is forced out-of-service.

Frequency

Specifies the number of times the port can go down. The default is 20.

Interval

Specifies the interval (in seconds) between port failures. The default is 60.