Fault-finder link-flap

Syntax

In the config context: 


no fault-finder link-flap [ethernet] PORT-LIST action warn | warn-and-disable SECONDS sensitivity low | medium | high

Description

Configures the link-flap on a port. The default value is warn.

Parameters

link-flap

Configure link-flap control.

warn

Log the event only.

warn-and-disable

Log the event and disable the port.

seconds

Re-enable the port after waiting for the specified number of seconds. The default value is 0, which indicates that the port will not be automatically enabled.

sensitivity
Indicate the sensitivity of the link-flap control threshold within a 10-second interval.

  • Low indicates 10 link-flaps.

  • Medium indicates 6 link-flaps.

  • High indicates 3 link-flaps.

Parameters

action

Configure the action taken when a fault is detected.

ethernet PORT-LIST

Enable link-flap control on a list of ports.

warn

Warn about faults found.

warn-and-disable

Warn and disable faulty component.

seconds

Configure the number of seconds for which the port remains disabled. A value of 0 means that the port will remain disabled until manually re-enabled.

sensitivity

Configure the fault sensitivity level.

low

Low sensitivity.

medium

Medium sensitivity

high

High sensitivity.

Subcommand Syntax 


no fault-finder link-flap ethernet PORT-LIST

Description

To remove the current configuration of link-flap on a port

Usage

Enable a linkFault-Finder check and set parameters for it. These commands may be repeated to enable additional checks. The default sensitivity is medium and the default action is warn. 


no fault-finder all | fault sensitivity low | medium | high action warn | warn-and-disable


no fault-finder link-flap sensitivity low | medium | high action warn | warn-and-disable


no fault-finder link-flap PORT-LIST action warn | warn-and-disable SECONDS sensitivity low | medium | high

Configure ports for link-flap detection with high sensitivity

Configure ports A1 to A5 for link-flap detection with sensitivity of high (3 flaps over 10s) and to log and disable port for 65535s if the link-flap threshold is exceeded. 

switch(config)# fault-finder link-flap ethernet A1-A5 action warn-and-disable 65535 
sensitivity high

Configure ports for link-flap detection with medium sensitivity

Configure ports A8 for link-flap detection with sensitivity of medium (6 flaps over 10s) and to log and disable port if the link-flap threshold is exceeded. User will need to re-enable the port if disabled. 

switch(config)# fault-finder link-flap ethernet A8 action warn-and-disable 0 sensitivity medium

Configure ports for link-flap detection with low sensitivity

Configure ports A22 for link-flap detection with sensitivity of low (10 flaps over 10s) and to log if the link-flap threshold is exceeded 

switch(config)# fault-finder link-flap ethernet A22 action warn sensitivity low

Disable link-flap detection

Disable link-flap detection for port A5 

switch(config)# no fault-finder link-flap ethernet A5