Set flowcontrol, Setting port link traps and link flap detection, Purpose – Enterasys Networks Enterasys D2 D2G124-12P User Manual

Page 123: Commands, Set flowcontrol -19, Purpose -19 commands -19

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set flowcontrol

D-Series CLI Reference 4-19

set flowcontrol

Use this command to enable or disable flow control.

Syntax

set flowcontrol {enable | disable}

Parameters

Defaults

None.

Mode

Switch command, read‐write.

Example

This example shows how to enable flow control:

D2(su)->set flowcontrol enable

Setting Port Link Traps and Link Flap Detection

Purpose

To disable or re‐enable link traps, display link trap status, and to configure the link flapping 
detection function. By default, all ports are enabled to send SNMP trap messages indicating 
changes to their link status (up or down). 

The link flap function detects when a link is going up and down rapidly (also called “link 
flapping”) on a physical port, and takes the required actions (disable port, and eventually send 
notification trap) to stop such a condition. If left unresolved, the “link flapping” condition can be 
detrimental to network stability because it can trigger Spanning Tree and routing table 
recalculation.

Commands

enable | disable

Enables or disables flow control settings.

For information about...

Refer to page...

show port trap

4-20

set port trap

4-20

show linkflap

4-21

set linkflap globalstate

4-23

set linkflap portstate

4-24

set linkflap interval

4-24

set linkflap action

4-25

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