User Guide

User Guide
Broadcast Storm Control Commands: Dell PowerConnect Switch User's Guide

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Broadcast Storm Control Commands:
Dell PowerConnect Switch User's Guide

switchport broadcast 

show interfaces switchport


You can protect your network from broadcast storms by setting a threshold for broadcast traffic for each port. Any broadcast packets exceeding the specified threshold will then dropped. (Broadcast Storm Control is enabled by default.)


switchport broadcast

Use this command to configure broadcast storm control. Use the no form to disable broadcast storm control.

Syntax

switchport broadcast packet-rate rate
no switchport broadcast

rate - Threshold level as a rate; i.e., packets per second.
(Range - PowerConnect 5224: 16, 64, 128, 256; PowerConnect 3248: 500 - 262143)

Default Setting

  • PowerConnect 5224: 256 packets per second
  • PowerConnect 3248: 500 packets per second

Command Mode

Interface Configuration (Ethernet)

Command Usage

  • When broadcast traffic exceeds the specified threshold, packets above that threshold are dropped.
  • This command can enable or disable broadcast storm control for the selected interface. However, the specified threshold value applies to the entire switch.
  • Enabling jumbo frames for the PowerConnect 5224 will limit the maximum threshold for broadcast storm control to 64 packets per second. (See the jumbo frame command.)

Example

The following shows how to configure broadcast suppression at 64 packets per second on port 5:

Console(config)#interface ethernet 1/5
Console(config-if)#switchport broadcast packet-rate 64
Console(config-if)#


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