Dell PowerEdge VRTX User Manual

Page 272

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272

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Plasma\User

Guide\Plasma_UGSwitching_Ports.fm

D E L L C O N F ID E N T IA L – P R E L IM I N A RY 4 / 1 8 /1 3 - F O R P R O O F O N LY

Storm protection provides the ability to limit the number of frames entering

the switch, and to define the types of frames that are counted towards this

limit.
When a threshold (limit) is configured on the device, the port discards traffic

when that threshold is reached. The port remains blocked until the traffic rate

drops below this threshold. It then resumes normal forwarding.
To configure Storm Control:

1 Click Switching > Ports > Storm Control in the tree view to display the

Storm Control: Summary page.
Storm control parameters are displayed for all ports on the selected unit.

2 To configure Storm Control on a port, click Edit.
3
Select a port from the Port drop-down list and enter the following fields:

Broadcast Control — Enable/disable forwarding Broadcast packets on

the specific interface.

Broadcast Mode — Select the counting mode. The possible options

are:

Multicast & Broadcast — Counts Broadcast and Multicast traffic

together towards the bandwidth threshold.

Broadcast Only — Counts only Broadcast traffic towards the

bandwidth threshold.

Broadcast Rate Threshold (3500-1000000) — Enter the maximum

rate (Kbits/sec) at which unknown packets are forwarded.

Configuring Storm Control Using CLI Commands

The following table summarizes the CLI commands for configuring Storm

Control as displayed on the Storm Control pages.

Table 8-10. Storm Control CLI Commands

CLI Command

Description

storm-control include-

multicast [unknown-unicast]

no storm-control include-

multicast

Counts Multicast packets in the

Broadcast storm control.
Use the no form of this command to

disable counting of multicast packets in

the Broadcast storm control.

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