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display storm-control

Function

The display storm-control command displays information about storm control on an interface.

Format

display storm-control [ interface interface-type interface-number ]

Parameters

Parameter

Description

Value

interface interface-type interface-number

Specifies the type and number of an interface.
  • interface-type specifies the type of the interface.
  • interface-number specifies the interface number.
-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

This command can display the storm control for broadcast, unknown multicast, and unknown unicast packets on the interface, such as packet mode, storm control action, and packet status.

Example

# Display information about storm control on GE0/0/1.

<HUAWEI> display storm-control interface gigabitethernet 0/0/1
PortName     Type      Rate      Mode Action   Punish-  Trap Log Int Last-      
                       (Min/Max)               Status                Punish-Time
--------------------------------------------------------------------------------
GE0/0/1      Multicast 1000      Pps  Block    Normal   Off  On  90  -
                       /2000
GE0/0/1      Broadcast 1000      Pps  Block    Normal   Off  On  90  -
                       /2000
GE0/0/1      Unicast   1000      Pps  Block    Normal   Off  On  90  -
                       /2000
Table 1 Description of the display storm-control command output

Item

Description

PortName

Interface name.

Type

Packet type.

  • Broadcast packets
  • Unknown Multicast packets
  • Unknown Unicast packets

To configure the type of packets on which storm control is performed, run the storm-control command.

Rate

  • Min: lower rate threshold

  • Max: upper rate threshold

To configure the rates, run the storm-control command.

Mode

Storm control mode.

  • Kbps: CIR in kbit/s

  • Pps: packets in pps

  • %: percentage in %

To configure the storm control mode, run the storm-control command.

Action

Storm control action.
  • Block: blocks packets.
  • Err-down: shuts down the interface.
  • None: No action is configured.

To configure a storm control action, run the storm-control action command.

Punish-Status

Status of the interface.
  • Block: When the rate of receiving packets is greater than the value of MaxRate and the storm control action is block, the status of the interface is block.
  • Normal: Packets are normally forwarded.
  • Err-down: When the rate of receiving packets is greater than the value of MaxRate and the storm control action is error-down, the status of the interface is error-down.

Trap

Whether the alarm function for storm control is enabled.
  • on: The alarm function for storm control is enabled.
  • off: The alarm function for storm control is disabled.

To configure the alarm function for storm control, run the storm-control enable trap command.

Log

Whether the log function for storm control is enabled.
  • on: The log function for storm control is enabled.
  • off: The log function for storm control is disabled.

To configure the alarm function for storm control, run the storm-control enable log command.

Int

Interval for detecting storms, in seconds. The default value is 5.

Last-Punish-Time

Last time storm control is performed.

Copyright © Huawei Technologies Co., Ltd.
Copyright © Huawei Technologies Co., Ltd.
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