09-ACL and QoS Command Reference

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04-Data buffer commands
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Data buffer commands

burst-mode enable

Use burst-mode enable to enable the Burst feature for a card.

Use undo burst-mode enable to disable the Burst feature for a card.

Syntax

In standalone mode:

burst-mode enable slot slot-number

undo burst-mode enable slot slot-number

In IRF mode:

burst-mode enable chassis chassis-number slot slot-number

undo burst-mode enable chassis chassis-number slot slot-number

Default

The Burst feature is disabled.

Views

System view

Predefined user roles

network-admin

mdc-admin

Parameters

slot slot-number: Specifies a card by its slot number. (In standalone mode.)

chassis chassis-number slot slot-number: Specifies a card on an IRF member device. The chassis-number argument represents the member ID of the IRF member device. The slot-number argument represents the slot number of the card. (In IRF mode.)

Usage guidelines

The Burst feature is especially useful for reducing packet losses under the following circumstances:

·     Broadcast or multicast traffic is intensive, resulting in bursts of traffic.

·     Traffic enters a device from a high-speed interface and goes out of a low-speed interface.

·     Traffic enters a device from multiple same-rate interfaces and goes out of an interface with the same rate.

PEXs in an IRF 3.1 system do not support the Burst feature.

 

Examples

# (In standalone mode.) Enable the Burst feature for slot 1.

<Sysname> system-view

[Sysname] burst-mode enable slot 1

# (In IRF mode.) Enable the Burst feature for slot 1 in chassis 1.

<Sysname> system-view

[Sysname] burst-mode enable chassis 1 slot 1

 

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