4000 Router Series ACL and QoS Command Reference

• The bandwidth assigned to AF and EF in a policy must use the same form, either as an absolute

bandwidth value or as a percentage.

Examples

# Configure AF in traffic behavior database and assign the minimum guaranteed bandwidth 200 kbps

to it.

<Sysname> system-view

[Sysname] traffic behavior database

[Sysname-behavior-database] queue af bandwidth 200

Related commands

• display qos queue cbq interface

• traffic behavior

queue ef

Use queue ef to configure expedited forwarding (EF) and assign its maximum bandwidth.

Use undo queue ef to delete the configuration.

Syntax

queue ef bandwidth { bandwidth [ cbs burst ] | pct percentage [ cbs-ratio ratio ] }

undo queue ef

Default

EF is not configured.

Views

Traffic behavior view

Predefined user roles

network-admin

Parameters

bandwidth: Specifies the bandwidth in the range of 8 to 10000000 kbps.

cbs burst: Sets the CBS in the range of 32 to 1000000000 bytes. The default is bandwidth × 25.

pct percentage: Specifies the percentage of the available bandwidth. The value range for this argument

is 1 to 100.

cbs-ratio ratio: Sets the allowed burst ratio in the range of 25 to 500. This default is 25.

Usage guidelines

You cannot use the command in conjunction with the queue af command or the queue-length command.

In a policy, the default class cannot be associated with the traffic behavior that has the queue ef

command.

The total bandwidth assigned to AF and EF in a policy must be no more than the maximum available

bandwidth of the interface where the policy is applied.

The total percentage of the maximum available bandwidth assigned to AF and EF in a policy must be no

more than 100.

The bandwidths assigned to AF and EF in a policy must have the same type, bandwidth or percentage.