3Com 10014302 manual qos policy, Description, Example, Syntax, View, Parameter

3Com Router Command Reference Guide Addendum for V1.2

Description

Using qos max-bandwidthcommand, you can set the maximum bandwidth of an interface. Using undo qos max-bandwidthcommand, you can remove the setting of the maximum bandwidth.

By default, the maximum bandwidth is not configured for all interfaces.

The bandwidth set by this command is only a logic value, not the actual bandwidth of an interface. It is suggested that this value not be configured on a common physical interface, as it is only used for CBQ bandwidth calculation. The actual bandwidths of some interfaces, such as virtual template interface, physical interface configured with Line-Rate and DTE interface used for bandwidth negotiation, are unavailable. Therefore this command is usually configured on these interface.

Note: When the actual available bandwidth (the maximum bandwidth multiplied by the percentage of reserved bandwidth) of an interface is smaller than the sum of the bandwidths (including class-related bandwidths of CBQ and the sum of RTP bandwidths) configured by the user, the configuration of enabling CBQ or RTP on the interface will be automatically canceled due to lack of bandwidth. If the configured bandwidth only fits into one of above requirements, the CBQ configuration will be reserved preferentially.

For the related command, see qos reserved-bandwidth.

Example

Set the bandwidth of Virtual-Template 1 to 128kbit/s.

[3Com-Virtual-Template1] qos max-bandwidth 128

1.24 qos policy

Syntax

qos policy policy-nameundo qos policy policy-name

View

System view.

Parameter

policy-name: Policy name.

25