Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 2 Congestion Management Configuration
Commands
3Com Corporation
2-57
RTP Queuing: (Output queue: Size/Max/Outputs/Discards)
RTPQ: 0/0/0/0
2.6.2 qos reserved-bandwidth
Syntax
qos reserved-bandwidth pct percentage
undo qos reserved-bandwidth
View
Interface view
Parameter
percentage: Percentage of the reserved bandwidth to the available bandwidth. It is in
the range of 1 to 100 and the default value is 80.
Description
Use the qos reserved-bandwidth command to set the maximum reserved bandwidth
percentage.
Use the undo qos reserved-bandwidth command to restore the default value.
Usually the bandwidth configured for the QoS queue is less than 75 percent of the total
bandwidth, considering that part of the bandwidth should be used for controlling
protocol packets, layer 2 frame headers and so on.
Caution should be taken in using this command to the maximum preserved bandwidth.
Related command: qos rtpq.
Example
# Set the maximum reserved bandwidth allocated for RTP priority queue to 80% of the
available bandwidth.
[3Com -Serial1/0/0] qos reserved-bandwidth pct 80
2.6.3 qos rtpq
Syntax
qos rtpq start-port first-rtp-port-number end-port last-rtp-port-number bandwidth
bandwidth [ cbs committed-burst-size ]
undo qos rtpq
View
Interface view