3Com Router 3000 Ethernet Family
Configuration Guide
Caution:
Except for interfaces encapsulated with X.25 or LAPB, all physical interfaces can use
RTPQ.
You can apply RTPQ to a dialer interface. Before that, make sure that the queuing
configuration on its physical interfaces is the default and their bandwidth is adequate.
3.7.2 Configuring Maximum Reserved Bandwidth
This command can set the max reserved bandwidth percentage of the available
bandwidth.
Perform the following configurations in interface view.
Table 3-57 Configure bandwidth limitation
Configure bandwidth limitation
Restore the default value
The percentage argument is the percentage of the reserved bandwidth. It is in the
range of 1 to 100 and the default value is 80.
3.7.3 Displaying and Debugging RTP Priority Queuing Configuration
The following command can display the queue information of the current IP RTP Priority,
including the current RTP queue length and number of RTP packet dropping. It can
display the RTP priority queue configuration and statistics on an interface or on all
interfaces.
Perform the following configuration in any view.
Table 3-58 Display RTP priority queue configuration and statistics on an interface
Display configuration and statistics of
RTP priority queue on an interface
3.7.4 Token Function of QoS
When FTP is used to transfer data, the upper layer protocol such as TCP provides the
flow control function. This can however cause the configuration of CQ and WFQ, if they
Operation
Operation
3Com Corporation
3-36
Chapter 3 Congestion Management
Command
qos reserved-bandwidth pct percentage
undo qos reserved-bandwidth
Command
display
qos
[ interface-type interface-number ]
rtpq
interface