Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 2 Congestion Management Configuration
Commands
3Com Corporation
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destination port use 64Kbps bandwidth. If network convergence happens, the packets
will enter IP RTP Priority queue.
[3Com -Serial1/0/0] qos rtpq start-port 16384 end-port 32767 bandwidth 64
2.7 QoS Token Commands
2.7.1 qmtoken
Syntax
qmtoken token-number
undo qmtoken
View
Interface view
Parameter
token-number: The number of transmitted tokens, in the range 1 to 50.
Description
Use the qmtoken command to configure the number of transmitted tokens.
Use the undo qmtoken command to disable the token function of QoS.
By default, the token function of QoS is disabled.
During an FTP transfer, flow control provided by the upper layer protocol can invalidate
the configuration of QoS queuing. To resolve this problem, the token function of QoS
was introduced into VRP. This function provides a flow control mechanism at the
underlying-layer queuing level. It can control the number of packets sent to the
underlying interface queues based on the number of tokens.
If FTP applies, you are recommended to set the number of tokens sent by an interface
to 1.
 Note:
After you configure this command on an interface, you must perform shutdown and
undo shutdown on the interface to have the function take effect.
So far, this command is supported only by Ethernet, serial, and BRI interfaces.
Example
# Set the number of transmitted tokens to 1.
[Router-Ethernet1/0/0]qmtoken 1