3Com MSR 50 117, QOS Token Configuration Commands, Qos qmtoken token-number, Undo qos qmtoken

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117

QOS TOKEN CONFIGURATION

COMMANDS

qos qmtoken

Syntax	qos qmtoken token-number
	undo qos qmtoken
View	Interface view
Parameters	token-number: The number of transmitted tokens, in the range 1 to 50.
Description	Use the qos qmtoken command to configure the number of transmitted tokens.
	Use the undo qos qmtoken command to disable the token transmission
	function of QoS.
	By default, the 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
	transmission function of QoS was introduced. 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.
n	■ 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.
Examples	# Set the number of transmitted tokens to 1.
	<Sysname> system-view
	[Sysname] interface serial 2/0
	[Sysname-Serial2/0] qos qmtoken 1