DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide
487
Quantized Congestion Notification (QCN) Commands
49-1 clear qcn counters
This command is used to clear QCN counters.
clear qcn counters {all | interface
INTERFACE-ID
[, | -]
Parameters
49-2 qcn
This command is used to enable the QCN functionality. Use the
no
form of this command to disable the QCN
functionality.
qcn enable
no qcn enable
all
Specifies to clears QCN counters on all interfaces.
interface
INTERFACE-ID
[,
| -]
Specifies the interface to clear QCN counters. Valid interfaces are physical interface.
You can specify multiple interfaces, which are separated by “,” (comma) or “ –“
(hyphen). No space before and after the comma or hyphen.
Default
None.
Command Mode
Privileged EXEC Mode.
Command Default Level
Level: 3.
Usage Guideline
You can use this command with the
interface
keyword to clear QCN counters of
CP(s) on the specified interface(s). If the command
clear qcn counters
is issued
with the
all
keyword, the QCN counters of all CP(s) on all interfaces will be cleared.
Example
This example shows how to reset QCN counters on all interfaces.
DXS-3600-32S#clear qcn counters all
DXS-3600-32S#
Parameters
None.
Default
Disabled.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 3.
Usage Guideline
QCN is a form of end-to-end congestion management defined in IEEE 802.1.Qau.
The purpose of QCN is to ensure that congestion is controlled from the sending
device to the receiving device in a dynamic fashion that can deal with changing
bottlenecks. Use this command to enable/disable the QCN functionality.
Example
This example shows how to enable the QCN functionality.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)# qcn enable
DXS-3600-32S(config)#
Example
This example shows how to disable the QCN functionality.
DXS-3600-32S#configure terminal
DXS-3600-32S(config)# no qcn enable
DXS-3600-32S(config)#
Содержание DXS-3600-16S
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