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1826 CHAPTER 115: CBQ CONFIGURATION COMMANDS
Parameters bandwidth: Maximum bandwidth available on an interface, in the range 1 t
o1000000 kbps
Description Use the
queue max-bandwidth command to configure the maximum
bandwidth available on an interface.
Use the
undo queue max-bandwidth command to restore the default.
By default:
For a physical interface, the value is the actual baudrate or speed of the physical
interface;
For logical serial interfaces such as T1/E1 and MFR created by binding the value is
the sum of bandwidth on the channels they are bound to.
For logical interfaces such as Virtual Template and VE, the value is 0 kbps.
n
■ It is recommended that the maximum available bandwidth be smaller than the
actual available bandwidth of physical interface or logical link.
■ Modification of the maximum available bandwidth may trigger CBQ
reconstruction, thus resulting in CBQ’s reallocation of queue width. The
modification of the baudrate or speed of a physical interface, however, does
not trigger this reconstruction process.
■ To apply QoS policies to a logical interface properly, you must use the
shutdown command to shut down all the physical interfaces bound to the
logical interface and then use the undo shutdown command to bring up
these physical interfaces again.
Examples # Configure the maximum bandwidth on the interface Ethernet1/0 to 16 kbps.
<Sysname> system-view
[Sysname] interface ethernet1/0
[Sysname-Ethernet1/0] qos wfq queue-length 100
queue af
Syntax queue af bandwidth { bandwidth | pct percentage }
undo queue af
View Traffic behavior view
Parameters bandwidth: Bandwidth in kbps, in the range 8 to 1000000.
percentage: Percentage of the available bandwidth, in the range 1 to 100.
Description Use the
queue af command to configure the class to perform AF and the
minimum bandwidth used.
Use the
undo queue af command to cancel the configuration.