Mls Qos Queue-Set Output Threshold - Cisco Catalyst 3750 Command Reference Manual

mls qos queue-set output threshold

mls qos queue-set output threshold
Use the mls qos queue-set output threshold global configuration command on the switch stack or on
a standalone switch to configure the weighted tail-drop (WTD) thresholds, to guarantee the availability
of buffers, and to configure the maximum memory allocation to a queue-set (four egress queues per
port). Use the no form of this command to return to the default setting.
Syntax Description qset-id
queue-id
drop-threshold1
drop-threshold2
reserved-threshold
maximum-threshold
Defaults
When quality of service (QoS) is enabled, WTD is enabled.
Table 2-9
Table 2-9
Feature
WTD Drop Threshold 1
WTD Drop Threshold 2
Reserved Threshold
Maximum Threshold
Command Modes Global configuration
Command History Release
12.1(11)AX
Catalyst 3750 Switch Command Reference
2-168
mls qos queue-set output qset-id threshold queue-id drop-threshold1 drop-threshold2
reserved-threshold maximum-threshold
no mls qos queue-set output qset-id threshold [queue-id]
ID of the queue-set. Each port belongs to a queue-set, which defines all the
characteristics of the four egress queues per port. The range is 1 to 2.
Specific queue in the queue-set on which the command is performed. The
range is 1 to 4.
Two WTD thresholds expressed as a percentage of the queue's allocated
memory. The range is 1 to 400 percent.
Amount of memory to be guaranteed (reserved) for the queue and expressed
as a percentage of the allocated memory. The range is 1 to 100 percent.
Enable a queue in the full condition to obtain more buffers than are reserved
for it. This is the maximum memory the queue can have before the packets
are dropped. The range is 1 to 400 percent.
shows the default WTD threshold settings.
Default Egress Queue WTD Threshold Settings
Modification
This command was introduced.
Chapter 2
Queue 1 Queue 2
100 percent 50 percent
100 percent 50 percent
50 percent 100 percent
400 percent 400 percent
Catalyst 3750 Switch Cisco IOS Commands
Queue 3 Queue 4
100 percent 100 percent
100 percent 100 percent
50 percent 50 percent
400 percent 400 percent
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