Queue-Limit - Cisco ME 3400 Command Reference Manual
Ethernet access switch
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- Software configuration manual (1138 pages) ,
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queue-limit
queue-limit
Use the queue-limit policy-map class configuration command to set the queue maximum threshold for
weighted tail drop (WTD) in an output policy map. Use the no form of this command to return to the
default.
Syntax Description
cos value
dscp value
precedence value
qos-group value
number-of-packets
[packets]
Defaults
Default queue limit is 160 (256-byte) packets.
Command Modes
Policy-map class configuration
Command History
Release
12.2(25)EX
12.25(SEG)
Usage Guidelines
You use the queue-limit policy-map class command to control output traffic. Queue-limit settings are
not supported in input policy maps.
Beginning with Cisco IOS Release 12.2(35)SE, the switch supports one output policy map for each
interface. However, the limit of three unique queue-limit configurations across all output policy maps
remains in effect You can use the same queue-limit configuration across multiple policy maps.
Cisco ME 3400 Ethernet Access Switch Command Reference
2-344
queue-limit [cos value | dscp value | precedence value | qos-group value] number-of-packets
[packets]
no queue-limit [cos value | dscp value | precedence value | qos-group value] number-of-packets
[packets]
(Optional) Set the parameters for each cost of service (CoS) value. The range
is from 0 to 7.
(Optional) Set the parameters for each Differentiated Services Code Point
(DSCP) value. The range is from 0 to 63.
(Optional) Set the parameters for each IP precedence value. The range is
from 0 to 7.
(Optional) Set the parameters for each quality-of-service (QoS) group value.
The range is from 0 to 99.
Set the maximum threshold for WTD as the number of packets in the queue.
The range is from 16 to 544 and refers to 256-byte packets. The default is
160 packets. The packets keyword is optional.
Note
Modification
This command was introduced.
Support was added to configure the queue-limit in the class-default of an
output policy map.
Chapter 2
Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands
For optimal network performance, we strongly recommend that you
configure the maximum queue-limit to 272 or less.
OL-9640-10
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