Reference Guide

1220 | Quality of Service (QoS)
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Usage
Information
The unit of bandwidth percentage is 1%. A bandwidth percentage of 0 is allowed and will
disable the scheduling of that class. If the sum of the bandwidth percentages given to all eight
classes exceeds 100%, the bandwidth percentage will automatically scale down to 100%.
Related
Commands
bandwidth-weight
c s
Assign a priority weight to a queue.
Syntax
bandwidth-weight weight
To remove the bandwidth weight, use the no bandwidth-weight command.
Parameters
Defaults
No default behavior or values
Command Modes
CONFIGURATION (conf-qos-policy-out)
Command
History
Usage
Information
This command provides a minimum bandwidth guarantee to traffic flows in a particular
queue. The minimum bandwidth is provided by scheduling packets from that queue a certain
number of times relative to scheduling packets from the other queues using the Deficit Round
Robin method.
Note: This command is not available on the S4810 or S4820T. Use the command
bandwidth-percentage.
Related
Commands
class-map
c e s
Create/access a class map. Class maps differentiate traffic so that you can apply separate
quality of service policies to each class.
Syntax
class-map {match-all | match-any} class-map-name [layer2]
qos-policy-output Create a QoS output policy.
weight
Enter the weight assignment to queue.
Range: 1 to 1024 (in increments of powers of 2: 2, 4, 8, 16, 32, 64,
128, 256, 512, or 1024)
Version 7.7.1.0 Introduced on S-Series
Version 7.6.1.0 Introduced on C-Series
qos-policy-output Create a QoS output policy.