Administrator Guide

Usage
Information
The unit of bandwidth percentage is 1%. If the sum of the bandwidth percentages given to all eight
classes exceeds 100%, the bandwidth percentage automatically scales down to 100%.
Related
Commands
qos-policy-output — creates a QoS output policy.
class-map
Create/access a class map. Class maps differentiate traffic so that you can apply separate quality-of-service policies to each
class.
Z9000
Syntax
class-map {match-all | match-any} class-map-name [cpu-qos] [layer2]
Parameters
match-all Determines how packets are evaluated when multiple match criteria exist. Enter
the keywords match-all to determine that the packets must meet all the match
criteria in order to be a member of the class.
match-any Determines how packets are evaluated when multiple match criteria exist. Enter
the keywords match-any to determine that the packets must meet at least one of
the match criteria in order to be a member of the class.
class-map-name Enter a name of the class for the class map in a character format (32 character
maximum).
cpu-qos Enter the keyword cpu-qos to assign this Class Map to control plane traffic only
(CoPP).
layer2 Enter the keyword layer2 to specify a Layer 2 Class Map. The default is Layer 3.
Defaults Layer 3
Command Modes CONFIGURATION
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Class-map names can be 32 characters. Layer2 available on the C-Series and S-
Series.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
7.4.1.0 E-Series Only: Expanded to add support for Layer 2.
Usage
Information
Packets arriving at the input interface are checked against the match criteria and configured using this
command to determine if the packet belongs to that class. This command accesses CLASS-MAP mode,
where the configuration commands include thematch ip and match mac options.
Related
Commands
ip access-list extended — configures an extended IP ACL.
ip access-list standard — configures a standard IP ACL.
Quality of Service (QoS) 1005