Reference Guide

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).
layer2 Enter the keyword layer2 to specify a Layer 2 Class Map.
The default is Layer 3.
cpu-qos Enter the keyword cpu-qos to create a class map to filter
protocol traffic for rate-limiting control-plane traffic (CoPP).
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
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
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.
When you create a class map to filter protocol traffic for CoPP, you must enter the
keyword cpu-qos.
Related
Commands
• ip access-list extended — configures an extended IP ACL.
• match ip access-group — configures the match criteria based on the access
control list (ACL).
• match ip precedence — identifies the IP precedence values as match criteria.
• match ip dscp — configures the match criteria based on the DSCP value.
Quality of Service (QoS)
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