White Papers

Table Of Contents
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, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100-ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100-ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
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.
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.
ip access-list standard configures a standard 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.
match mac access-group configures a match criterion for a class map based on the contents of
the designated MAC ACL.
match mac dot1p configures a match criterion for a class map based on a dot1p value.
match mac vlan configures a match criterion for a class map based on VLAN ID.
service-queue assigns a class map and QoS policy to different queues.
show qos class-map views the current class map information.
1164 Quality of Service (QoS)