Users Guide

Version Description
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.
clear qos statistics
Clear qos statistics clears statistics from show qos statistics.
Syntax
clear qos statistics interface-name
Parameters
interface-name Enter one of the following keywords:
● For a 1-GigabitEthernet interface, enter the keyword GigabitEthernet then
the slot/port information.
● For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet then the slot/port information.
Defaults none
Command Modes
● EXEC
● EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
Quality of Service (QoS) 1103