Users Guide
Version Description
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 congured using this command
to determine if the packet belongs to that class. This command accesses CLASS-MAP mode, where the
conguration commands include thematch ip and match mac options.
When you create a class map to lter protocol trac for CoPP, you must enter the keyword cpu-qos .
Related Commands
• ip access-list extended — congures an extended IP ACL.
• ip access-list standard — congures a standard IP ACL.
• match ip access-group — congures the match criteria based on the access control list (ACL).
• match ip precedence — identies the IP precedence values as match criteria.
• match ip dscp — congures the match criteria based on the DSCP value.
• match mac access-group — congures a match criterion for a class map based on the contents of the
designated MAC ACL.
• match mac dot1p — congures a match criterion for a class map based on a dot1p value.
• match mac vlan — congures a match criterion for a class map based on VLAN ID.
• service-queue — assigns a class map and QoS policy to dierent queues.
• show qos class-map — views the current class map information.
clear qos statistics
Clear qos statistics clears statistics from show qos statistics.
S3048–ON
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
1186 Quality of Service (QoS)