Administrator Guide

Version Description
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 congured using this command
to determine if the packet belongs to that class. This command accesses CLASS-MAP mode, where the
conguration commands include thematch ip and match mac options.
When you create a class map to lter protocol trac for CoPP, you must enter the keyword cpu-qos .
Related Commands
• ip access-list extended — congures an extended IP ACL.
• ip access-list standard — congures a standard IP ACL.
• match ip access-group — congures the match criteria based on the access control list (ACL).
• match ip precedence — identies the IP precedence values as match criteria.
• match ip dscp — congures the match criteria based on the DSCP value.
• match mac access-group — congures a match criterion for a class map based on the contents of the
designated MAC ACL.
• match mac dot1p — congures a match criterion for a class map based on a dot1p value.
• match mac vlan — congures a match criterion for a class map based on VLAN ID.
• service-queue — assigns a class map and QoS policy to dierent 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
1266 Quality of Service (QoS)