Users Guide

Version Description
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 extendedcongures an extended IP ACL.
ip access-list standardcongures a standard IP ACL.
match ip access-groupcongures the match criteria based on the access control list (ACL).
match ip precedenceidenties the IP precedence values as match criteria.
match ip dscpcongures the match criteria based on the DSCP value.
match mac access-groupcongures a match criterion for a class map based on the contents of the
designated MAC ACL.
match mac dot1pcongures a match criterion for a class map based on a dot1p value.
match mac vlancon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.
Syntax
clear qos statistics interface-name
Parameters
interface-name Enter one of the following keywords:
For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then
the stack/slot/port/subport information.
For a 25-Gigabit Ethernet interface, enter the keyword twentyFiveGigE then the
stack/slot/port/subport information.
For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the stack/
slot/port[/subport] information.
For a 50-Gigabit Ethernet interface, enter the keyword fiftyGigE then the stack/
slot/port/subport information.
For a 100-Gigabit Ethernet interface, enter the keyword hundredGigE then the
stack/slot/port information.
Defaults none
Command Modes
EXEC
EXEC Privilege
Quality of Service (QoS) 1267