Users Guide
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.
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.
S4820T
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 slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the 
slot/port information.
Defaults none
Command Modes
• EXEC
• EXEC Privilege
Command History
This guide is platform-specic. For command information about other platforms, refer to the relevant Dell 
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.7(0.0) Introduced on the S6000-ON.
1226
Quality of Service (QoS)










