Qtech QSW-8200-28F-AC-DC [4/38] Chapter 1 commands for qos

User Manual

Chapter 1. Commands for QoS 4

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Chapter 1 COMMANDS FOR QOS

1.1 accounting

 Command: accounting

 no accounting

 Function: Set statistic function for the classified traffic.

 Parameter: None.

 Command mode: Policy map configuration mode

 Default: Do not set statistic function.

 Usage Guide: After enable this function, add statistic function to the traffic of the policy

class map. In single bucket mode, the messages can only red or green when passing

policy and printing the information. In dual bucket mode, there are three colors(green,

yellow, red) of messages. Note: In policy-map, accounting does not take effect if only

set internal priority is configured, but there is no policy.

 Example: Count the packets which satisfy c1 rule.

 Switch(config)#policy-map p1

 Switch(Config-PolicyMap-p1)#class c1

 Switch(Config-PolicyMap-p1-Class-c1)#accounting

 Switch(Config-PolicyMap-p1-Class-c1)#exit

 Switch(Config-PolicyMap-p1)#exit

1.2 class

 Command: class <class-map-name> [insert-before <class-map-name>]

 no class <class-map-name>

 Function: Associates a class to a policy map and enters the policy class map mode; the

no command deletes the specified class.

 Parameters: <class-map-name> is the class map name used by the class.

o insert-before <class-map-name> insert a new configured class to the front of a

existent class to improve the priority of the new class.

 Default: No policy class is configured by default.

 Command mode: Policy map configuration mode

 Usage Guide: Before setting up a policy class, a policy map should be created and the

policy map mode entered. In the policy map mode, classification and nexthop

configuration can be performed on packet traffic classified by class map.

 Example: After add a policy class map c1 to the policy map, add a policy class map c2

and insert it to the front of c1.

 Switch(config)#policy-map p1

 Switch(Config-PolicyMap-p1)#class c1

 Switch(Config-PolicyMap-p1-Class-c1)#exit