TP-Link TL-SG5426 User Guide - Page 434

4 Quality of Service Commands Table 4-66 Quality of Service Commands Command Function Mode class-map Creates a class map for a type of traffic GC match Defines the criteria used to classify traffic CM policy-map Creates a policy map for multiple interfaces GC class Defines a traffic classification for the policy to act on PM set Classifies IP traffic by setting a CoS, DSCP, or IP-precedence PM-C value in a packet police Defines an enforcer for classified traffic PM-C service-policy Applies a policy map defined by the policy-map command to IC the input of a particular interface show class-map Displays the QoS class maps which define matching criteria PE used for classifying traffic show policy-map Displays the QoS policy maps which define classification PE criteria for incoming traffic, and may include policers for bandwidth limitations show policy-map interface Displays the configuration of all classes configured for all PE service policies on the specified interface Page 4-194 4-194 4-195 4-196 4-197 4-198 4-199 4-199 4-200 4-200 To create a service policy for a specific category of ingress traffic, follow these steps: 1. Use the class-map command to designate a class name for a specific category of traffic, and enter the Class Map configuration mode. 2. Use the match command to select a specify type of traffic based on an access list, a DSCP or IP Precedence value, or a VLAN. 3. Set an ACL mask to enable filtering for the criteria specified in the match command. 4. Use the policy-map command to designate a policy name for a specific manner in which ingress traffic will be handled, and enter the Policy Map configuration mode. 5. Use the class command to identify the class map, and enter Policy Map Class configuration mode. A policy map can contain multiple class statements. 6. Use the set command to modify the QoS value for matching traffic class, and use the policer command to monitor the average flow and burst rate, and drop any traffic that exceeds the specified rate, or just reduce the DSCP service level for traffic exceeding the specified rate. 7. Use the service-policy command to assign a policy map to a specific interface. Notes: 1. You can configure up to 16 rules per Class Map. You can also include multiple classes in a Policy Map. 2. You should create a Class Map (page 4-194) before creating a Policy Map (page 4-195). Otherwise, you will not be able to specify a Class Map with the class command (page 4-196) after entering Policy-Map Configuration mode. 4-193