Configuring Quality of Service 
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S3300 Smart Managed Pro Switch 
Service Configuration
Use the Service Configuration screen to activate a policy on an interface. 
 To attach a DiffServ policy to an interface:
1.  Select QoS > DiffServ > Advanced > Service Configuration.
2.  Select the interfaces to attach to the policy. 
For information about how to select and configure one or more ports and LAGs, see 
Configuring Interface Settings on page 32. 
3.  From the Policy In Name list, select the policy to attach to the interface.
4.  Click the Apply button. 
5.  Click the Cancel button to cancel the configuration on the screen, and reset the data on the 
screen to the latest value of the switch.
 To remove a policy from an interface:
1.  Select the interface(s) on which the policy is to be removed.
2.  From the Policy In Name list, select None.
3.  Click the Apply button. 
4.  Click the Cancel button to cancel the configuration on the screen, and reset the data on the 
screen to the latest value of the switch.
Service Statistics
Use the Service Statistics screen to display service-level statistical information about all 
interfaces that have DiffServ policies attached.
 To display the service statistics screen:
Select QoS > DiffServ > Advanced > Service Statistics. 
The following table describes the information available on the Service Statistics screen.
Table 85.  Service statistics 
Field Description
Interface The interface for which service statistics are to display. 
Direction The direction of packets for which service statistics display, which is always In.
Policy Name The policy associated with the selected interface.
Operational Status The operational status of this service interface, which is either Up or Down.