Scenario details: Creating the differentiated service policy

This topic contains information about creating the differentiated service policy.

1. In iSeries™ Navigator, expand your system > Network > IP Policies.

2. Right-click Quality of Service and select Configuration to open the quality of service (QoS) Server Configuration window.

3. On the QoS Server Configuration window, right-click DiffServ and select New Policy to open the wizard.

4. Read the Welcome page and click Next to go to the Name page.

5. In the Name field, enter VPN and click Next. Optionally, you can enter a description to help you remember the intent of this policy.

6. On the Clients page, select Specific address or addresses and click New to define your client.

7. On the New client window, enter the following information:

   • Name: VPN_Client

   • IP address: 192.83.63.1

   • Click OK to create the client and return to the differentiated service wizard.

   After you click OK, you return to the policy wizard. If you have created clients previously, click them and verify that only relevant clients are selected.

8. On the Server Data Request page, verify that Any token and All priorities are selected.

9. On the Applications page, verify that All ports and All are selected.

10. Click Next.

11. On the Local IP address page, accept the default value and click Next.

12. On the Differentiated Class of Service page, click New to define performance characteristics. The New Class of Service wizard opens.

13. Read the Welcome page and click Next.

14. On the Name page, enter EF_VPN.

15. On the Type of Service page, select Outbound only and click Next. This class of service is only used for outbound policies.

16. On the Outbound DiffServ Codepoint Marking page, select Class 3. A per-hop behavior determines what performance this traffic receives from routers and other systems on the network. Use the Help associated with the interface to assist in your decision.

17. On the Perform Outbound Traffic Metering page, verify that Yes is selected and click Next.

18. On the Outbound Rate Control Limits page, enter the following information and click Next:

    • Token bucket size: 100 Kilobits

    • Average rate limit: 64 Megabits per second

    • Peak rate limit: Do not limit

19. On the Outbound Out-of-Profile Traffic page, select Drop UDP packets or reduce TCP congestion window and click Next.

20. See the Class of Service summary page and click Finish to return to the policy wizard.

21. On the Differentiated Class of Service page, verify that EF_VPN is selected and click Next.

22. On the Schedule page, select Active during selected schedule and click New.

23. On the Add New Schedule window, enter the following information and click OK:

    • Name: FirstShift

    • Time of day: Active at the specific times and add 9:00 a.m. to 5:00 p.m..

    • Day of week: Active on the specific days and select Monday through Friday

24. On the Schedule page, click Next.

25. See the summary information. If accurate, click Finish to create the policy. The QoS Server Configuration window lists all the policies created on the system. After you complete the wizard, the policy is listed in the right pane.

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