# Configure a Network Class of Service

To create or modify an NCOS by adding and deleting network messaging features:

1. From the Main Menu, select (S) System Maintenance, (R) Reconfiguration, and then
   (N) Network COS.

2. Select (C) Current NCOS and enter the number (1-64) of the NCOS that you want to create or modify.

3. Select (N) Name NCOS and enter a descriptive name for the NCOS, possibly one that describes the NCOS user group.

4. If you want to view the networking features that you can add to an NCOS, press (H) Help NCOS.

5. Select (A) Add features.

6. At the Feature to add prompt, enter the numbers (1-12) of the NCOS features that you want to add. You can enter an individual feature number, a comma-separated list, or a range, such as 2-4.

7. If you want, you can view the NCOS to verify your work. Press (R) Report NCOS and enter the number of the NCOS you created. The system displays the NCOS information.

8. If necessary, make further changes to the NCOS by adding or deleting features. When you are finished, exit to the System Configuration Menu to save your work.