Switch Configuration Screen6H128-08 and 6H129-08 User’s Guide5-655.18.1 Setting the STAThe Spanning Tree Algorithm (STA) setting allows the user to set themethod that the switches use to decide which is the controller (Root)switch when two or more switches are in parallel. The available selectionsare IEEE, DEC, and NONE.To set the STA, proceed as follows:1. Use the arrow keys to highlight the Type of STA field.2. Use the SPACE bar to step to the appropriate setting (IEEE, DEC, orNONE).3. Use the arrow keys to highlight the SAVE command at the bottom ofthe screen.4. Press ENTER. The message “SAVED OK” is displayed.5.18.2 Setting the Age TimeTo set the Age Time, proceed as follows:1. Use the arrow keys to highlight the Age Time field.2. Enter the desired Age Time in increments of 10. The available AgeTime range is 10 seconds to 1,000,000 seconds with the default valuebeing 300 seconds. Press RETURN to change the field.3. Use the arrow keys to highlight the SAVE command at the bottom ofthe screen.4. Press ENTER. The message “SAVED OK” is displayed.
