Allied Telesis AT-S63 - Manual (Page 578)

Chapter 24: Multiple Spanning Tree Protocol
578 Section V: Spanning Tree Protocols
Enter the MSTI ID to be modified: [1 to 15] ->
5. Enter the MSTP IDs that you want to modify. The range is 1 to 15. You
can specify only one MSTI ID at a time.
The following prompt is displayed:
Enter new priority [the value will be multiplied by 4096]
[0 to 15] -> 8
6. Enter a new MSTI priority number for this MSTI on the bridge. This
parameter is used in selecting a regional root for the MSTI. The range
is 0 (zero) to 61,440 in increments of 4,096, with 0 being the highest
priority. This parameter is used in selecting a regional root for the
MSTI. For a list of the increments, refer to Table 10, “Bridge Priority
Value Increments” on page 527.
7. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.