Allied Telesis AT-S62 - Manual (Page 500)

Chapter 24: Multiple Spanning Tree Protocol
Section IV: Spanning Tree Protocols 500
Regional Root ID
Identifies the regional root for the MSTI by its MAC address.
Path Cost
Specifies the path cost from the bridge to the regional root. If the
bridge is the regional root, the value is 0.
Associated VLANs
Specifies the VIDs of the VLANs that have been associated with
the MSTI ID.
The table does not include the CIST. The table is empty if no MSTI
IDs have been created.
Creating an MSTI
To create an MSTI, do the following:
1. From the MSTI Menu, type 1 to select Create MSTI.
The following prompt is displayed:
Enter the MSTI ID to be created: [1 to 15] ->
2. Enter an ID number for the new MSTI. The range is 1 to 15. You can
create only one MSTI at a time.
The following prompt is displayed:
Enter new priority [the value will be multiplied by
4096] [0 to 15] -> 8
3. Enter a MSTI priority number for the new MSTI. This parameter is used
in selecting a regional root. The range is 0 (zero) to 61,440 in
increments of 4,096, with 0 being the highest priority. For a list of the
increments, refer to Table 10, Bridge Priority Value Increments on
page 457.
The following prompt is displayed:
Enter the list of VLANs to associate with this MSTI:
4. Enter the VIDs of the VLANs you want to associate with this MSTI. You
can specify more than one VLAN at a time (for example, 4,6,11) To
view VIDs, refer to Displaying VLANs on page 538. If you do not want
to associate any VLANs with the MSTI at this time, just press Return.
The MSTI is created by the switch and is activated immediately.
5. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.
Deleting an MSTI
To delete an MSTI, do the following:
1. From the MSTI Menu, type 2 to select Delete MSTI.
The following prompt is displayed:
Enter the MSTI ID to be deleted: [1 to 15] ->