Allied Telesis AT-S63 - Manual (Page 297)

AT-S63 Management Software Menus Interface User’s Guide
Section II: Advanced Features 297
Configuring the CIST Priority
This procedure explains how to adjust the bridge’s CIST priority.
To change the CIST priority, perform the following procedure:
1. From the Main Menu, type 3 to select Spanning Tree Configuration.
The Spanning Tree Configuration menu is shown in Figure 78 on
page 259.
2. From the Spanning Tree Configuration menu, type 3 to select
Configure Active Protocol.
The MSTP menu is shown in Figure 95 on page 294.
3. From the MSTP menu, type C to select CIST menu.
The CIST menu is shown in Figure 96.
Figure 96. CIST Menu
The CIST Priority field in the menu displays the current value for
this MSTP parameter. This number is used in determining the root
bridge of the network spanning tree. This number is analogous to
the RSTP bridge priority value. The bridge in the network with the
lowest priority number is selected as the root bridge. If two or
more bridges have the same bridge or CIST priority values, the
bridge with the numerically lowest MAC address becomes the
root bridge.
The Associated VLANs field displays the VIDs of the VLANs that are
currently associated with CIST and have not been assigned to a
MSTI.
4. From the CIST menu, type 1 to select Modify CIST Priority.
Allied Telesyn Ethernet Switch AT-9400 Series - AT-S63
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User: Manager 11:20:02 02-Oct-2004
CIST Menu
CIST Priority ............. 32768
Associated VLANs .......... 1,2,4,11
1 - Modify CIST Priority
R - Return to Previous Menu
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