Allied Telesis AT-S63 - Manual (Page 421)

AT-S63 Management Software Menus User’s Guide
Section V: Spanning Tree Protocols 421
5 - Bridge Identifier
The bridge identifier of the switch. The identifier consists of the switch’s
bridge priority value and MAC address, separated by a slash (/). To
change the switch’s priority value, use option 1, Bridge Priority. The
MAC address of the switch cannot be changed.
6 - Root Bridge
The MAC address of the root bridge of the spanning tree domain. This
value cannot be changed and is only displayed when spanning tree is
activated on the switch.
7 - Root Priority
The priority value on the root bridge of the spanning tree domain. This
parameter is only displayed when spanning tree is enabled on the
switch. To change the priority value on the root bridge, you must start a
management session on the switch which is functioning as the root
bridge and change its bridge priority value.
8 - Root Path Cost
The cost of the path from the current switch to the root switch of the
spanning tree domain. If the current switch is the root switch, root path
cost will be “0”. This value cannot be changed and is only displayed
when RSTP is activated on the switch.
4. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.
5. To change STP port settings, go to the next procedure.
Configuring STP
Port Settings
To adjust STP port parameters, 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 151 on
page 416.
2. From the Spanning Tree Configuration menu, type 3 to select
Configure Active Protocol.
The STP menu is shown in Figure 152 on page 419.
3. From the STP menu, type P to select STP Port Parameters.