Allied Telesis AT-S62 - Manual (Page 503)

AT-S62 Management Software Menus Interface User’s Guide
Section IV: Spanning Tree Protocols 503
When you select a value for maximum age, observe the following
rules:
MaxAge must be greater than (2 x (HelloTime + 1))
MaxAge must be less than (2 x (ForwardingDelay - 1))
6 - Bridge Identifier
The bridge identifier of the switch. The identifier consists of the switch’s
bridge priority value and MAC address. The values are separated by a
slash (/). To change the switch’s priority value, use option 2, Bridge
Priority. The MAC address of the switch cannot be changed.
7 - Root Bridge
The MAC address of the root bridge of the spanning tree domain. This
value cannot be changed and is only displayed when RSTP is
activated on the switch.
8 - Root Priority
The priority value on the root bridge of the spanning tree domain. This
parameter is only displayed when RSTP is enabled on the switch. To
change the priority value on the root bridge, you must start a
management session on the switch functioning as the root bridge and
change its bridge priority value.
9 - 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.
3. After making changes, type R until you return to the Main Menu. Then
type S to select Save Configuration Changes.
Configuring
RSTP Port
Settings
To adjust RSTP port parameters, perform the following procedure:
1. From the Spanning Tree Configuration menu, type 3 to select STP
Configuration.
The STP Menu is shown in Figure 164 on page 495.
2. From the STP Menu, type P to select RSTP Port Parameters.