Allied Telesis AT-S63 - Manual (Page 325)

AT-S63 Management Software Web Browser Interface User’s Guide
Section IV: Spanning Tree Protocols 325
Revision Level
The revision level of an MSTP region. This is an arbitrary number that
you assign to a region. The revision level must be the same on all
bridges in a region. Different regions can have the same revision level
without conflict. The range is 0 (zero) to 255.
5. Click Apply.
6. From the Configuration menu, select the Save Config option to
permanently save your changes. (This option is not displayed if there
are no changes to save.)
Or, proceed to the next procedure to configure the CIST priority.
Configuring the
CIST Priority
To configure the CIST priority, perform the following procedure:
1. From the home page, select Configuration.
The Configuration System page is displayed with the General tab
selected by default, as shown in Figure 5 on page 38.
2. From the Configuration menu, select the Layer 2 option.
The Layer 2 page is displayed with the MAC Address tab selected by
default, as shown in Figure 25 on page 94.
3. Select the Spanning Tree tab.
The Spanning Tree tab is shown in Figure 124 on page 303.
4. Click Configure.
The expanded MSTP Spanning Tree tab is shown in Figure 136 on
page 323.
5. In the Configure CIST Parameters section, set the CIST Priority, the
priority number for the bridge.
This number is used to determine the root bridge of the bridged
network. 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.
6. Click Apply.
7. From the Configuration menu, select the Save Config option to
permanently save your changes. (This option is not displayed if there
are no changes to save.)