Allied Telesis AT-S60 - Manual (Page 516)

AT-S60 Management Software User’s Guide
Section IV: Web Browser Management 515
Configuring
MSTP Port
Parameters
To configure MSTP port parameters, perform the following procedure:
1. Perform Steps 1 through 4 in the procedure Configuring MSTP
Parameters on page 507 to display the expanded Spanning Tree
page for MSTP.
2. In the diagram of the switch at the bottom of the MSTP Spanning Tree
Expanded page, click the ports you want to configure. You can select
more than one port at a time.
3. Click Configure.
The MSTP Port Settings page is displayed as shown in Figure 191.
Figure 191 MSTP Port Settings Page
4. Adjust the parameters as needed. The parameters are described
below.
Port Priority
This parameter is used as a tie breaker when two or more ports are
determined to have equal costs to the regional root bridge. The
range is 0 to 240 in increments of 16. The default value is 8 (priority
value is 128). For a list of the increments, refer to Table 7, Port
Priority Value Increments on page 189.
Port Internal Path Cost
The port cost of the port if the port is connected to a bridge which
is part of the same MSTP region. The range is 0 to 200,000,000. The
default setting is Auto-detect, which sets port cost depending on
the speed of the port. Default values are 2,000,000 for 10 Mbps
ports, 200,000 for a 100 Mbps ports, and 20,000 for one gigabit
ports.