Allied Telesis AT-S25 - Manual (Page 45)

AT-S25 Version 1.4 User’s Guide
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4. To enable or disable STP for all the ports on the switch, select either
Enable Spanning Tree for all Ports or Disable Spanning Tree for all Ports.
If you enable STP, the Omega interface sets the port priority to the
default value of 128 for each port. For port cost, the default values
are 100 for a 10 Mbps port, 10 for a 100 Mbps port, and 1 for a 1
Gbps port.
5. To enable or disable STP for a particular port or to change the STP port
values, select the port.
The STP Port Parameters window in Figure 11 is displayed.
Figure 11 STP Port Parameters Window
If STP is already activated on the port, the port’s STP parameters
are also displayed, as shown in Figure 12.
Figure 12 Setting Port STP Parameters Window
6. To enable STP on the port, select Enable Spanning Tree. To disable STP
on the port, select Disable Spanning Tree. If you enable STP, the STP
parameters for the port are displayed.