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GS752TP, GS728TP, and GS728TPP Gigabit Smart Switches
•Path Cost. Set the Path Cost to a new value for the specified port in the Common
and Internal Spanning Tree. The valid range is 1–200000000.
•Priority. The priority for a particular port within the CST. The port priority is set in
multiples of 16. If you specify a value that is not a multiple of 16, the priority is
automatically set to the next lowest priority that is a multiple of 16. For example, if you
set a value from 0 through 15, the priority is set to 0. If you specify a number from 16
through 31, the priority is set to 16.
•Port ID. The port identifier for the specified port within the CST. It is made up from the
port priority and the interface number of the port.
•Hello Timer. Specifies the switch hello time, which indicates the amount of time in
seconds a port waits between configuration messages. The value is fixed at 2
seconds.
5. Click APPLY to send the updated configuration to the switch.
Configuration changes take place immediately.
CST Port Status
To display Common Spanning Tree (CST) and Internal Spanning Tree on a specific port on
the switch, use the CST Port Status screen.
To display the CST Port Status screen, select Switching STP Advanced CST Port
Status. The following screen displays:
To view CST settings for an interface, click PORTS, LAGS, or All.
The following table describes the CST Status information displayed on the screen.