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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 T
imer. 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 APPL
Y 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.