LevelOne GES-1650 - Manual (Page 51)

Web Smart Switch
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As a general rule:
Note: 2 * (Forward Delay – 1) >= Max Age >= 2 * (Hello Time + 1)
Max Age Set the time any switch should wait before trying to change the STP
topology after unhearing Hello BPDU.
Tx Hold Count Set the Transmit Hold Count used to limit BPDU transmission rate. Enter
a number between 1 and 10 as the Tx hold count.
Hello Time Set the interval between periodic transmissions of BPDU by Designated
Ports.
This is the time interval (in seconds) at which the root switch transmits a
configuration message. The root bridge determines Hello Time, Max Age
and Forward Delay.
Apply Click Apply to save your changes to the switch.
3.3.9.2 STP Port Setting
Click Switching > STP > STP Port Setting.
The following table describes the labels in this screen.
LABEL DESCRIPTION
Port Select Select the port(s) to change spanning tree protocol settings for.
External Path cost is the cost of transmitting a frame on to a LAN through that port. It is