Edimax Technology ES-5224RFM, ES-5224REM, ES-5224RM, ES-3124REM user manual Time

Parameter	Description
Priority	You can change priority value, A value used to identify the root bridge. The
	bridge with the lowest value has the highest priority and is selected as the
	root. Enter a number 1 through 65535.
Max Age	You can change Max Age value, The number of seconds a bridge waits
	without receiving Spanning-Tree Protocol configuration messages before
	attempting a reconfiguration. Enter a number 6 through 40.
Hello Time	You can change Hello time value, the number of seconds between the
	transmission of Spanning-Tree Protocol configuration messages. Enter a
	number 1 through 10.
Forward Delay	You can change forward delay time, The number of seconds a port waits
	before changing from its Spanning-Tree Protocol learning and listening
Time	states to the forwarding state. Enter a number 4 through 30.

4.The following parameter can be configured on each port, click Apply button to modify.

Parameter	Description
Port Priority	You can make it more or less likely to become the root port, the rage is
	0-255,default setting is 128 the lowest number has the highest priority.
Path Cost	Specifies the path cost of the port that switch uses to determine which port
	are the forwarding ports the lowest number is forwarding ports, the rage is
	1-65535 and default value base on IEEE802.1D
	10Mb/s = 50-600 100Mb/s = 10-60 1000Mb/s = 3-10

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