TRENDnet TI-PG1284i User Manual page 127

TRENDnet User's Guide
Any port that age out STP information (provided in the last BPDU)
becomes the designated port for the attached LAN. If it is a root port, a
new root port is selected from among the Switch ports attached to the
network. The allowed range is 6 to 40 seconds.
This is the time interval in seconds between BPDU (Bridge Protocol Data
Hello Time Units) configuration message generations by the root switch. The
allowed range is 1 to 10 seconds.
Priority is used in determining the root switch, root port and designated
port. The switch with the highest priority (lowest numeric value)
becomes the STP root switch. If all switches have the same priority, the
switch with the lowest MAC address will then become the root switch.
Enter a value from 0~61440.
Priority
The lower the numeric value you assign, the higher the priority for this
bridge.
Priority determines the root bridge, which in turn determines the Root
Hello Time, Root Maximum Age and Root Forwarding Delay.
Path cost is the cost of transmitting a frame on to a LAN through that
Pathcost port. It is recommended to assign this value according to the speed of the
bridge. The slower the media, the higher the cost.
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Port Parameters
Advanced Settings > STP > Port Parameters
Parameter Description
Port Selects a port that you want to configure.
Active Enables/Disables the spanning tree function for the specific port.
Path Cost Configures the path cost for the specific port.
Priority Configures the priority for the specific port.
Edge Port Configures the port type for the specific port. Edge or Non-Edge.
BPDU Filter Enables/Disables the BPDU filter function for the specific port.
BPDU Guard Enables/Disables the BPDU guard function for the specific port.
ROOT Guard Enables/Disables the BPDU root guard function for the specific port.
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