Milan Technology MIL-SM8002TG - Manual (Page 152)

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RSTP System Configuration interface
RSTP Per Port Configuration
You can configure path cost and priority of every port.
8. Select the port in Port column.
1. Path Cost: The cost of the path to the other bridge from this transmitting bridge at the
specified port. Enter a number 1 through 200000000.
2. Priority: Decide which port should be blocked by priority in LAN. Enter a number 0
through 240. The value of priority must be the multiple of 16.
3. P2P: Some of the rapid state transactions that are possible within RSTP are
dependent upon whether the port concerned can only be connected to exactly one
other bridge (i.e. it is served by a point-to-point LAN segment), or can be connected to
two or more bridges (i.e. it is served by a shared medium LAN segment). This function
allows the P2P status of the link to be manipulated administratively. True is P2P
enabling. False is P2P disabling.