ATL Telecom R1-SW Ethernet Switch - Manual (Page 273)

Configuring STP/RSTP
13-15
The following example shows how to set the path cost for the Fast Ethernet port 2/1 running
STP protocol:
(config)# port fastethernet 2/1 pathcost 10
(config)# end
# show stp port fastethernet 2/1
Link State: up
Protocol Operation: enabled
Pathcost Encoding: 32bit
Port Number(logical): 129
Port Priority: 0x8
Designated Path Cost: 10
AdminEdge: false
#
Recommand: We recommand that you set the path cost as follows according to the running STP prottocol
version and the media speed of the port:
Port Speed STP
10Mbps 50~ 600
100Mbps 10 ~ 60
1Gbps 3 ~ 10
10Gbps 1 ~ 5