Allied Telesis AT-FS970M Series - Manual (Page 778)

Chapter 52: Spanning Tree Protocol (STP) Procedures
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Setting the Port Parameters
This table lists the STP functions that are controlled at the port level. You
set these parameters in the Port Interface mode of the individual ports.
This example of the SPANNING-TREE PATH-COST command assigns a
path cost of 40 to ports 4 and 18:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.4,port1.0.18
awplus(config-if)# spanning-tree path-cost 40
This example of the SPANNING-TREE PRIORITY command assigns a
priority value of 32:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.5
awplus(config-if)# spanning-tree priority 32
Table 87. STP Port Parameter Commands
To Use This Command Range
Specify the cost of a port to the root
bridge. SPANNING-TREE PATH-COST path-
cost 1 to 200000000
Assign a priority value, which is used
as a tie breaker when two or more
ports have equal costs to the root
bridge. SPANNING-TREE PRIORITY priority 0 to 240 in
increments of
16