Extreme Networks ExtremeWare XOS Command Reference Manual page 1190

ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.
STP Commands
Example
The following command configures a cost of 100 to slot 2, ports 1 through 5 in STPD s0:
configure stpd s0 ports cost 100 2:1-2:5
History
This command was available in ExtremeWare XOS 10.1.
The option was added in ExtremeWare XOS 11.0.
auto
Platform Availability
This command is available on all platforms.
1190
ExtremeWare XOS 11.5 Command Reference Guide