Dell 9.7(0.0) manual Cost number

Parameters	Enter the keywords edge-portto configure the interface as
edge-port
	a PVST+ edge port.

bpduguard

shutdown-on- violation

err-disable

Enter the keyword portfast to enable Portfast to move the interface into Forwarding mode immediately after the root fails.

Enter the keyword bpduguard to disable the port when it receives a BPDU.

(OPTIONAL) Enter the keywords shutdown-on-violationto hardware disable an interface when a BPDU is received and the port is disabled.

Enter the keywords err-disableto enable the port to be put into the error-disable state (EDS) if an error condition occurs.

vlan vlan-range	Enter the keyword vlan then the VLAN numbers. The range
	is from 1 to 4094.
cost number	Enter the keyword cost then the port cost value. The range
	is from 1 to 200000.
	Defaults:
	• 100 Mb/s Ethernet interface = 200000.
	• 1-Gigabit Ethernet interface = 20000.
	• 10-Gigabit Ethernet interface = 2000.
	• Port Channel interface with one 100 Mb/s Ethernet =
	200000.
	• Port Channel interface with one 1 Gigabit Ethernet =
	20000.
	• Port Channel interface with one 10 Gigabit Ethernet =
	2000.
	• Port Channel with two 1 Gigabit Ethernet = 18000.
	• Port Channel with two 10 Gigabit Ethernet = 1800.
	• Port Channel with two 100 Mbps Ethernet = 180000.
priority value	Enter the keyword priority then the Port priority value in
	increments of 16. The range is from 0 to 240. The default is
	128.
loopguard	(C-, S-, and E-Series TeraScale only) Enter the keyword
	loopguard to enable loop guard on a PVST+ port or port-
	channel interface.
rootguard	(C-, S-, and E-Series TeraScale only) Enter the keyword
	rootguard to enable root guard on a PVST+ port or port-
	channel interface.

1236 Per-VLAN Spanning Tree Plus (PVST+)