Related
Commands
spanning-tree pvst
— configure PVST+ on an interface.
spanning-tree pvst
Configure a PVST+ interface with one of these settings: edge port with optional bridge port data unit
(BPDU) guard, port disablement if an error condition occurs, port priority or cost for a VLAN range, loop
guard, or root guard.
Syntax
spanning-tree pvst {edge-port [bpduguard [shutdown-on-
violation]] | bpdufilter] | err-disable | vlan
vlan-range
{cost
number
| priority
value
} | rootguard}
Parameters
edge-port
Enter the keywords
edge-port
to configure the interface as
a PVST+ edge port.
bpduguard
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.
shutdown-on-
violation
(OPTIONAL) Enter the keywords
shutdown-on-violation
to hardware disable an interface when a BPDU is received
and the port is disabled.
bpdufilter
(OPTIONAL) Enter the keyword
bpdufilter
to stop sending
and receiving BPDUs on port fast enabled ports.
err-disable
Enter the keywords
err-disable
to 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:
• 10-Gigabit Ethernet interface =
2000
.
• 40-Gigabit Ethernet interface =
1400
.
• Port Channel interface with one 10 Gigabit Ethernet =
2000
.
• Port Channel with two 10 Gigabit Ethernet =
1800
.
• Port Channel with two 40 Mbps Ethernet =
600
.
1066
Per-VLAN Spanning Tree Plus (PVST+)