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spanning-tree pvst
Commands
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
bpduguard
shutdown-on-
violation
bpdufilter
err-disable
vlan vlan-range
cost number
1066
— configure PVST+ on an interface.
Enter the keywords edge-port to configure the interface as
a PVST+ edge port.
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-violation
to hardware disable an interface when a BPDU is received
and the port is disabled.
(OPTIONAL) Enter the keyword bpdufilter to stop sending
and receiving BPDUs on port fast enabled ports.
Enter the keywords err-disable to enable the port to be
put into the error-disable state (EDS) if an error condition
occurs.
Enter the keyword vlan then the VLAN numbers. The range
is from 1 to 4094.
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.
Per-VLAN Spanning Tree Plus (PVST+)
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