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.
Z9500
Syntax
spanning-tree pvst {edge-port [bpduguard [shutdown-on-
violation]] | err-disable | vlan
vlan-range
{cost
number
|
priority
value
} | loopguard | 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.
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
.
• Port Channel interface with one 10 Gigabit Ethernet =
2000
.
• Port Channel with two 10 Gigabit Ethernet =
1800
.
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
Enter the keyword
loopguard
to enable loop guard on a
PVST+ port or port-channel interface.
rootguard
Enter the keyword
rootguard
to enable root guard on a
PVST+ port or port-channel interface.
1464
Per-VLAN Spanning Tree Plus (PVST+)
