Administrator Guide

Version Description
7.5.1.0 Introduced on the C-Series.
8.3.1.0 Introduced.
Example
Dell#conf
Dell(conf)#protocol spanning-tree pvst
Dell(conf-pvst)#no disable
Dell(conf-pvst)#vlan 2 bridge-priority 4096
Dell(conf-pvst)#vlan 3 bridge-priority 16384
Dell(conf-pvst)#
Dell(conf-pvst)#show config
!
protocol spanning-tree pvst
no disable
vlan 2 bridge-priority 4096
vlan 3 bridge-priority 16384
Dell#
Usage Information After you enable PVST+, the device runs an STP instance for each VLAN it supports.
Related
Commands
disable — disables PVST+.
show spanning-tree pvst — displays the PVST+ configuration.
show spanning-tree pvst
View the Per-VLAN spanning tree configuration.
C9000 Series
Syntax
show spanning-tree pvst [vlan vlan-id] [brief] [guard] [interface interface]
Parameters
vlan vlan-id (OPTIONAL) Enter the keyword vlan then the VLAN ID. The range is 1 to 4094.
brief (OPTIONAL) Enter the keyword brief to view a synopsis of the PVST+ configuration
information.
interface interface (OPTIONAL) Enter one of the interface keywords along with the slot/port information:
• For a Port Channel interface, enter the keyword port-channel then a number: The
range is 1 to 4096.
• For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then
the slot/port information.
•
For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/
port information.
• For a port extender (PE) Gigabit Ethernet interface, enter the keyword peGigE then
the pe-id / stack-unit / port-id information.
• For a port extender 10-Gigabit Ethernet interface, enter the keyword peTenGigE
then the pe-id / stack-unit / port-id information. The pe-id range is from 0 to 255;
the stack-unit unit-number range is from 0 to 7; and the port-id range is 25 to 28 or
49 to 52 depending on the PE.
guard (OPTIONAL) Enter the keyword guard to display the type of guard enabled on a PVST
interface and the current port state.
Defaults none
Command Modes
• EXEC
• EXEC Privilege
Per-VLAN Spanning Tree Plus (PVST+) 1229