Reference Guide

Per-VLAN Spanning Tree plus (PVST+) | 1169
show spanning-tree pvst
c e s
View the Per-VLAN Spanning Tree configuration.
Syntax
show spanning-tree pvst [vlan vlan-id] [brief] [guard]
Parameters
Defaults
No default behavior or values
Command Modes
EXEC
EXEC Privilege
Command
History
vlan vlan-id (OPTIONAL) Enter the keyword vlan followed by the VLAN ID.
Range: 1 to 4094
brief (OPTIONAL) Enter the keyword brief to view a synopsis of the PVST+
configuration information.
Interface
(OPTIONAL) Enter one of the interface keywords along with the slot/port
information:
• For a Fast Ethernet interface, enter the keyword
FastEthernet
followed by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a Port Channel interface, enter the keyword
port-channel
followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to
512 for ExaScale.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
guard
(OPTIONAL) Enter the keyword guard to display the type of guard
enabled on a PVST interface and the current port state.
Version 8.5.1.0 Support for the optional guard keyword was added on the E-Series ExaScale.
Version 8.4.2.1 Support for the optional guard keyword was added on the C-Series, S-Series, and
E-Series TeraScale.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
Version 6.4.1.0 Expanded to display port error disable state (EDS) caused by loopback BPDU
inconsistency and Port VLAN ID inconsistency.
Version 6.2.1.1 Introduced