Reference Guide

Per-VLAN Spanning Tree Plus (PVST+) | 1197
Defaults
No default behavior or values
Command Modes
EXEC
EXEC Privilege
Command
History
Example
(brief)
FTOS#show spanning-tree pvst vlan 3 brief
VLAN 3
Executing IEEE compatible Spanning Tree Protocol
Root ID Priority 4096, Address 0001.e801.6aa8
Root Bridge hello time 2, max age 20, forward delay 15
Bridge ID Priority 16384, Address 0001.e805.e306
Configured hello time 2, max age 20, forward delay 15
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------- -------- ---- ------ --- ------- -------------------- --------
Gi 1/0 128.130 128 20000 FWD 20000 4096 0001.e801.6aa8 128.426
Gi 1/1 128.131 128 20000 BLK 20000 4096 0001.e801.6aa8 128.427
Gi 1/16 128.146 128 20000 FWD 20000 16384 0001.e805.e306 128.146
Gi 1/17 128.147 128 20000 FWD 20000 16384 0001.e805.e306 128.147
Interface
Name Role PortID Prio Cost Sts Cost Link-type Edge
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.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE 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 Added support for 4-port 40G line cards on 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