Command Line Reference Guide

1350 | Spanning Tree Protocol (STP)
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Example FTOS(config-stp)#show config
protocol spanning-tree 0
no disable
FTOS(config-stp)#
show spanning-tree 0
c e s
Display the Spanning Tree group configuration and status of interfaces in the Spanning Tree group.
Syntax
show spanning-tree 0 [active | brief | interface interface | root | summary] [guard]
Parameters
Command Modes
EXEC Privilege
Usage
Information
You must enable Spanning Tree group 0 prior to using this command.
Command
History
Example 1
(show
spanning-tree 0)
FTOS#show spann 0
Executing IEEE compatible Spanning Tree Protocol
Bridge Identifier has priority 32768, Address 0001.e800.0a56
Configured hello time 2, max age 20, forward delay 15
We are the root of the spanning tree
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.2.1.1 Introduced on E-Series
0 Enter 0 (zero) to display information about that specific Spanning Tree group.
active
(OPTIONAL) Enter the keyword active to display only active interfaces in Spanning Tree group 0.
brief
(OPTIONAL) Enter the keyword brief to display a synopsis of the Spanning Tree group
configuration information.
interface
interface
(OPTIONAL) Enter the keyword interface and the type slot/port of the interface you want
displayed. Type slot/port options are the following:
• For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet followed by the slot/
port information.
• For a SONET interface, enter the keyword sonet 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 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.
root
(OPTIONAL) Enter the keyword root to display configuration information on the Spanning Tree group root.
summary
(OPTIONAL) Enter the keyword summary to only the number of ports in the Spanning Tree
group and their state.
guard
(OPTIONAL) Enter the keyword guard to display the type of guard enabled on an STP interface
and the current port state.
Version 8.4.2.1 The optional guard keyword was added.
Version 7.7.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.2.1.1 Introduced on E-Series