Users Guide

Table Of Contents
Layer 2 Switching Commands 837
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
This command has no user guidelines.
Example
The following example disables spanning-tree on Gi1/0/5.
console(config)#interface gigabitethernet 1/0/5
console(config-if-Gi1/0/5)#spanning-tree disable
spanning-tree forward-time
Use the spanning-tree forward-time command in Global Configuration
mode to configure the spanning-tree bridge forward time, which is the
amount of time a port remains in the listening and learning states before
entering the forwarding state.
To reset the default forward time, use the no form of this command.
Syntax
spanning-tree forward-time
seconds
no spanning-tree forward-time
seconds
— Time in seconds. (Range: 4–30)
Default Configuration
The default forwarding-time for IEEE Spanning-tree Protocol (STP) is 15
seconds.
Command Mode
Global Configuration mode.
User Guidelines
When configuring the Forward-Time the following relationship should be
satisfied: