Reference Guide

492 Spanning-Tree Commands
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Plasma-ARC
2+3\new_system_mifs_ARC2_latest\Spanning-Tree.fm
DELL CONFIDENTIAL – PRELIMINARY 4/3/14 - FOR PROOF ONLY
Syntax
spanning-tree mode {stp| rstp
| mst }
no spanning-tree mode
Parameters
• stp —Specifies that STP is enabled.
•
rstp —Specifies that the Rapid STP is enabled.
•
mst —Specifies that the Multiple STP is enabled.
Default Configuration
The default is STP.
Command Mode
Global Configuration mode
User Guidelines
In RSTP mode, the device uses STP when the neighbor device uses STP.
In MSTP mode, the device uses RSTP when the neighbor device uses RSTP,
and uses STP when the neighbor device uses STP.
Example
The following example enables MSTP.
console(config)# spanning-tree mode mst
spanning-tree forward-time
Use the spanning-tree forward-time Global Configuration mode command
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. Use the no form of this command to restore the default
configuration.