Quick Reference Guide

Spanning Tree (STP) Commands | 317
Default
0
Mode
Global Config
spanning-tree edgeport
This command specifies that this port is an edge port (portfast) within the common and internal
spanning tree, allowing this port to transition to forwarding state without delay.
The no version of this command specifies that this port is not an edge port within the common and
internal spanning tree.
Syntax
[no] spanning-tree edgeport
Mode
Interface Config; Interface Range, which is indicated by the (conf-if-range-interface)# prompt, such
as (conf-if-range-vlan 10-20)#.
Command
History
spanning-tree forceversion
This command sets the Force Protocol Version parameter to a new value.
The no version of this command sets the Force Protocol Version parameter to the default value, in
other words, 802.1s.
Syntax
[no] spanning-tree forceversion {802.1d | 802.1w | 802.1s}
The Force Protocol Version can be one of the following:
802.1d - STP BPDUs are transmitted rather than MST BPDUs (IEEE 802.1D functionality
supported)
802.1w - RST BPDUs are transmitted rather than MST BPDUs (IEEE 802.1w functionality
supported)
802.1s - MST BPDUs are transmitted (IEEE 802.1s functionality supported)
Default
802.1s
Mode
Global Config
spanning-tree forward-time
This command sets the Bridge Forward Delay parameter to a new value for the common and internal
spanning tree. The forward-time value is in seconds within a range of 4 to 30, with the value being
greater than or equal to "(Bridge Max Age / 2) + 1".
Version 2.3 Added Interface Range mode.
Related
Commands
interface Identifies an interface and enters the Interface Config mode.
interface range Defines an interface range and accesses the Interface Range mode