Hub/Switch Configuration Guide

268 Spanning Tree (STP) Commands
spanning-tree forward-time
Syntax
[no] spanning-tree forceversion 802.1d | 802.1w | 802.1s
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".
The
no version of this command sets the Bridge Forward Delay parameter for the common
and internal spanning tree to the default value, in other words, 15.
Syntax
[no] spanning-tree forward-time 4-30
Default
15
Mode
Global Config
spanning-tree hello-time
This command sets the Admin Hello Time parameter to a new value for the common and
internal spanning tree.
Syntax
spanning-tree hello-time 1-10
The hellotime value is in whole seconds within a range of 1 to 10 with the value being less
than or equal to "(Bridge Max Age / 2) - 1".
The
no spanning-tree hello-time command sets the admin Hello Time parameter for the
common and internal spanning tree to the default value.
Default
2
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
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