Quick Reference Guide

318 | Spanning Tree (STP) Commands
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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 hello time 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
spanning-tree max-age
This command sets the Bridge Max Age parameter to a new value for the common and internal
spanning tree. The max-age value is in seconds within a range of 6 to 40, with the value being less than
or equal to "2 times (Bridge Forward Delay - 1)".
The no version of this command sets the Bridge Max Age parameter for the common and internal
spanning tree to the default value, in other words, 20.
Syntax
spanning-tree max-age 6-40
no spanning-tree max-age
Default
20
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
show spanning-tree
interface
Displays the settings and parameters for a specific switch port within the common
and internal spanning tree
show spanning-tree