Specifications

spanning-tree vlan forward-time
194
spanning-tree vlan forward-time
Sets the time required for PVST+ state transition.
Syntax
To set or change information:
spanning-tree vlan <VLAN ID list> forward-time <Seconds>
To delete information:
no spanning-tree vlan <VLAN ID list> forward-time
Input mode
(config)
Parameters
<VLAN ID list>
Starts configuration of PVST+ for the set VLAN.
1. Default value when this parameter is omitted:
This parameter cannot be omitted.
2. Range of values:
For details about how to set <VLAN ID list> and the specifiable values, see
Specifiable values for parameters.
<Seconds>
Specifies the time in seconds required for the state of a port to change.
If
pvst (802.1D) is set for the spanning-tree mode command or the
spanning-tree vlan <VLAN ID list> mode command, the listening state and the
learning state are maintained for the set period of time.
If
rapid-pvst (802.1w) is set for the spanning-tree mode command or the
spanning-tree vlan <VLAN ID list> mode command, the discarding state and the
learning state are maintained for the set period of time (note that this applies only
when the timer causes the transition).
1. Default value when this parameter is omitted:
This parameter cannot be omitted.
2. Range of values:
4 to 30 (seconds)
Default behavior
The time required for the state of a port to change is set to 15 seconds.
Impact on communication
None
When the change is applied
The change is applied immediately after setting values are changed.
Notes
None