3.12.15. spanning-tree hello-time

Syntax

spanning-tree hello-time seconds

no spanning-tree hello-time

Parameter

seconds STP hello time in second. Its valid range is from 1 to 10 seconds.

Default

The default STP hello time is 2 seconds.

Mode

Global Configuration

Usage

STP hello time is the time interval to broadcast its hello message to other bridges. To configure the STP hello time, use the command spanning-tree hello-time in the Global Configuration mode; and use the no form of the command to restore the hello time to default configuration.

When the hello time is configured, the following relationship should be maintained: Max-Age >= 2 * (hello-time + 1)

Example

The following example configures BPDU hello time to 4.

Switch(config)# spanning-tree hello-time 4