Cisco Catalyst 250 Series Command Reference

spanning-tree mst hello-time
To set the hello-time delay timer, use the spanning-tree mst hello-time command in global configuration
mode. To return to the default settings, use the no form of this command.
spanning-tree mst hello-time seconds
no spanning-tree mst hello-time
Syntax Description
Syntax Description
Interval, in seconds, between hello BPDUs . The range is 1 to 10.
seconds
Command Default
The default is 2.
Command Modes
Global configuration
Command History
ModificationRelease
This command was introduced.Cisco IOS 15.0(2)EX
Usage Guidelines
If you do not specify the hello-time value, the value is calculated from the network diameter.
Exercise care when using this command. For most situations, we recommend that you use the spanning-tree
vlan vlan-id root primary and the spanning-tree vlan vlan-id root secondary global configuration commands
to modify the hello time.
Examples
This example shows how to set the hello-time delay timer to 3 seconds:
Switch(config)# spanning-tree mst hello-time 3
Related Commands
DescriptionCommand
Sets the forward-delay time for MST instances.
spanning-tree mst forward-time
Sets the interval between messages that the spanning tree receives
from the root switch.
spanning-tree mst max-age
Specifies the number of hops allowed before a BDPU is discarded.
spanning-tree mst max-hops
Catalyst 2960-X Switch Layer 2 Command Reference, Cisco IOS Release 15.0(2)EX
96 OL-29043 -01
Layer 2 Commands
spanning-tree mst hello-time

Cisco Catalyst 250 Series Specifications

General

Brand	Cisco
Model	Catalyst 250 Series
Category	Switch
Language	English