Allied Telesis AlliedWare Plus AT-x230-10GP - Spanning-Tree Hello-Time

456 Command Reference for x230 Series Edge Switches C613-50055-01 REV A
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
SPANNING TREE COMMANDS
SPANNING
-TREE HELLO-TIME
spanning-tree hello-time
Overview Use this command to set the hello-time. This sets the time in seconds between the
transmission of device spanning tree configuration information when the device is
the Root Bridge of the spanning tree or is trying to become the Root Bridge.
Use this command for RSTP, STP or MSTP.
Use the no variant of this command to restore the default of the hello time.
Syntax
spanning-tree hello-time <hello-time>
no spanning-tree hello-time
Default Default is 2 seconds.
Mode Global Configuration and Interface Configuration for switch ports.
Usage The allowable range of values is 1-10 seconds.
The forward delay, max-age, and hello time parameters should be set according to
the following formula, as specified in IEEE Standard 802.1d:
2 x (forward delay - 1.0 seconds) >= max-age
max-age>= 2 x (hello time + 1.0 seconds)
Example
awplus# configure terminal
awplus(config)# spanning-tree hello-time 3
Related
Commands
spanning-tree forward-time
spanning-tree max-age
show spanning-tree
Parameter Description
<hello-time> <1-10> The hello BPDU interval in seconds.