Spanning-Tree Hello-Time - Allied Telesis AT-IX5-28GPX Manual

High availability, high power video surveillance poe switch
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S
T
C
PANNING
REE
OMMANDS
-
-
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#
awplus(config)#
Related
spanning-tree forward-time
Commands
spanning-tree max-age
show spanning-tree
514
Command Reference for AT-IX5-28GPX High Availability, High Power Video Surveillance PoE Switch
Parameter
Description
<1-10> The hello BPDU interval in seconds.
<hello-time>
configure terminal
spanning-tree hello-time 3
AlliedWare Plus™ Operating System - Version 5.4.5-0.x
C613-50057-01 REV A

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