beautypg.com

9 spanning-tree hello-time, 10 spanning-tree link-type p2p – Accton Technology ES4626 User Manual

Page 229

background image

229

forward-time

” restores the default setting.

Parameter:

is forward delay time in seconds. The valid range is from 4 to 30.

Command mode:

Global Mode

Default:

The forward delay time is 15 seconds by default.

Usage Guide:

When the network topology changes, the status of the port is changed

from blocking to forwarding. This delay is called the forward delay. The forward delay is

co working with hello time and max age. The parameters should meet the following

conditions. Otherwise, the MSTP may work incorrectly.

2 * (Bridge_Forward_Delay - 1.0 seconds) >= Bridge_Max_Age

Bridge_Max_Age >= 2 * (Bridge_Hello_Time + 1.0 seconds)

Example:

In global mode, set MSTP forward delay time to 20 seconds.

Switch(Config)#spanning-tree forward-time 20

7.3.9 spanning-tree hello-time

Command: spanning-tree hello-time

no spanning-tree hello-time

Function:

Set switch Hello time; The command “no spanning-tree hello-time” restores

the default setting.

Parameter:

is Hello time in seconds. The valid range is from 1 to 10.

Command mode:

Global Mode

Default:

Hello Time is 2 seconds by default.

Usage Guide:

Hello time is the interval that the switch sends BPDUs. Hello time is co

working with forward delay and max age. The parameters should meet the following

conditions. Otherwise, the MSTP may work incorrectly.

2 * (Bridge_Forward_Delay - 1.0 seconds) >= Bridge_Max_Age

Bridge_Max_Age >= 2 * (Bridge_Hello_Time + 1.0 seconds)

Example:

Set MSTP hello time to 5 seconds in global mode.

Switch(Config)#spanning-tree hello-time 5

7.3.10 spanning-tree link-type p2p

Command: spanning-tree link-type p2p {auto|force-true|force-false}

no spanning-tree link-type

Function:

Set the link type of the current port; The command “no spanning-tree

link-type

” restores link type to auto-negotiation.

Parameter: auto

sets auto-negotiation, force-true forces the link as point-to-point type,

force-false

forces the link as non point-to-point type.

Command mode:

Interface Mode

This manual is related to the following products: