10/100 Auto Negotiation Switch User’s Guide

Root Port

Specifies the preferred path to the Root Bridge. Only one path per bridge can exist. The default setting is none.

Table 4: User Selective STA parameters

STA parameters

Enable/Disable

Bridge Priority

Hello Time

Max Age Time

Forward Delay

Settings

Enable/ Disable

Lower the #, higher the priority

1 – 10 seconds

6 – 40 seconds

4 – 30 seconds

Effects

Participate in or remove from

STA

Increases chance of becoming the Root Bridge

No effect, if not Root Bridge

Compete for Root Bridge, if BPDU is not received

High # delays the change in state

Comment

Enable in a SNMP network.

Avoid, if the switch is used in workgroup level of a large network

Never set greater than Max Age Time

Avoid low number for unnecessary reset of Root Bridge

Max Age < 2 x (Forward Delay - 1)

Max Age > 2 x Hello Time + 1)

Port Level STA parameters

Enable/ Disable Enable/ disable

Port Priority

Lower the

 

#, higher

 

the

 

priority

Enable or disable LAN segment

Increases chance of becoming the Root Port

Disable a port for security or problem isolation

Managing the DES-3216

41

Page 49
Image 49
D-Link DES-3216 manual Root Port, User Selective STA parameters