Chapter 2 — Connecting to the Network

A Spanning Tree

Dividing your network into two segments reduces your overall

 

backbone traffic and improve network efficiency, but also intro-

 

duces a certain element of risk: the bridge becomes the sole path

 

between the two segments. If the bridge fails for any reason,

 

devices on different segments will no longer be able to communi-

 

cate with each other.

 

This may not seem serious, but consider the implication if your

 

database server is on one segment and must be accessed by

 

devices on the other segment. Suddenly the stakes are a little

 

higher. Fortunately, by simply installing an additional bridge

 

between the two segments, you can provide a high degree of

 

redundant protection. Such a network configuration would look

 

like this:

 

 

AsantéHub 1012

AsantéHub 1012

 

AsantéHub 1012

AsantéHub 1012

 

AsantéHub 1012

 

ASANTE

 

ASANTE

ASANTE

AsantéHub 1012

AsantéHub 1012

 

 

 

 

ASANTE

AsantéHub 1012

10BaseT to

 

10BaseT to

 

 

network devices

 

 

 

 

 

network devices

 

 

 

Segment A 10Base5 backbone

 

 

AUI link to the Segment A

 

 

 

10Base5 backbone

 

 

AsantéBridge 1012

AsantéBridge

 

 

Number 1

1012 Number 2

Standby

Active

 

 

AsantéHub 1012

AsantéHub 1012

Bridge

Bridge

BRIDGE

BRIDGE

ASANTE

ASANTE

 

 

 

 

3in1 Port link to the Segment B 10Base5 backbone

Segment B 10Base5 backbone

10BaseT to network devices (also on Segment B)

ASANTE

AsantéHub 1012

AsantéHub 1012

AsantéHub 1012

AsantéHub 1012

 

ASANTE

AsantéHub 1012

AsantéHub 1012

AsantéHub 1012

AsantéHub 1012

ASANTE

ASANTE

10BaseT to

10BaseT to

network devices

network devices

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Image 40
Asante Technologies 1012 manual Spanning Tree, Like this