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AT-GS908 Gigabit Ethernet Switch Installation Guide

Collapsed

Backbone

In the topology illustrated in Figure 4, an AT-GS908 connects Fast

Ethernet switches that have Gigabit Ethernet uplinks. This type of

topology is often referred to as a collapsed backbone topology. The

switch functions as the focal point of the network and transfers an

Ethernet frame between the Fast Ethernet switches only when the

destination end-node for the frame is on a different switch than the end-

node that originated the frame. This reduces the amount of unnecessary

data traffic in each workgroup, freeing up bandwidth and improving

network performance.

Figure 4 Collapsed Backbone - Hub Topology

AT-GS908

10/100/1000Base-T Gigabit Ethernet Switch

100

ACT

FDX/COL

PWR

1000

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Fast Ethernet

Switches with

AT-GS908 Gigabit Ethernet Switch

Legend

10 Mbps

100 Mbps

1000 Mbps

Gigabit Uplinks

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