Allied-telesis AT-GS924 Uživatelský manuál stáhnout pdf (Strana 19)

AT-GS916 and AT-GS924 Gigabit Ethernet Switches Installation Guide

Collapsed

Backbone

In the topology illustrated in Figure 5, an AT-GS916 switch 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 5 Collapsed Backbone - Hub Topology

AT-GS916

10/100/1000Base-T Gigabit Ethernet Switch

POWER

1357

2 4 6 8 10121416

9111315

3 4 5 6 7 8 9 10111213141516

ACT

FDX

100

1000

Fast Ethernet

Switches with

Legend

10 Mbps

100 Mbps

1000 Mbps

Gigabit Uplinks

AT-GS916 Gigabit Ethernet Switch

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 49 50

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Allied-telesis AT-GS924 Uživatelský manuál Strana 19