Spanning tree protocol, Spanning tree protocol -19, Figure 3-4 – Bay Technical Associates BayStack 304 User Manual

Page 73: Baystack 303 as a desktop switch -19

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Customizing and Managing the BayStack Switches

893-01010-A

3-19

The BayStack 303 switch can be used as a desktop switch to provide 100 Mb/s
connections to the server and network center and to give dedicated 10 Mb/s
connections to up to 23 users instead of shared 10 Mb/s connections (see

Figure 3-4

).

Figure 3-4.

BayStack 303 as a desktop switch

Spanning Tree Protocol

The Spanning Tree Protocol is a technique based on the IEEE 802.1d standard that
detects and eliminates logical loops in a bridged or switched network. When
multiple paths exist, the Spanning Tree Algorithm configures the network so that a
bridge/switch uses only the most efficient path. If that path fails, the protocol
automatically reconfigures the network to make another path become active,
sustaining network operations.

Before
•

22 users sharing 10 Mb/s (10/22 Mb/s per user)

•

Server bottleneck (10 Mb/s pipe)

•

Network center bottleneck (10 Mb/s pipe)

After
•

23 users each with dedicated 10 Mb/s

•

Additional 23 users with shared 10 Mb/s

•

Server with dedicated 100 Mb/s pipe

•

Network center with dedicated 100 Mb/s or
200 Mb/s pipe

BayStack 303 switch

303

10BASE-T hub

10BASE-T hub

Server

To

network

center

To

network

center

Up to 22 users

10 Mb/s

100 Mb/s

200 Mb/s

Up to 23 users

Up to 22 users

Server

7518EA

89301010.BK Page 19 Tuesday, June 10, 1997 8:00 PM

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