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7-1
Chapter 7
Fast Ethernet
This chapter examines the decisions and selections that must be made when designing a Fast
Ethernet workgroup solution.
Should a Fast Ethernet workgroup solution be selected, the Network Designer has
a specific series of issues to resolve and decisions to make before selecting a Fast
Ethernet device that meets the requirements of the network. This chapter
identifies and discusses these issues and provides a series of examples for
different Fast Ethernet network approaches.
Fast Ethernet Workgroup Devices
The following sections present and describe the various Cabletron Systems
workgroup networking devices that may be used to implement a Fast Ethernet
networking solution.
Shared Devices
The selection field of Fast Ethernet networking devices is much narrower than
that available for Ethernet workgroups. The Fast Ethernet devices available from
Cabletron Systems are all 100BASE-TX compliant Class I repeaters or switches.
The currently-available Class I repeaters, which are shared Fast Ethernet devices,
are listed in Table 7-1, below.