Switch Functionality - Cisco Catalyst 2000 Configuration Handbook

Switch Functionality

Refer to the following sections to configure and use these features:
■ 2-1: Catalyst Switch Families: Gives a brief summary of the Cisco Catalyst switch
platforms, their capabilities, and the operating systems that are supported.
2-2: Switched Campus Network Designs: Presents a quick reference checklist of
■
guidelines and ideas you can use when designing your switched enterprise network.
2-1: Catalyst Switch Families
The family of Catalyst switches is an ever-expanding product offering.
One of the major challenges in choosing and deploying a switch in your network is
understanding what functions that switch performs and how it functions within the net-
work design. The purpose of this section is to give you a brief overview of the current
Catalyst switch platforms and their basic functionalities.
Catalyst 2000 Series
The Catalyst 2000 series switches provide end user access ports for the wiring closet. The
switches are available in several models such as the Catalyst 2940, 2960, and 2975. These
access switches vary in port densities from 8 ports to 48 ports. The Catalyst 2940 series
switch supports 8 10/100 interfaces along with several uplink options: 10/100/1000 UTP,
100Base-FX, and 1000Base-X SFP. The Catalyst 2960 series switch supports 8, 24, and
48 10/100 interfaces and 24- or 48-port 10/100/1000 interfaces in addition to a variety of
dual-purpose uplinks interfaces. The Catalyst 2975 series switch supports 48
10/100/1000 interfaces along with four SFP 1000Base-X uplink interfaces. The Catalyst
2000 product families offer a wide variety of Cisco IOS feature sets such as Layer 2+ for-
warding, enhanced integrated security, quality of service (QoS), and Power over Ethernet
(PoE). Here is the performance for the Catalyst 29xx series switches:
Chapter 2