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Chapter 2. Switch Functionality > Catalyst 2000 Series

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+ forwarding, enhanced integrated security, quality of service (QoS), and Power over Ethernet (PoE). Here is the performance for the Catalyst 29xx series switches:

  • Catalyst 2940

    • 3.6 Gbps maximum forwarding bandwidth

    • 2.7 Mpps wire-speed forwarding rate (based on 64-byte packets)

  • Catalyst 2960

    • 16-Gbps switching fabric (Cisco Catalyst 2960-8TC-S, Catalyst 2960-24-S, Catalyst 2960-24TC-S, Catalyst 2960-48TT-S, and Catalyst 2960-48TC-S)

    • Forwarding rate based on 64-byte packets:

      • Cisco Catalyst 2960-8TC-S: 2.7 Mpps

      • Cisco Catalyst 2960-24-S: 3.6 Mpps

      • Cisco Catalyst 2960-24TC-S: 6.5 Mpps

      • Cisco Catalyst 2960-48TT-S: 10.1 Mpps

      • Catalyst 2960-48TC-S: 10.1 Mpps

  • Catalyst 2975:

    • 32-Gbps switching fabric

    • 38.7 Mpps forwarding rate based on 64-byte packets


  

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