C H A P T E R 1
Product Overview
This chapter describes the Catalyst 4900M switch, as well as system features and components.
This chapter contains these sections:
•Catalyst 4900M Switch Applications, page 1-1
•Catalyst 4900M Switch Software Features, page 1-6
•Hardware System Features, page 1-6
•Switch Components, page 1-7
Catalyst 4900M Switch Applications
The Catalyst 4900M switch (see Figure 1-1) is designed for top-of-rack server aggregation. It simplifies the transition from 1 GB to 10 GB attached devices in the data center. The Cisco Catalyst 4900M is a top of rack Ethernet switch optimized for mixing 10/100/1000 and 10 Gigabit Ethernet access devices. It is a fixed Cisco IOS based Layer 2+ switch with 8 fixed wire speed X2 ports on the base unit with 2 optional half card slots. The half card slots can accommodate the following cards in any combination:
•20-port wirespeed10/100/1000 (RJ-45) half card
•4-port wire speed 10GbE (X2) half card
•8-port (2:1) 10GbE (X2) half card (Twin Gig compatible)
| | Cisco Catalyst 4900M Switch Installation Guide | | |
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| 78-18350-01 | | | 1-1 |
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