December 2000
Intermediate to advanced
360 pages
10h 29m
English
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Basic Interface Configuration
An interface is a connection from a Cisco device to a network medium. Each interface has underlying technologies that are used to transfer data across a physical medium, such as copper or fiber. Protocols found on the physical layer of the OSI reference model define the physical characteristics of the interface and the medium. The protocols we describe in this chapter, which all operate on the data link layer (Layer 2) of the OSI reference model, implement the technology to pass data between the network layer and the physical layer.
Each interface on a Cisco device is known as a port. Cisco devices label ports in multiple ways. For fixed-configuration Cisco devices, the interfaces are numbered sequentially without ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.