Chapter 9Media

One of the first things you'll do when setting up a network of routers, switches, and host devices is to create the connections between the devices. This connection is done via media. The media can be either bounded (cables) or unbounded (wireless).

When data is transmitted across media, operations are occurring at the Network Interface layer. This layer includes both the physical implementation (cable type, wireless frequency, connectors, and so on) and the communication method employed by the media (Ethernet, 802.11, Frame Relay, PPP).

This chapter covers all aspects of media with a particular emphasis on cabling, as bounded media is usually used to connect infrastructure devices such as switches and routers. Moreover, the ...

Get Cisco Networking Essentials, 2nd Edition now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.