Having gone through the basics pertaining to branch offices as well as data transmission basics, this section describes broadband cable access technologies, the components used within cable networks and the configuration of Cisco routers when connected to cable access technologies.
Cable modems are network bridge devices that operate at Layer 1 and Layer 2 of the OSI Model and connect home or branch office networks to the Internet through the cable television system. On the network side, cable modems support Ethernet and on the cable side, DOCSIS. However, it should be noted that although cable modems generally follow the DOCSIS . . .
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