WZC
b. Cisco Compatible Extensions
c. Cisco Secure Services Client
This chapter includes the
following sections:
?– Chapter Objectives
?– Exploring Functions of Routing
?– Understanding Binary Numbering
?– Constructing a Network Addressing Scheme
?– Starting a Cisco Router
?– Con?¬?guring a Cisco Router
?– Exploring the Packet Delivery Process
?– Understanding Cisco Router Security
?– Using the Cisco SDM
?– Using a Cisco Router as a DHCP Server
?– Accessing Remote Devices
?– Chapter Summary
?– Review Questions
C H A P T E R 4
LAN Connections
In addition to connecting multiple devices in a network, the networks themselves can be
connected. In fact, the Internet is a collection of connected networks. The concept of
connected networks is a common communication infrastructure in large organizations.
Connecting networks with diverse devices, architectures, and protocols requires more
sophisticated components than simple local-area networks (LAN). Routers are the devices
used in this more complex networking environment, and a suite of protocols known as
TCP/IP governs how data is transmitted. This chapter describes the functions of routers
in connecting networks and describes how routers transmit data through networks using
TCP/IP.
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