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© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
ITE PC v4.0
Chapter 1 1
Planning and Cabling Networks
Network Fundamentals – Chapter 10
ITE PC v4.0
Chapter 1 2© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Select the appropriate hardware, including the cabling, to install several computers together in a LAN
Requirements to make a LAN Connection
ITE PC v4.0
Chapter 1 3© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
To identify some key aspects of the devices they will be employing in a LAN
Requirements to make a LAN Connection
ITE PC v4.0
Chapter 1 4© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Requirements to make a LAN Connection
ITE PC v4.0
Chapter 1 5© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Requirements to make a LAN Connection
ITE PC v4.0
Chapter 1 6© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Requirements to make a LAN Connection
ITE PC v4.0
Chapter 1 7© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Types of Connections in a LAN Given a specific network connection, identify the type of
cable required to make the connection
(vertical cabling)
ITE PC v4.0
Chapter 1 8© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Types of Connections in a LAN Identify the correct cable to use in connecting
intermediate and end devices in a LAN.
ITE PC v4.0
Chapter 1 9© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Types of Connections in a LAN
Straight-through Crossover
Inside the LAN
ITE PC v4.0
Chapter 1 10© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Types of Connections in a LAN Connect a LAN to a WAN
ITE PC v4.0
Chapter 1 11© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Types of Connections in a LAN Device Management
ITE PC v4.0
Chapter 1 12© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Making WAN connections
Data Communications Equipment (DCE)
supplies the clocking services to another device
typically, it’s at the WAN access provider end of the link
Data Terminal Equipment (DTE)
receives clocking from another device and adjusts accordingly
typically, it’s at the WAN customer or user end of the link
ITE PC v4.0
Chapter 1 13© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Making WAN connections
The V35 compliant cables are available in DTE and DCE versions.
(Lab example)
ITE PC v4.0
Chapter 1 14© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Example device interfaces
LAN Interfaces – Ethernet
WAN Interfaces – Serial
Console Interface
Auxiliary (AUX) Interface
ITE PC v4.0
Chapter 1 15© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Importance of Network Designs Determine the total number of hosts in a network,
accounting for present and future requirements
ITE PC v4.0
Chapter 1 16© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Importance of Network Designs Given a network requirement, determine the optimum
number of sub networks in the larger internetwork.
ITE PC v4.0
Chapter 1 17© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Reasons to divide a network:
Manage Broadcast Traffic
Different Network Requirements
Security
How many subnets?
ITE PC v4.0
Chapter 1 18© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Calculating addresses - Example
Student LAN:Student Computers: 460
Router (LAN Gateway): 1
Switches (management): 20
Total: 481
Instructor LANInstructor Computers: 64
Router (LAN Gateway): 1
Switches (management): 4
Total: 69
Administrator LANAdministrator Computers: 20
Server: 1
Router (LAN Gateway): 1
Switch (management): 1
Total: 23
WAN Router - Router WAN: 2
Total: 2
ITE PC v4.0
Chapter 1 19© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Example without VLSM
ITE PC v4.0
Chapter 1 20© 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Example with VLSM