Planning and Cabling
Networks
Network Fundamentals – Chapter 10
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Requirements to make a LAN Connection
 Select the appropriate hardware, including the cabling,
to install several computers together in a LAN
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Requirements to make a LAN Connection
 To identify some key aspects of the devices they will be
employing in a LAN
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Requirements to make a LAN Connection
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Requirements to make a LAN Connection
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Requirements to make a LAN Connection
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Types of Connections in a LAN
 Given a specific network connection, identify the type of
cable required to make the connection
(vertical cabling)
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Types of Connections in a LAN
 Identify the correct cable to use in connecting
intermediate and end devices in a LAN.
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Types of Connections in a LAN
 Inside the LAN
Straight-through
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Crossover
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Types of Connections in a LAN
 Connect a LAN to a WAN
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Types of Connections in a LAN
 Device Management
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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
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Making WAN connections
(Lab example)
 The V35 compliant cables are available in DTE and DCE versions.
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Example device interfaces
 LAN Interfaces – Ethernet
 WAN Interfaces – Serial
 Console Interface
 Auxiliary (AUX) Interface
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Importance of Network Designs
 Determine the total number of hosts in a network,
accounting for present and future requirements
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Importance of Network Designs
 Given a network requirement, determine the optimum
number of sub networks in the larger internetwork.
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How many subnets?
 Reasons to divide a network:
Manage Broadcast Traffic
Different Network Requirements
Security
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Calculating addresses - Example
 Student LAN:
Student Computers: 460
Router (LAN Gateway): 1
Switches (management): 20
Total: 481
 Instructor LAN
Instructor Computers: 64
Router (LAN Gateway): 1
Switches (management): 4
Total: 69
 Administrator LAN
Administrator Computers: 20
Server: 1
Router (LAN Gateway): 1
Switch (management): 1
Total: 23
 WAN
Router - Router WAN: 2
Total: 2
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Example without VLSM
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Example with VLSM
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