Planning and Cabling Networks : Planning and Cabling Networks Network Fundamentals – Chapter 10
Objectives : Objectives Identify the basic network media required to make a LAN connection.
Identify the types of connections for intermediate and end device connections in a LAN.
Identify the pin out configurations for straight-through and crossover cables.
Identify the different cabling types, standards and ports used for WAN connections.
Define the role of device management connections when using Cisco equipment.
Design an addressing scheme for an inter-network and assign ranges for hosts, network devices and the router interface.
Compare and contrast the importance of network designs
Key Terms : Key Terms EMI
RFI
Media-dependent Interface (straight)
MDI-X (crossover)
CSU/DSU Smart Serial
DB60 (Winchester Serial)
DCE
DTE
Console Port
Basic Network Media Needed for a LAN : Basic Network Media Needed for a LAN
Selecting Your LAN Components : Selecting Your LAN Components
Selecting a Switch for the LAN : Selecting a Switch for the LAN Hubs create an extended star/logical bus
Disadvantage?
Modern LAN’s use switched networks
Density should meet needs for end device access (ports)
Variety of port speeds
Does the device support link aggregation?
Are Fiber uplinks available?
Adding Redundancy to the LAN : Adding Redundancy to the LAN One switch or many?
Types of Connections in a LAN : Types of Connections in a LAN Given a specific network connection, identify the type of cable required to make the connection
Selecting a Router for the LAN/WAN : Selecting a Router for the LAN/WAN Usually the most expensive investment for small-to-medium LAN’s
Expandability
Media types
Operating system features
Supported service on the device
i.e. NAT, Security, QoS, VoIP, routing capablities
Terminology for LAN Cabling : Terminology for LAN Cabling Work Area
Telecommunications Room
Distribution facility
Horizontal cabling
Distribution cabling
Backbone cabling
Vertical cabling
What are the three common media types?
MDI and MDI-X Interfaces : MDI and MDI-X Interfaces LAN devices will use one of two interface types
Media Dependent Interface – Normal Ethernet pinout
Examples: PC, printer, router Ethernet
Media Dependent Interface-Crossover – pinout swapped
Transmit/Receive pairs are reversed
Examples: switch, hub
SOHO devices support auto MDI-X
Newer Cisco switches support software auto MDI-X
Cabling Termination Standards : Cabling Termination Standards Identify the pinout of the straight-through and cross-over cables
Selecting the Correct Cable : Selecting the Correct Cable Identify the correct LAN cabling to use in connecting intermediate and end devices
Serial Connectors Between DCE/DTE : Serial Connectors Between DCE/DTE A different class of cables is used to connect WANs
Cables, standards and ports are different Connects from the
Router to the CSU/DSU
Console Connections to Equipment : Console Connections to Equipment Cisco equipment includes a management port known as a “console” port
Requires a serial adapter and special cable (pin-out reversed on one end)
Importance of Network Design : Importance of Network Design Addresses need for broadcast containment, user needs, security
Count the subnets
Design an Addressing Scheme : Design an Addressing Scheme How do I design an address scheme for an internetwork?
Assign ranges based on hosts, network devices and the router interface
Solution: Variable Length Subnet Mask (VLSM)
Use VLSM to Manage Your Address Space : Use VLSM to Manage Your Address Space Calculate the address ranges for sub networks
VLSM Example 1 : VLSM Example 1 192.168.1.0 /24
VLSM Example 1 - Solution : VLSM Example 1 - Solution Network
B
E
A
D
C Required
28
28
14
7
2 Mask
/27
/27
/28
/28
/30 Binary
11100000
11100000
11110000
11111000
11111100 Network Address
192.168.1.0
192.168.1.32
192.168.1.64
192.168.1.80
192.168.1.96 192.168.1.0 /24
VLSM Example 1 – Solution (Box Method) : VLSM Example 1 – Solution (Box Method) 192.168.1.0 /24 Network
B
E
A
D
C Required
28
28
14
7
2
VLSM Example 2 : VLSM Example 2
Chapter 10 Labs : Chapter 10 Labs Lab 10.6.1.1 – Creating a Small Lab Topology
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