Lecture Notes

 

How Layer 1 Works - The Physical Layer

Encoding the Data

Coding, Signaling, and Multiplexing on Wired Media
Video Illustrating Coding and Signaling Methods Used on Wired Networks
Video Showing Ethernet Signals as Captured on an Oscilloscope
Coding, Modulating, and Multiplexing on Wireless Media
Video Illustrating the Coding, Modulating, and Multiplexing Methods Used on Wireless Media

Selecting and Preparing the Media

Copper Media
Video Showing the Types of Copper Media
Fiber Optic Media
Video Showing the Types of Fiber Optic Media
How Fiber Optic Cable is Manufactured - OFS Video
Wireless Media
Video Showing Wireless Media
Terminating Copper Media
Terminating Category 5e UTP Cable - Leviton Video
Terminating Category 6 UTP Cable - Leviton Video
Terminating Fiber Optic Media
Terminating Fiber Optic Cable Using a Polish Method- Leviton Video
Terminating Fiber Optic Cable Using a No Polish Method - 3M Video
Terminating Fiber Optic Cable Using a Unicam Connector - Corning Video
How to Terminate Corning Unicam Connectors
Splicing Fiber Optic Media Using a Mechanical Splice - 3M Video
How to Use the 3M Mechanical Splice Tool
Splicing Fiber Optic Cable Using a Fusion Splice - Ilsintech Video
Terminating Wireless Media
How to Terminate Wireless Media Video
Testing Copper Media
How to Test UTP Cable - Fluke Video
How to Use a Fluke DTX Cable Analyzer
Testing Fiber Optic Media
How to Test Fiber Optic Cable - Fluke Video
Inspecting and Cleaning Fiber Optic Media - Fluke Video
How to Use the Noyes Fiber Optic Cable Inspection Scope
Testing Wireless Media
Types of Spectrum Analyzers Video
USB Type Spectrum Analyzer Wi-Spy Hardware Video
USB Type Spectrum Analyzer Wi-Spy Software Video
Recognizing Unlicensed Bands Signals Video
Recognizing Co-Channel Interference Video
Recognizing Adjacent Channel Interference Video
Recognizing All Channel Interference Video

Installing Media and Equipment Inside

Structured Cabling Standards
Installing Structured Cabling
Installing Fiber Optic Media Inside
Installing Wireless Media Inside
Video on Installing Structured Cabling, Fiber Optic Cabling, and Wireless Media Inside
Equipment Installation
Video Showing a Typical Equipment Installation

Installing Media and Equipment Outside

Installing Fiber Optic Media Outside
Installing Towers for Wireless Media Used Outside
Installing Wireless Media Outside
Video on Outside Plant Installation
 

How Layer 2 Works - The Data Link Layer

Tools Used to Examine the Frames Used to Carry Data on the Network

How to Use a Protocol Analyzer

Framing the Data

Frames Used in Local and Campus Area Networks

Ethernet
Wired Capture File
Video Showing the Examination of an Ethernet II Frame
Frames Commonly Seen on a Local Area Network
802.11
Wireless Capture File
Video Illustrating How to Examine a Typical 802.11bgn Wireless Frame

Frames Used in Metropolitan and Wide Area Networks

Video Illustrating the Frames Seen in MANs and WANs

Frames Used on the Original Wide Area Dedicated Circuits

HDLC
HDLC Capture File
PPP
PPP Capture File
Channelized ATM
ATM Capture File
ATM Capture File

Frames Used on the Original Wide Area Shared Networks

Frame Relay
Frame Relay Capture File

Frames Used on the Current Wide Area Dedicated Circuits

MPLS
MPLS Capture File
The Internet as the Network
PPPoE Capture File
Carrier Ethernet
Ethernet Capture File

Finding Errors in the Data

Detecting Errors

How to Create a Network

Why Have a Network

What is a Network
An Example of a LAN
Video Showing an Example of a LAN
An Example of a CAN
Video Showing an Example of a CAN
An Example of a MAN
Video Showing an Example of a MAN
An Example of a WAN
Video Showing an Example of a WAN

How a Network Works Layer by Layer

A Local Area Network in Context - Part 1 The Hardware Layers - Video
A Local Area Network in Context - Part 2 The Software Layers - Video
The Relationship of the Protocol Stack and the Operating System
The OSI and TCP/IP Models
Where Did TCP/IP Come From
Routed v Routing Protocols

Where Did All of This Stuff Come From

Standards Organizations
White Papers
Trade Press

Details on the The Hardware Based Layers

The Physical Layer
The Data Link Layer
Frames Commonly Seen on a Local Area Network
Video Showing the Examination of an Ethernet II Frame From the Data Link to the Application Layer

Details on the Software Based Layers

The Network Layer
The Transport Layer
The Application Layer

The Rules of the Road - The Local Area Network Standard

How Ethernet Works

The Boxes Used to Create a Local Area Network

Hubs and Switches
LAN Design Evolution
Basic Switch Concepts and Configuration
Spanning Tree Protocol

Expanding the Number of Networks

VLANs
VTP
InterVLAN Routing

Adding Complexity to the Basic Local Area Network

Virtualization of Networked Devices

What is Virtualization
Oracle Virtualization
VMware Virtualization
Microsoft Virtualization
Xen Virtualization
Citrix Virtualization

Adding a Server to the Network

Servers
Managing Multiple Servers Using KVM Devices
Server Operating Systems
Disk Interfaces

Storing Data on the Network

Data Storage Methods
DAS
NAS
SAN

Increasing the Physical Size of the Local Area Network

Backbone Connections

Managing the Network

Disaster Management

Identifying Networks and Devices on the Network Using Addresses

Addressing in Networks
Host Addressing
Network Addressing
FLSM
More on How to Subnet - Lammle 2nd Edition
More on How to Subnet - Lammle 5th Edition
VLSM and CIDR 
VLSM Procedure
Diagram to use with the VLSM Procedure
Moving to IPV6

How to Connect Networks to Each Other

What Does a Router Do

Introduction to Routing and Packet Forwarding
Video Showing What Routers Look Like and How to Practice With Them

Populating the Routing Table

What Does the Routing Table Look Like

The Routing Table: A Closer Look
Video Showing the Basic Configuration of a Router
Video Showing How to Populate the Routing Table

Populating the Routing Table with Static Routes for Single Exit Networks

Static Routing

Populating the Routing Table with Dynamic Routes for Multiple Exit Networks

Introduction to Dynamic Routing Protocols
Distance Vector Routing Protocols 
RIP Version 1
RIP Version 2
RIP Capture File
EIGRP
EIGRP Capture File
Link State Routing Protocols
OSPF in a Single Area 
OSPF Capture File
OSPF in Multiple Areas
IS-IS
Route Redistribution
BGP
SDN

Connecting Point A to Point B Using a WAN

What is a WAN
What Does a WAN Look Like

Methods Used to Connect Point A to Point B in LANs, CANs, MANs, and WANs

A Summary of All of the Possible Ways to Connect Point A to Point B

Methods Used to Create Local Area Networks

Ethernet Over Copper UTP Cable

Methods Used to Create Campus Area Networks

FDDI
Ethernet Over Fiber Optic Cable
Radio Frequency CAN
Free Space Optics CAN

Methods Used to Create Metropolitan Area Networks

SONET - AT&T Brochure on Ring Services
Dark Fiber
Packet Over SONET
Radio Frequency MAN

Methods Used to Create Wide Area Networks

Use Over Time of Data Lines

Methods Used Long Ago and Now Retired

X.25
Analog
DDS
Switched 56K
ISDN
SMDS

Methods Currently Used for Point to Point Links

T Carrier
Channelized ATM
Frame Relay
Carrier Ethernet AT&T Brochure on Ethernet Services
MPLS
Satellite

Methods Currently Used to Connect to the Internet in Order to Use it as the Wide Area Network

Cable
DSL
VPN
FTTP
Cellular
Satellite

Methods Used for VOIP Phone Systems

SIP Trunking

Methods Commonly Discussed But Never Implemented

Powerline Distribution

How Do I Select One of These

How Much Bandwidth Do I Need Between Point A and Point B
Which One of These Methods Should I Select to Connect Point A to Point B

The Service Providers You Contact In Order To Arrange for One of These Data Lines

Service Providers

Layer 1 Devices Used in WANs

Demarc
CSU/DSU
Analog Modem
ISDN Modem
Cable Modem
DSL Modem
Packet Over SONET Interface
Radio Frequency CAN Equipment
Free Space Optics CAN Equipment
Satellite Equipment
EWAN Equipment
IAD
ADM
Optical Interfaces

Layer 2 Encapsulation Methods Used in WANs

Frames Used on the Original Dedicated Circuits

HDLC PPP Channelized ATM
HDLC Capture File
PPP Capture File
ATM Capture File
ATM Capture File

Frames Used on the Original Shared Network

Frame Relay
Frame Relay Capture File

Frames Used on Current Shared Networks

MPLS The Internet as the Network
MPLS Capture File
PPPoE Capture File

Frames Used on Current Dedicated Circuits

Carrier Ethernet
Ethernet Capture File

Securing the Connection Between Point A and Point B

Basic Network Security Considerations
Details on ACLs
Details on VPNs

Wireless Networks

Concepts It Helps to Understand Before Using Wireless Networks

Introduction to Wireless Networks
Radio Frequency Concepts
Modulating, Coding, and Timing Radio Frequency Signals
Video Illustrating the Various Modulation and Multiplexing Methods
Examining the Wireless Spectrum Videos
Types of Spectrum Analyzers
Standalone Type Spectrum Analyzer Hardware and Software
USB Type Spectrum Analyzer Wi-Spy Hardware
USB Type Spectrum Analyzer Wi-Spy Software
Recognizing the Noise Floor
Recognizing Unlicensed Bands Signals
Recognizing a Typical 2.4GHz Signal
Recognizing Bonded Signals by MetaGeek
Radio Frequency Bands
Regulation of Wireless Systems
Parts of a Radio Frequency System

How Small Wireless Networks Operate and the Parts Needed for Them

802.11 Standards and Operation
802.11 Equipment
Video Showing an Example of a Wireless LAN
Wireless LAN Site Survey Procedure
How to Perform a Measured Site Survey as Shown by MetaGeek
How to Perform a Predictive Site Survey as Shown by Ekahau
Installation Verification
RFID
RFID Example

How Large Wireless Networks Operate and the Parts Needed for Them

Wireless CAN Using a Radio Frequency System
Video Showing an Example of a Wireless Radio Frequency CAN
Wireless CAN Using Free Space Optics
Video Showing an Example of a Wireless Free Space Optics CAN
Video Showing a Typical Free Space Optics Beam
Video Discussing How To Install a Free Space Optics Link by Lightpointe
Wireless MAN
Video Showing an Example of a Wireless Unlicensed Frequency MAN
Video Showing an Example of SCADA Systems
Wireless WAN
Video Showing an Example of a Wireless WAN

How to Design a Wireless Network

Network Design Methodology
High Availability Design Specifics
Wireless Network Design Details
Wireless Network Design for Voice Considerations
High Density Wireless Network Design

How to Install the Parts of a Wireless Network

Installing Equipment for Inside Wireless Networks
Installing Equipment for Outside Wireless Networks - Towers
Installing Equipment for Outside Wireless Networks - Everything Else

How to Secure a Wireless Network

Wireless Network Security

How to Fix a Wireless Network When It Stops Working

Troubleshooting a Wireless Network
Video Illustrating How to Examine a Typical 802.11bgn Wireless Frame
Capturing Wireless Frames With A NIC
How to Use a Spectrum Analyzer to Troubleshoot a Wireless Network Videos
Impact of Distance and Obstacles on Signal Strength
Recognizing Co-Channel Interference
Recognizing Adjacent Channel Interference
Recognizing All Channel Interference
Recognizing a FHSS Signal

Voice and VOIP

The Voice Market

The Traditional Voice Network

The PSTN

PSTN - Past and Future
PSTN - How It Works

Implementing the Traditional Voice Network

Key System Solutions
PBX Solutions

The New Voice Network

VOIP

VOIP - Concept
VOIP - How It Works

Implementing the New Voice Network

Open Source Solutions
Cisco Solutions
Avaya Solutions
Outsourcing Solutions
Telephony Applications
SIP Trunking
QoS for VOIP
Network Design for VOIP
Troubleshooting VOIP

Video on the Data Network

Managing Video Sources and Traffic on the Network

Network Design

Method Used to Design a Network

Network Design Methodology

Details on Network Design

Virtualization Specifics
LAN Design Specifics
CAN Design Specifics
MAN Design Specifics
WAN Design Specifics
Bandwidth Management Specifics
Wireless Network Design Specifics
Voice Design Specifics
Addressing Design Specifics
High Availability Design Specifics
Data Center Design Specifics

Modeling Networks Before Deployment

Network Modeling

Repairing the Network When It Breaks

Approach to Troubleshooting
Troubleshooting Methodology
Examining the Hardware Layers for Problems
Checking the Media
Wired Media
Visually Examining the Cabling
Testing the Cabling with a Cable Tester
Wireless Media
Determining What Parts of a Radio Frequency Spectrum Are Available
Determining What Radio Frequency Channels Are Available
Devices on the Network
Methods to Check Devices for Problems
Examining the Software Layers for Problems
Examining the Operation of the Protocols Being Used on the Network
How to Use a Protocol Analyzer
Using a Protocol Analyzer to Examine a Network for Problems
An Example of Troubleshooting a Network Problem
Using a Protocol Analyzer to Collect and Examine VLAN Tags
Examining Specific Types of Networking
Troubleshooting a Wireless Network
Collecting Information on the Network's Operation
Testing Connectivity
Collecting Network Data

Examining the Operation of the Protocols Used on the Network

Using a Protocol Analyzer to Examine a Network for Problems
An Example of Troubleshooting a Problem
Troubleshooting Example Capture File
An Example of Troubleshooting a Problem
Using a Protocol Analyzer to Collect and Examine VLAN Tags

Keeping Up With Advancements

Standards Organizations
White Papers
Trade Press

Current Advancements

Virtualization
What is Virtualization
Oracle Virtualization
VMware Virtualization
Microsoft Virtualization
Xen Virtualization
Citrix Virtualization
Software Defined Networks
SDN
Optical Interfaces
Optical Interfaces
Video Traffic
Video on the Network
Database Management
SQL Databases
Network Management
Measuring and Displaying the Environment in a Network Equipment Room
What is the Cloud
Routing Protocols
OSPF in Multiple Areas
IS-IS
BGP
IPV6 Deployment
IPV6
Connecting Point A to Point B
MPLS
 

How To Learn Complex Material

How to Learn Complex Material
Video on What Happens To Those Who Do Not Study
Throwing Out a Fishing Line

The Personal Development You Need to Do

Degrees Certifications Experience
How to Pass the CCNA Test
Training v Education
How Not to Be Left Behind Once You Have the Job