Module 1 - 12: Outline
Module : Introduction to Wireless LANs
Module Overview
Introduction to Wireless LANs
What is a wireless LAN?
No more wires?
Why wireless?
Evolution of wireless LANs
Networking Media
Physical layer media
STP
UTP
Coaxial cable
Optical fiber
Atmosphere: the wireless medium
Media installation
Wireless Technologies
Overview
Digital wireless and cellular
Components and Topologies
Components overview
Client adapters
Access points
Bridges
Antennas
Cables and accessories
802.11 enabled devices
Consumer wireless products
Wireless LAN Topologies
Wireless LAN Market
Implications
WLAN growth and applications
Market requirements
Challenges and Issues
Radio signal interference and degradation
Power management
Interoperability
Network security
Reliability and connectivity
Installation and site design issues
Health issues
Future directions
Module: Summary
Module: Quiz

Module : IEEE 802.11 and Network Interface Cards
Module Overview
802.11 Standards
Overview
IEEE and 802.11
IEEE 802.2 LLC review
Wireless LAN general description
Logical architecture
802.11 MAC Layer
MAC services
MAC frame structure, architecture, and operation
Carrier-sense mechanism, MAC-level acknowledgements, and interframe spaces
Physical Layer (PHY)
Scope and functions
IEEE 802.11b (High–Rate) DSSS PHY specification
802.11b modulation
IEEE 802.11a PHY specification
IEEE 802.11g PHY specification
FHSS and Infrared (IR) PHY specifications
Client Adapters
Introduction
Parts of the client adapter
Driver types and client support
Network configurations using the client adapters
Aironet Client Utility (ACU)
Overview
Installation
Create and select profiles
Edit, import, and export profiles
Manage profiles
Configure the client adapter
Aironet Client monitor (ACM)
Configure the client IP address
ACU Monitoring and Troubleshooting Tools
Overview
Status and statistics
Cisco WLAN troubleshooting
Survey and Link Test Tool
Link Status Meter
Module: Summary
Module: Quiz

Module : Wireless Radio Technology
Module Overview
Waves
Overview of waves
Sine waves
IEEE 802.2 LLC review
Mathematics for Studying Radio
Watts
Decibels
Decibel references
Electromagnetic (EM) Waves
Basics of EM waves
EM spectrum chart
Fourier synthesis
Spectrum uses
Signals
Viewing signals in time
Viewing signals in frequency
Signals in time and frequency
Noise in time and frequency
Modulation Techniques
Carrier frequency
Basic modulation techniques
FHSS
DSSS
OFDM
Multiple Access and Bandwidth
Multiple access to shared medium
WLAN DSSS and CSMA/CA
Bandwidth
Radio Wave Propagation
Propagation of RF
Refraction
Reflection
Diffraction and scattering
Multipath
Path-loss
Module: Summary
Module: Quiz

Module : Wireless Topologies
Module Overview
Components
Laptops and workstations
Mobile computers, PDAs, and barcode readers
Clients and adapters
Access points and bridges
Antennas
Ethernet and wired LANs
WLAN Topologies
Modularity
WLAN categories
Local area networks (LAN)
Wireless repeater
System redundancy and load balancing
Roaming
Scalability
Channel Setup
Overview
Access point coverage and comparison
Multirate implementation
Channel usage and interference
Bridge Topologies
Root modes
Point-to-point configuration
Point-to-multipoint configuration
Distance limitations
Bandwidth
Sample Topologies
Basic topologies
Campus topologies
WLAN addition to AVVID
VLAN, QoS, and Proxy Mobile IP
VLAN features
Quality of Service (QoS) feature
eDCF
Proxy mobile IP
Module: Summary
Module: Quiz

Module : Access Points
Module Overview
Access Point Connection
Introduction
Radio upgrade
Cable and power the AP
LED Indicators
Connecting to the AP
Reset the AP
Basic Configuration
Configure IP address and SSID via IPSU
Navigating the GUI
Configure basic settings via GUI
Navigating the CLI
Configure basic settings via CLI
Verify AP Operation
Overview
Summary status (HOME) page
Network map
Associations
ACM and ACU
Network Interface Configuration
Overview
IP address
Configure the FastEthernet interface
Configure radio interfaces via GUI
Configure radio interfaces through the IOS CLI
Verify radio status
Carrier busy test
Debugging the radio
Configure Services
Overview
Telnet/SSH
Hot standby
CDP
DNS
HTTP
Proxy Mobile IP
QoS
NTP
Wireless Services
Overview
AP
WDS
Module: Summary
Module: Quiz

Module : Bridges
Module Overview
Bridge Connection
Introduction
Bridge roles in the network
Cable and power the bridge
LED indicators
Connecting to the bridge
Reset the bridge
Basic Configuration
Configure IP address and SSID through IPSU
Navigating the GUI
Configure basic settings through the GUI
Navigating the menu
Configure basic settings using the menu
Configuring the radio and Ethernet ports
Basic radio port configuration
Extended radio configuration – hardware page
Extended radio configuration – advanced page
Configuring the Ethernet port – identification page
Configuring the Ethernet port – hardware page
Configuring the Ethernet port – advanced page
Configuring Services
Configuring time services
Configuring boot services
Configuring name services
Configuring routing setup
Cisco Services
Services overview
CDP
Firmware upgrade and distribution
Hot standby management
Manage system configuration
1400 Series Bridge
Overview
Models and options
Components and accessories
IOS features
Module: Summary
Module: Quiz

Module : Antennas
Module Overview
Antennas
Introduction
Variables
Bandwidth
Beamwidth
Gain
Polarization
Radiation patterns
Diversity
Omnidirectional Antennas
Introduction
2.2 dBi Dipole "rubber duck" antenna(s)
Ceiling antennas
Mast antennas
Pillar antennas
Integrated antennas
Directional Antennas
Introduction
Patch antennas
Yaqi
Solid dish
5 GHz sector
Cable and Accessories
Cable selection
Cable loss
Cable connectors and splitters
Amplifiers
Lightning arrestor
Link Engineering and RF Path Planning
Overview
Earth bulge
Site survey and path profiling
Alignment and interference
Antenna Installation
Overview
Ladder safety
Installation safety
Legal issues
EIRP rules
Module: Summary
Module: Quiz

Module : Security
Module Overview
Security Fundamentals
What is security?
WLAN vulnerabilities
WLAN threats
Reconnaissance
Access
Denial of service
Basic WLAN Security Technologies
The WLAN security wheel
First generation wireless security
Wired equivalent privacy (WEP)
Authentication and association
Configuring Basic WLAN Security
Basic WLAN security
Enabling protocol and MAC filters on APs
Securing clients and APs
Monitoring WLAN equipment
Disable unneeded services
Enterprise WLAN Authentication
Second generation authentication
Authenticating wireless users
802.1x basics
How 802.1x works
802.1x authentication types
Choosing an 802.1x type
Enterprise Wireless Encryption
Strengthening WEP
Message integrity check
Broadcast key rotation (BKR)
Second generation encryption
Using VPNs
Other Enterprise Security Services
VLANs
Spanning tree
Module: Summary
Module: Quiz

Module : Applications, Design, and Site Survey Preparation
Module Overview
Site Survey
Site survey
Site survey considerations
Standards and topologies
Important considerations
Applications
Changing technology and applications
WLAN Design
Design guidelines
Applications and data collection
Load and coverage
Bandwidth and throughput
Mobile users
Power consumption
Interference
Encryption
Fire code and safety issues
Building-to-building Design
Building-to-building overview
Design examples
Path considerations
Installation considerations
Site Survey Equipment
Equipment
APs and cards
Antennas and attenuators
Battery packs, cables, mounting, and markers
Measuring devices and digital cameras
Travel case
RF test device
Site Survey Documentation and Utilities
Site drawing and walkthrough
Bridge range calculation utility
ACU site survey
Link status meter (LSM)
Module: Summary
Module: Quiz

Module : Site Survey and Installation
Module Overview
Infrastructure Awareness
Working with personnel
LAN infrastructure
Network map
LAN media
Firewalls, risers, cable paths, and service loops
Existing Network
Check the existing network health
Network performance baseline
Survey
Preparation
Getting started
Channel selection, data rates, and overlap
Work with existing conditions
Freezers
Multifloor survey
Interference and RF propagation
Mounting and Installation
AP mounting
Column mounting
Bridge mounting
Antenna mounting
Power
NEMA enclosures
Documentation
Documenting the WLAN design
Request for proposal
WLAN site survey specifics
Site survey report
Module: Summary
Module: Quiz

Module : Troubleshooting, Monitoring, Management, and Diagnostics
Module Overview
General Approach to Troubleshooting
Overview
Symptom – diagnosis – solution
Preparing for network failure
Network and fault management
OSI Troubleshooting
Model overview
Troubleshooting layers
Layer 1: media, connectors, and devices
Layer 2: bridges and switches
Layer 3: routers
Troubleshooting TCP/IP
Diagnostic Tools
Cable testers, multimeters, and network monitors
Sniffers
Spectrum analyzers
Gauss and tesla meters
WLAN Troubleshooting
Firmware
Configuration files
Unit status and password recovery
Antenna cable
Placement and obstacles
System Message Logging
Overview
Configure event notification via GUI
Configure event notification via IOS CLI
SNMP
Configure SNMP
Syslog and SNMP applications
Enterprise Management
Overview
WLSE
Cisco Structured Wireless Aware Network Solution
Aironet Configuration Administration Tool (ACAT)
Wavelink
Airwave
Module: Summary
Module: Quiz

Module : Emerging Technologies
Module Overview
Ultra-wideband Wireless
Overview of ultra-wideband (UWB) wireless
UWB applications
UWB acceptance
Interference
Avoiding interference from other devices
UWB specifics
VoIP and Voice over WLANs
Overview of voice over IP (VoIP)
Components of VoIP
Centralized and distributed VoIP architectures
The ITU-T umbrella protocol: H.323
Session Initiation Protocol (SIP)
MGCP and H.248/Megaco
Miscellaneous VoIP protocols
VoIP and Quality of Service (QoS)
VoIP and WLANs
Mobile Wireless
Brief history of mobile wireless
Overview of mobile wireless systems
Roaming in a mobile wireless system
Mobile wireless middleware
Wireless Application Protocol (WAP)
The Open Mobile Alliance (OMA)
The future of mobile wireless
Wireless Organizations and Certification
The Wireless Fidelity (Wi-Fi) Alliance
Wireless LAN Association (WLANA)
Federal Communications Commission (FCC)
ETSI
UL
Cisco Wireless Certifications
CWNA
Case studies of wireless installations
Appendix
The physical layer
Module: Summary
Module: Quiz



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