Home > Store

Controller-Based Wireless LAN Fundamentals: An end-to-end reference guide to design, deploy, manage, and secure 802.11 wireless networks

Register your product to gain access to bonus material or receive a coupon.

Controller-Based Wireless LAN Fundamentals: An end-to-end reference guide to design, deploy, manage, and secure 802.11 wireless networks

eBook (Watermarked)

  • Your Price: $44.15
  • List Price: $55.19
  • Includes EPUB and PDF
  • About eBook Formats
  • This eBook includes the following formats, accessible from your Account page after purchase:

    ePub EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    Adobe Reader PDF The popular standard, used most often with the free Acrobat® Reader® software.

    This eBook requires no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

Description

  • Copyright 2011
  • Dimensions: 7-3/8" x 9-1/8"
  • Pages: 320
  • Edition: 1st
  • eBook (Watermarked)
  • ISBN-10: 0-13-290384-9
  • ISBN-13: 978-0-13-290384-4

Controller-Based Wireless LAN Fundamentals

An end-to-end reference guide to design, deploy, manage, and secure 802.11 wireless networks

Jeff Smith
Jake Woodhams
Robert Marg

As wired networks are increasingly replaced with 802.11n wireless connections, enterprise users are shifting to centralized, next-generation architectures built around Wireless LAN Controllers (WLC). These networks will increasingly run business-critical voice, data, and video applications that once required wired Ethernet.

In Controller-Based Wireless LAN Fundamentals, three senior Cisco wireless experts bring together all the practical and conceptual knowledge professionals need to confidently design, configure, deploy, manage, and troubleshoot 802.11n networks with Cisco Unified Wireless Network (CUWN) technologies.

The authors first introduce the core principles, components, and advantages of next-generation wireless networks built with Cisco offerings. Drawing on their pioneering experience, the authors present tips, insights, and best practices for network design and implementation as well as detailed configuration examples.

Next, they illuminate key technologies ranging from WLCs to Lightweight Access Point Protocol (LWAPP) and Control and Provisioning of Wireless Access Points (CAPWAP), Fixed Mobile Convergence to WiFi Voice. They also show how to take advantage of the CUWN’s end-to-end security, automatic configuration, self-healing, and integrated management capabilities.

This book serves as a practical, hands-on reference for all network administrators, designers, and engineers through the entire project lifecycle, and an authoritative learning tool for new wireless certification programs. This is the only book that

  • Fully covers the principles and components of next-generation wireless networks built with Cisco WLCs and Cisco 802.11n AP
  • Brings together real-world tips, insights, and best practices for designing and implementing next-generation wireless networks
  • Presents start-to-finish configuration examples for common deployment scenarios
  • Reflects the extensive first-hand experience of Cisco experts
  • Gain an operational and design-level understanding of WLAN Controller (WLC) architectures, related technologies, and the problems they solve
  • Understand 802.11n, MIMO, and protocols developed to support WLC architecture
  • Use Cisco technologies to enhance wireless network reliability, resilience, and scalability while reducing operating expenses
  • Safeguard your assets using Cisco Unified Wireless Network’s advanced security features
  • Design wireless networks capable of serving as an enterprise’s primary or only access network and supporting advanced mobility services
  • Utilize Cisco Wireless Control System (WCS) to plan, deploy, monitor, troubleshoot, and report on wireless networks throughout their lifecycles
  • Configure Cisco wireless LANs for multicasting
  • Quickly troubleshoot problems with Cisco controller-based wireless LANs

This book is part of the Cisco Press® Fundamentals Series. Books in this series introduce networking professionals to new networking technologies, covering network topologies, sample deployment concepts, protocols, and management techniques.

Category: Wireless

Covers: Cisco Controller-Based Wireless LANs

Sample Content

Table of Contents

Introduction

Chapter 1 The Need for Controller-Based Wireless Networks

Why Wireless LAN Controllers Were Created

Why You Need to Use a Wireless LAN Controller

Controller-Based WLAN Functional and Elemental Architecture

Autonomous AP Issues and the WLC Remedy

    Problem: WLAN APs Are Difficult to Deploy

    Problem: WLANs Are Not Secure

    Problem: Infrastructure Device Configuration and Scaling

        Problem: Autonomous AP Costs for Configuring Each AP

        Problem: Autonomous AP Costs for Keeping Each AP’s Software Up to Date

        Problem: RF Expertise and Configuration Challenges

Mobility Applications Enabled by Controller-Based WLANs

WLANs Do Not Provide the Performance and Robustness Needed for Use as a Primary Access Network

Summary

Chapter 2 Wireless LAN Protocols

Understanding the Relevant Standards

    Wi-Fi Alliance

    Cisco Compatible Extensions

    IETF

The Physical Layer

    Physical Layer Concepts

CAPWAP

    CAPWAP Versus LWAPP

    CAPWAP Protocol Fundamentals

        CAPWAP Terminology

        CAPWAP Control Messages

        CAPWAP Data Messages

        CAPWAP State Machine

        CUWN Implementation of the CAPWAP Discovery

        CAPWAP Transport

    CAPWAP MAC Modes

        Split MAC Mode

        Local MAC Mode

    Summary of CAPWAP

Packet Flow in the Cisco Unified Wireless Network

    CAPWAP Control

    CAPWAP Data Path: Centrally Bridged Traffic

    CAPWAP Data Path: Locally Bridged Traffic

Summary of Packet Flow

Summary

References

Chapter 3 802.11n

IEEE 802.11n Standard

    802.11n MAC

    Other 802.11 Standards Used with 802.11n

    Frequency Bands Supported by 802.11n

Antenna Arrays

    Transmit Beam Forming (TxBF)

    Beam Steering

    Spatial Multiplexing

    Transmit Diversity

Multiple Input, Multiple Output (MIMO)

    Multipath

    MIMO Nomenclature

    Receiver Diversity

        Branch Selection Diversity

        Branch-Combining Diversity

        Diversity Antenna Array, Type, Orientation, and Spacing

    Transmit Beam-Forming Types

        Legacy Beam Forming

        Implicit Beam Forming

        Explicit Beam Forming

    MIMO Antenna Array Coverage and Placement

Coding

    Binary Convolutional Coding (BCC)

    Low-Density Parity Checking (LDPC)

HT PHY and Operation

    HT Mixed

    HT-Greenfield Format

Channel Bonding/40-MHz-Wide Channels

    Protection

Power Management

Packet Aggregation

    Bursting/Block ACK (BACK)

    Short Guard Interval (GI)

    Reduced Inter-Frame Spacing (RIFS)

Reverse Direction Protocol (RDP)

Modulation and Coding Schemes (MCS)

Configuration Requirements to Obtain HT Rates

Predicting 802.11 Link Performance

Summary

Chapter 4 Cisco Unified Wireless LAN Security Fundamentals

Understanding WLAN Security Challenges

    Vulnerabilities Inherent to the Radio Transmission Medium

        Physical Containment Problem

        Unlicensed Radio Spectrum Problem

    Vulnerabilities Inherent to the Standards Definitions

        Authentication and Encryption Weaknesses

        Unauthenticated Management Frames

    Vulnerabilities Inherent to Mobility

    Misconfigured Wireless Devices and Clients

    Rogue Access Points and Devices

    Readily Available Profiling and Attack Tools

Addressing the WLAN Security Challenges

    Background on Strong Authentication and Privacy

        How WEP Encryption Works

        How WEP Is Broken

        802.11 Authentication

    Addressing the Strong Authentication and Privacy Challenges

        Authentication Framework

        Authentication Algorithm

        Data Privacy and Integrity

        Alternative Approaches to Authentication and Data Privacy

    Rogue Access Point Detection and Wireless Intrusion Prevention

    Secure Management and Security Policies

Summary

References

Chapter 5 Design Considerations

100 Percent Wireless Access Layer

    Client Device Power

    RF Vulnerability

    Volume of Network Traffic

Increased and Difficult WLAN Coverage Requirements

    Elevators

        External Bleed-Through

        Elevator Shaft Coverage

        Access Point Installed in Elevator Car

Continuous Availability and Outage Planning

    Power Loss

        Equipment Failures: APs, WLCs, and Backhaul Network

    RF Interference

        Denial of Service Attacks

        Business Operation Continuity in the WLAN Era

Power Conservation

Flexibility

WLAN Capacity

Summary

Chapter 6 Cisco Unified Wireless LAN Architectures

Cisco Unified Wireless LAN Architecture Review

Architectural Flexibility, Scalability, and Resiliency

    Architectural Flexibility

    Architectural Resiliency

        N:1 WLC Redundancy

        N:N WLC Redundancy

        N:N:1 WLC Redundancy

    Architectural Scalability

        Mobility

        Mobility Domains

Campus Architectures

    Enterprise Wiring Closet Deployment

    Enterprise Distribution Layer Deployment

    Data Center or Services Block Deployments

    Campus HREAP

Branch Architectures

    Distributed Branch Controller Placement

    Centralized Controller Placement with HREAP

    Office Extend AP (OEAP)

Summary

Chapter 7 Troubleshooting

Tools for Troubleshooting 802.11 Wireless Networks

    Wireless LAN Controller Command-Line Interface

    Wireless Control System (WCS)

    Wireless Protocol Analyzer

    Spectrum Analyzers

Isolating Issues on the Cisco Unified Wireless Network

    Protocol/Network Issues

        LWAPP/CAPWAP Discovery Process

        Troubleshooting the LWAPP CAPWAP Discovery Process

        Network Considerations

    Client Troubleshooting

        Troubleshooting Client Issues Using the WLC CLI

        Troubleshooting Client Issues Using WCS

        Common Client Problems and Solutions

The Wireless Medium: Troubleshooting Performance-Related Issues

    Coverage and Interference Issues

        Detecting, Isolating, and Solving Coverage Issues

        Detecting, Isolating, and Solving Interference Issues

Troubleshooting Advanced Wireless LAN Services

    Voice over WLAN

        Voice over WLAN Challenges

        Troubleshooting VoWLAN

    Location Troubleshooting

        Troubleshooting Location Accuracy

Summary

Chapter 8 Introduction to WCS

Designing Wireless Networks with WCS

    WCS Requirements

    WCS Interface

    WCS Monitoring

        Maps

        Controllers and AP Monitor

        Client Monitoring

    WCS Reporting

    WCS Configuration

        Controller Configuration Templates

        WCS Configuration and Template Auditing

        AP Configuration Templates

    WCS Services

    WCS Administration

        Role-Based Access Control (RBAC)

        WCS Virtual Domains

        WCS License Center

Additional Benefits of WCS: Planning and Calibration Tools

    WCS Planning

    WCS Calibration

Summary

Chapter 9 Next-Generation Advanced Topics: Multicast

Multicast

    Multicast Definition

    Multicast Addressing

    Multicast Forwarding

        Multicast Distribution Trees

        Protocol Independent Multicasting (PIM)

        IGMP

Multicast Configuration in the CUWN

    Access Point–to–Client Delivery

    Client–to–Access Point Delivery

    Enabling Multicast on a Cisco WLAN Controller

        MGIDs

    Multicast Mobility Messaging

    Enabling Multicast on a Cisco Router or Layer 3 Switch

VideoStream

    Principles of VideoStream

        Multicast Reliability

        QoS

    Configuring VideoStream on the WLC

Additional Design Recommendations

    Wireless Multicast Roaming

    Wireless CAPWAP Fragmentation

    All WLCs Have the Same CAPWAP Multicast Group Address

    WLC Placement

Summary

9781587058257    TOC    10/11/2010

Updates

Submit Errata

More Information

InformIT Promotional Mailings & Special Offers

I would like to receive exclusive offers and hear about products from InformIT and its family of brands. I can unsubscribe at any time.

Overview


Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site.

This privacy notice provides an overview of our commitment to privacy and describes how we collect, protect, use and share personal information collected through this site. Please note that other Pearson websites and online products and services have their own separate privacy policies.

Collection and Use of Information


To conduct business and deliver products and services, Pearson collects and uses personal information in several ways in connection with this site, including:

Questions and Inquiries

For inquiries and questions, we collect the inquiry or question, together with name, contact details (email address, phone number and mailing address) and any other additional information voluntarily submitted to us through a Contact Us form or an email. We use this information to address the inquiry and respond to the question.

Online Store

For orders and purchases placed through our online store on this site, we collect order details, name, institution name and address (if applicable), email address, phone number, shipping and billing addresses, credit/debit card information, shipping options and any instructions. We use this information to complete transactions, fulfill orders, communicate with individuals placing orders or visiting the online store, and for related purposes.

Surveys

Pearson may offer opportunities to provide feedback or participate in surveys, including surveys evaluating Pearson products, services or sites. Participation is voluntary. Pearson collects information requested in the survey questions and uses the information to evaluate, support, maintain and improve products, services or sites, develop new products and services, conduct educational research and for other purposes specified in the survey.

Contests and Drawings

Occasionally, we may sponsor a contest or drawing. Participation is optional. Pearson collects name, contact information and other information specified on the entry form for the contest or drawing to conduct the contest or drawing. Pearson may collect additional personal information from the winners of a contest or drawing in order to award the prize and for tax reporting purposes, as required by law.

Newsletters

If you have elected to receive email newsletters or promotional mailings and special offers but want to unsubscribe, simply email information@informit.com.

Service Announcements

On rare occasions it is necessary to send out a strictly service related announcement. For instance, if our service is temporarily suspended for maintenance we might send users an email. Generally, users may not opt-out of these communications, though they can deactivate their account information. However, these communications are not promotional in nature.

Customer Service

We communicate with users on a regular basis to provide requested services and in regard to issues relating to their account we reply via email or phone in accordance with the users' wishes when a user submits their information through our Contact Us form.

Other Collection and Use of Information


Application and System Logs

Pearson automatically collects log data to help ensure the delivery, availability and security of this site. Log data may include technical information about how a user or visitor connected to this site, such as browser type, type of computer/device, operating system, internet service provider and IP address. We use this information for support purposes and to monitor the health of the site, identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents and appropriately scale computing resources.

Web Analytics

Pearson may use third party web trend analytical services, including Google Analytics, to collect visitor information, such as IP addresses, browser types, referring pages, pages visited and time spent on a particular site. While these analytical services collect and report information on an anonymous basis, they may use cookies to gather web trend information. The information gathered may enable Pearson (but not the third party web trend services) to link information with application and system log data. Pearson uses this information for system administration and to identify problems, improve service, detect unauthorized access and fraudulent activity, prevent and respond to security incidents, appropriately scale computing resources and otherwise support and deliver this site and its services.

Cookies and Related Technologies

This site uses cookies and similar technologies to personalize content, measure traffic patterns, control security, track use and access of information on this site, and provide interest-based messages and advertising. Users can manage and block the use of cookies through their browser. Disabling or blocking certain cookies may limit the functionality of this site.

Do Not Track

This site currently does not respond to Do Not Track signals.

Security


Pearson uses appropriate physical, administrative and technical security measures to protect personal information from unauthorized access, use and disclosure.

Children


This site is not directed to children under the age of 13.

Marketing


Pearson may send or direct marketing communications to users, provided that

  • Pearson will not use personal information collected or processed as a K-12 school service provider for the purpose of directed or targeted advertising.
  • Such marketing is consistent with applicable law and Pearson's legal obligations.
  • Pearson will not knowingly direct or send marketing communications to an individual who has expressed a preference not to receive marketing.
  • Where required by applicable law, express or implied consent to marketing exists and has not been withdrawn.

Pearson may provide personal information to a third party service provider on a restricted basis to provide marketing solely on behalf of Pearson or an affiliate or customer for whom Pearson is a service provider. Marketing preferences may be changed at any time.

Correcting/Updating Personal Information


If a user's personally identifiable information changes (such as your postal address or email address), we provide a way to correct or update that user's personal data provided to us. This can be done on the Account page. If a user no longer desires our service and desires to delete his or her account, please contact us at customer-service@informit.com and we will process the deletion of a user's account.

Choice/Opt-out


Users can always make an informed choice as to whether they should proceed with certain services offered by InformIT. If you choose to remove yourself from our mailing list(s) simply visit the following page and uncheck any communication you no longer want to receive: www.informit.com/u.aspx.

Sale of Personal Information


Pearson does not rent or sell personal information in exchange for any payment of money.

While Pearson does not sell personal information, as defined in Nevada law, Nevada residents may email a request for no sale of their personal information to NevadaDesignatedRequest@pearson.com.

Supplemental Privacy Statement for California Residents


California residents should read our Supplemental privacy statement for California residents in conjunction with this Privacy Notice. The Supplemental privacy statement for California residents explains Pearson's commitment to comply with California law and applies to personal information of California residents collected in connection with this site and the Services.

Sharing and Disclosure


Pearson may disclose personal information, as follows:

  • As required by law.
  • With the consent of the individual (or their parent, if the individual is a minor)
  • In response to a subpoena, court order or legal process, to the extent permitted or required by law
  • To protect the security and safety of individuals, data, assets and systems, consistent with applicable law
  • In connection the sale, joint venture or other transfer of some or all of its company or assets, subject to the provisions of this Privacy Notice
  • To investigate or address actual or suspected fraud or other illegal activities
  • To exercise its legal rights, including enforcement of the Terms of Use for this site or another contract
  • To affiliated Pearson companies and other companies and organizations who perform work for Pearson and are obligated to protect the privacy of personal information consistent with this Privacy Notice
  • To a school, organization, company or government agency, where Pearson collects or processes the personal information in a school setting or on behalf of such organization, company or government agency.

Links


This web site contains links to other sites. Please be aware that we are not responsible for the privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of each and every web site that collects Personal Information. This privacy statement applies solely to information collected by this web site.

Requests and Contact


Please contact us about this Privacy Notice or if you have any requests or questions relating to the privacy of your personal information.

Changes to this Privacy Notice


We may revise this Privacy Notice through an updated posting. We will identify the effective date of the revision in the posting. Often, updates are made to provide greater clarity or to comply with changes in regulatory requirements. If the updates involve material changes to the collection, protection, use or disclosure of Personal Information, Pearson will provide notice of the change through a conspicuous notice on this site or other appropriate way. Continued use of the site after the effective date of a posted revision evidences acceptance. Please contact us if you have questions or concerns about the Privacy Notice or any objection to any revisions.

Last Update: November 17, 2020