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Understanding ArubaOS

By Jamie Easley, Airheads Community Manager
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Understanding ArubaOS by @westcott will help you understand the different pieces of Aruba's controller-based wireless environment, the functions of the different pieces, and how they all fit together. The book does not just focus on the commands and configuration screens but attempts to provide functional knowledge about the entire Aruba's wireless system.

The book takes a matter-of-fact, straightforward approach to understand the Aruba architecture and its components. David uses stories and analogies to make it easier to understand complex topics. The book is not intended to be an A through Z, step-by-step user's guide to configuring ArubaOS; however, it does provide graphics and CLI commands and output throughout the book, describing and showing the steps to perform most of the tasks in the book.

David provides many logic diagrams and flowcharts, along with pages of explanations, describing what occurs at each step. If you go to his website, www.westcott-consulting.com, many of these diagrams can be freely downloaded and printed for personal reference. Some of the diagrams include:

  • Conductor/member architecture
  • AP forwarding modes
  • Role/VLAN derivation flowchart
  • Virtual AP (VAP) profile components
  • 1X VAP
  • Captive portal VAP
  • PSK VAP
  • Captive portal logical flow
  • Remote AP (RAP) configuration

If you are already working with or managing an Aruba controller environment, this book will help you understand concepts that you may not be familiar with, and help you better understand the more advanced features of the ArubaOS by reinforcing the foundation that those advanced subjects are built on.

If you are new to Aruba Networks Wireless controller platform, this book will provide a good foundation that will make it easier for you to further learn and understand the product through formal Aruba training classes, hands-on experience, conversations with your peers, and through the many other available Aruba resources. Understanding ArubaOS is truly a resource for an Aruba network administrator at any level.

Many of you may already be familiar with David Westcott. David is an established author in the wireless industry, having co-authored seven other books about wireless networking, security and analysis; including the bestselling CWNA: Certified Wireless Network Administrator Official Study Guides. David is also well-known in the Aruba community. As Aruba's senior trainer, David has taught thousands of customers, partners, and employees over the past 13-plus years.

Understanding ArubaOS

Table of Contents:

  1. Wireless Overview
  2. Understanding the ArubaOS Environment
  3. Aruba Controller and Software Overview
  4. Getting Started
  5. Profiles
  6. Authentication and Encryption
  7. Role Derivation
  8. Policy Enforcement Firewall
  9. Captive Portal
  10. Network Expansion
  11. Access Points
  12. Adaptive Radio Management
  13. Network Monitoring
  14. Wireless Mesh
  15. Wireless Intrusion Prevention