AiroPeek Gettingstarted

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Copyright 2006, WildPackets, Inc. All rights reserved. Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form, or by any means, electronic or mechanical, including photocopying, for any purpose, without the express written permission of WildPackets, Inc. AiroPeek SE, AiroPeek NX, AiroPeek VX, EtherPeek SE, EtherPeek NX, EtherPeek VX, Gigabit Analyzer Card (GAC), GigaPeek NX, iNetTools, NAX, NetDoppler, NetSense, Network Calculator, Omni, Omni Capture Engine, Omni Desktop Engine, Omni DNX Engine, OmniEngine Desktop, OmniEngine Enterprise, OmniEngine Workgroup, Omni Management Console, Omni PacketGrabber, OmniPeek, OmniPeek Enterprise, OmniPeek Enterprise Connect, OmniPeek Personal, OmniPeek Workgroup, OmniPeek Workgroup Pro, OmniPeek Personal, Omnipliance, OmniSpectrum, PacketGrabber, Peek DNX, ProConvert, ProtoSpecs, RFGrabber, RMONGrabber, WAN Analyzer Card (WAC), WANPeek NX, WildPackets, WildPackets Academy, and WildPackets OmniAnalysis Platform are trademarks of WildPackets, Inc. All other trademarks are the property of their respective holders. The material in this document is for information purposes only and is subject to change without notice. While reasonable efforts have been made in the preparation of this document to assure its accuracy, WildPackets, Inc. assumes no liability resulting from errors or omissions in this document, nor from the use of the information contained herein. WildPackets, Inc. reserves the right to make changes in the product design without reservation and without notification to its users.

Contacting WildPacketsMailing Address WildPackets, Inc. 1340 Treat Blvd., Suite 500 Walnut Creek, CA 94597 Voice/Fax 8 AM - 5 PM (PST) (925) 937-3200 (800) 466-2447 (US only) Fax: (925) 937-3211 info@wildpackets.com Sales sales@wildpackets.com Web http://www.wildpackets.com Technical Support http://www.wildpackets.com/support Resources See http://www.wildpackets.com/support/additional_resources/white_papers for white papers, tutorials, technical briefs and more.

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Training and CertificationWildPackets Academy offers the most effective and comprehensive network and protocol analysis training available, meeting the professional requirements of corporate, educational, government, and private network managers. Our instructional methodology is centered on practical applications of protocol analysis techniques. See http://www.wildpackets.com/services for course catalog, current public course scheduling, web-delivered courses, and consulting services. WildPackets Academy (800) 466-2447 training@wildpackets.com

Product Support and MaintenanceWildPackets Product Maintenance Programs ensure that you grow along with our products as new features and enhancements to existing features are added. All WildPackets customers are entitled to technical support for the life of their purchased product(s). Enhanced support services are available through our Premium Maintenance Programs. Premium Maintenance offers Remote Trace File Analysis assistance and free seats in our WildPackets Academy Training courses, in addition to our standard maintenance services. Standard or Premium Maintenance can be purchased by contacting sales@wildpackets.com.

About WildPackets, Inc.Since 1990, WildPackets has been delivering real-time fault analysis solutions that enable the world's leading organizations to keep their networks running securely and reliably, day after day. From the desktop to the datacenter, from wireless LANs to Gigabyte backbones, on local segments and across distributed networks, WildPackets products enable IT organizations to quickly find and fix problems affecting mission-critical network services. WildPackets products are sold in over 60 countries through a broad network of channel and strategic partners. More than 5,000 customers, spanning all industrial sectors and including 80% of the Fortune 1000, use WildPackets products daily to troubleshoot networks and maximize network uptime. WildPackets customers include Agilent, Cisco Systems, Comcast, EDS, Microsoft, Siemens AG, Qualcomm, Unisys, Motorola, and Deutsche Bank. Strategic partners include Aruba, Atheros, Cisco, 3Com, Intel and Symbol Technologies. For further information, please visit www.wildpackets.com.

20060531-E-AP31/11_d3

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ContentsChapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1System requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Installing AiroPeek . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Main program window and Start Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2

Capturing Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Capturing packets into a Capture window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 3

Viewing Decoded Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11The packet decode window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Chapter 4

Monitoring the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Displaying Monitor statistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Baselining with summary statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Chapter 5

Creating Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Creating a graph from a Capture window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 6

Wireless Statistics in Capture Windows . . . . . . . . . . . . . . . . . . 21The WLAN view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 The Channels view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 The Signal view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Chapter 7

Displaying Conversations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25The Conversations view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chapter 8

Troubleshooting with the Expert . . . . . . . . . . . . . . . . . . . . . . . . 27The Expert view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Using the Expert EventFinder Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Using the Visual Expert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Chapter 9

Creating Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Enabling a filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Creating filters with the Make Filter command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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Contents

Creating a simple filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Chapter 10

Using the Peer Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37The Peer Map view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Chapter 11

Using VoIP Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39The VoIP view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Analyzing a single call or channel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Appendix A

Keyboard Shortcuts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

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CHAPTER IntroductionWelcome to AiroPeek, the award-winning wireless network analyzer from WildPackets!

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AiroPeek incorporates advanced capabilities for monitoring and troubleshooting wireless LANs, including full decodes for 802.11a/b/g WLAN standards, encryption and decryption features, and sophisticated displays of channel and signal strength statistics of your wireless network. This Getting Started Guide provides information about three programs:

AiroPeek SE (Wireless LAN Protocol Analyzer): AiroPeek SE (Standard Edition) offers all the features of a great wireless analyzer at an affordable price. In addition, the Conversations tab is unique to AiroPeek SE. See Chapter 7, Displaying Conversations. AiroPeek NX (Expert Wireless LAN Analyzer): AiroPeek NX has all the features of

AiroPeek SE plus an advanced set of expert troubleshooting and diagnostic capabilities (available in the Expert tab) and a graphical view of peer-to-peer communications (available in the Peer Map tab). See Chapter 8, Troubleshooting with the Expert and Chapter 10, Using the Peer Map.

AiroPeek VX (Expert Voice over Wireless LAN Analyzer): AiroPeek VX has all the features of AiroPeek NX plus the analysis of real-time voice data and statistics on both open and closed VoIP connections (available in the VoIP tab). See Chapter 11, Using VoIP Analysis.

Note The term AiroPeek will be used throughout this