Introducing network analysis and data capture for 802.11ac

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Jay Botelho Director of Product Management [email protected] Chris Bloom Director of Custom Engineering [email protected]

Introducing Network Analysis and Data Capture for 802.11ac

© WildPackets, Inc. #wp_omnipeek

Details

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• There will be Q&A at the end ‒ Feel free to type a question at any time

• Slides and recording will be available ‒ Via a follow-up email

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Agenda

• What’s New in Version 7.5 • Demo • Wrap-Up

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What’s New in Version 7.5

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Version 7.5 New Features • Full 802.11ac support

‒ First to market ‒ Data collection and analysis

• Data captures from locally–attached or remote APs ‒ Only practical solution for capturing gigabit speed 802.11ac traffic ‒ Eliminates expensive travel costs ‒ Reduces problem resolution from days to hours or even minutes

• Enhanced roaming analysis ‒ Addressing the needs of an increasingly mobile work force

• Interactive channels and WLAN views in Compass ‒ Quickly identify areas that need more detailed, packet-level, analysis

• Significantly improved the write-to-disk performance (wired or wireless) – up to 7Gbps – making it an ideal 24x7 network recording and analysis solution for 802.11ac


OmniPeek 802.11ac Support • Wider channel bandwidths

‒ 80 MHz and 160 MHz channels

• More MIMO ‒ Support for up to 8 spatial streams

• Multi-user MIMO (MU-MIMO) ‒ Multiple STAs transmit or receive independent data streams

simultaneously ‒ Downlink MU-MIMO (one transmitting device, multiple receiving

devices) included as an optional mode

• Low level MAC and RF improvements ‒ Beam forming ‒ MAC modifications


Capturing from Locally–Attached or Remote APs

• APs provide the support and bandwidth required for 802.11ac multi-gigabit capture and analysis

• AP “capture” devices – cross-over cable directly to laptop

• Distributed analysis using deployed APs • The choices:

‒ Custom Remote Adapters ‒ Remote PCAP


Custom Remote Adapters • Allow an AP that can be put into promiscuous mode

to act like a direct-connected sniffing device • Allow the full capabilities of the AP to be leveraged • APs are “reconfigured” via the AP controller

software • Depending on the manufacturer and the model, APs

may or may not be able to continue sending traffic • OmniPeek supports

‒ Cisco – updated for 11ac in Zinfandel ‒ Aruba ‒ Meru ‒ Coming soon: Quantenna – 11n and 11ac


Remote PCAP • An industry standard that allows interaction with a

remote machine to capture packets • Widely available in enterprise-grade APs – makes

802.11ac capture capability easy • Typically not a “marketed feature” by manufacturers • Devices we have worked with include:

‒ Aerohive: Model HiveAP 120 ‒ Ruckus: ZoneFlex 7363 (requires ZoneDirector Controller)

• Others that we’re aware of: ‒ Cisco MDS 9216

• We will continue to compile a list


Enhanced Roaming Analysis

• Support for bonded channels ‒ Improves algorithm for 40, 80MHz operation

• Displays channel, frequency, and band • “Select Related” from any row of a roaming table • Association packet recorded and shown in "Comment" column

‒ Find exactly where and when the roam took place

Addressing the needs of an increasingly mobile work force


Interactive Channels and WLAN Views

• Channels view in Compass

• WLAN view in Compass

• MCS, spatial streams, and adapter columns in Packets view

Quickly identify areas that need more detailed, packet-level, analysis


Other Wireless Enhancements

• Decryption support for multi-channel aggregation ‒ Decrypt across channels for complete visibility ‒ Per-capture support

• Dynamic driver detection in Aggregator ‒ Add or remove WLAN adapters without restarting OmniPeek

• Full support for MCS ‒ Decodes, stats, filters, Compass, remote adapters ‒ The new way to describe data rate in 11n and 11ac

• New adapter “block list” ‒ Stop irrelevant adapters from appearing in the list

• Decodes ‒ Many improvements and bug fixes


Demo

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Wrap-Up

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Summary • The first to support data capture and analysis of 802.11ac traffic • The only to support 802.11n 3-stream (450Mbps) traffic analysis • The most comprehensive for voice-over-wireless (VoFi)

analysis • The only to support remote data capture from commercial

enterprise APs • The best for distributed networks with remote 24x7 real-time

analysis • The only to support packet capture from non-technical users • The most cost-effective by supporting both wireless and wired

network analysis in the same solution • The most comprehensive with an industry-leading UI that

makes troubleshooting effortless


Q&A

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Thank You!

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Technology

Introducing network analysis and data capture for 802.11ac