Did you wake up this morning to discover that Wi-Fi security is fundamentally broken? Before you toss your phone away, smash your router, and move to a cabin in the woods, it might be good to take stock of the actual issue.
Locations and Beacons: The On-Premise IT Roundtable 3
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On tap for today’s roundtable, the panel discusses the state of locations and beacons. Moderator Stephen Foskett asks the panel to consider how location services factor into the greater enterprise mobility landscape. This goes from using beacons to give turn-by-turn navigation indoors to using location to cue print jobs. Often the backend of these application has been available for a while, but now new use cases are emerging.
WLAN Triage with the Fluke AirCheck
Andrew von Nagy of Revolution Wi-Fi comments: Disclosure – I was provided an evaluation unit by Fluke Networks to review. However, all opinions expressed in this post are solely my own and in no way constitute a paid arrangement. The Fluke Networks AirCheck Wi-Fi Tester has been around for a while now. And I’m late to the […]
PHY Basics: How OFDM Subcarriers Work
Revolution Wi-Fi comments: Have you ever wondered just “how” OFDM subcarriers are able to be spaced so tightly together without any guard band in-between? Most Wi-Fi textbooks will simply state that the spacing of the subcarriers allows the harmonics to overlap, thus canceling out any interference. OFDM subcarrier spacing creates “nulls” canceling out inter-carrier interference […]
U-NII Unlicensed Spectrum Inventory in 5 GHz Bands
Andrew von Nagy of Revolution Wi-Fi comments: Given the recent FCC Report & Order on U-NII (Unlicensed National Information Infrastructure) rule changes in March/April of 2014, I thought it would be helpful to recap the new regulations in the United States regarding the 5 GHz unlicensed spectrum bands. I’ve put together the following table for […]
Making Apple’s OS X DNS Server Work with IPv6
Andrew von Nagy of Revolution Wi-Fi comments: Just a short post to help others out should they be relying on Apple OS X Server for DNS name resolution in their network. If you happen to also be running IPv6 in your network (and at this point WHY wouldn’t you be… seriously!) then you will notice […]
Wi-Fi Alliance Voice-Enterprise Certification: Standardized Fast Secure Roaming
Andrew von Nagy from Revolution Wi-Fi comments: The industry needed a high performance, yet secure, solution to this mobility problem. The answer lies with fast secure roaming. Pre-standard solutions, such as CCKM and OKC have been around for some time but have failed to realize widespread adoption, especially by client manufacturers. The Wi-Fi Allianceâ„¢ Voice-Enterprise […]
SSID Overhead – How Many Wi-Fi SSIDs Are Too Many?
Andrew von Nagy of Revolution Wi-Fi comments: One of the most commonly cited best practices among Wi-Fi professionals is to the limit the number of SSIDs you have configured on your WLAN in order to reduce the amount of overhead on the network and to maintain high performance. But there is not a lot of […]
Setup an IPv6 Tunnel through Hurricane Electric on a Cisco Router
Andrew von Nagy from Revolution Wi-Fi comments: I’ve setup my home network with an IPv6 tunnel through Hurricane Electric. The process is pretty straight forward and I’ll share my learnings with you in this post. How a Manual IPv6-in-IPv4 Tunnel Works Using an IPv6-in-IPv4 tunnel through Hurricane Electric is useful when your current ISP doesn’t […]