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Uploaded on May 2, 2010
Non-802.11 sources of interference can completely disrupt WLAN connectivity and cause undue network downtime. Cisco's CleanAir technology uses a dedicated spectrum analysis ASIC which allows the system to detect, classify and avoid interference within well under a minute. In sharp contrast, Aruba's ARM uses information from the AP's Wi-Fi chipset which is not designed to classify or avoid non-802.11 interference. As a result, Aruba's system can easily be jammed using a simple analog video camera that can be purchased for under $50.