802.11ac introduces data rates that exceed 6Gbps – faster than most wired speeds. Even the most sophisticated USB devices based on USB 3.0 (the latest standard) have a theoretical bus speed of 5Gbps, with an effective rate of about 3.2Gbps. So even USB 3.0 does not provide sufficient performance for capturing peak 802.11ac data rates, and every packet counts when it comes to wireless analysis.
In order to effectively and efficiently capture and analyze your WLAN traffic for analysis, you’ll need to look to another device to help you – access points (APs). Using APs as packet capture devices is hugely beneficial because the APs in your network are typically specified to handle the most capable clients that will connect to your WLAN – guaranteeing that you’ll have the capacity to capture whatever traffic is on your WLAN.
via WiFi News by WiFiNovation | Scoop.it More READ
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