DesignFundamentals

So, you want to play with Multicast?… (part 1)

There. I said it. The big bad ‘M word’. Multicast. If you’re anything like I was, this was that grey area of networking that ‘only those video people’ used. You know it has something to do with some IP addresses you’ve never seen used before and you know it’s a …

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NewsSecurity

Cisco Field Notice: Wi-Fi Protected Setup PIN Brute Force Vulnerability

Cisco Response On December 27th, 2011 US-CERT released VU#723755 available here: http://www.kb.cert.org/vuls/id/723755 The US-CERT Vulnerability Note describes a vulnerability that exists in the Wi-Fi Alliance Wi-Fi Protected Setup (WPS) protocol, also known as Wi-Fi Simple Config, when devices are operating in PIN External Registrar (PIN-ER) mode.  Devices operating in PIN-ER …

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News

Cisco WLC 5508 License Gotcha ! (12 AP WLC can only support 487 APs)

Did you know ? If you purchased a Cisco 5508 WLC with a 12 access point license you just limited yourself to 487 access points? The Cisco 5508 is licensed based which means you can add access point licenses as your wireless grows. The Cisco 5508 allows a maximum of …

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