Fundamentals

EAP-Timers and You

On the WLC, we have a couple of EAP timers that we can manipulate to help with client authentication, they are listed below: EAP-Identity-Request Timeout EAP-Identity-Request Max Retries EAP-Request Timeout (seconds) EAP-Request Max Retries EAPOL-Key Timeout EAPOL-Key Max Retries Before we can manipulate these values, we need to understand what …

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DesignFundamentals

Cisco WLC – Multicast

Introduction Multicast and the Wireless LAN Controller (WLC) Solution Lots of people seem to be confused by multicast, in general, and specifically how the WLC comes into the mix. This document is meant to be an overview of what needs to be done for the WLC to participate in multicast. …

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DesignFundamentalsNewsSecurity

Passing the CWSP (Certified Wireless Security Professional)

Last week I sat the CWSP exam and passed on my first attempt. My overall score was 91%. I want to share my insight into the exam and what I used to prepare.   CWSP VALUE The CWSP study material sets the foundation of 802.11 security. Its the building blocks …

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FundamentalsSurveyTools

What’s the Frequency, Kenneth?

Recently I’ve been getting into controlling RC vehicles such as planes and trucks by using what’s called FPV (First Person View) where you have a camera installed in the vehicle with a wireless video downlink to a ground station. [Link] While researching what video frequency to use for the video …

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Fundamentals

Cisco WISM 2 Part Numbers: Quick Reference

I wanted to reference these part numbers as a quick reference for anyone that is looking for this information. WISM 2 HARDWARE w/ SMARTNET The WISM 2 hardware can be purchased in the available license sizes. They start at 100 and can be maxed out at 1000.  You receive the …

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Fundamentals

Cisco AP VCI 60 – “ServiceProvider”

I was helping another engineer troubleshoot a Cisco access point join problem. To my surprise I discovered the VCI was “Cisco AP c3500-ServiceProvider” I can appreciate when I end a day with a quick reflection, did I learn anything new today? Yesterday was one of those days! I was assisting …

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DesignFundamentals

Multiple Country Codes with the Cisco WLC

we’ve been seeing a lot of questions lately about Multiple country codes on the controller in support forums.  To that end George asked me to write up this article. So from the beginning, if you only have one regulatory domain that you need to support, your life is easy.  Simply choose the correct reg …

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DesignFundamentalsNews

WLC: AP Managers Are Pingable – 7.x onwards

Since the very beginning the AP manager on a Cisco WLC would never respond to pings. Well that has all changed if you use LAG and a AP manager with 7.x code! I like how Cisco hides little nuggets in their documentation. It states, in LAG mode, the management and …

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