WiFi For Beginners Podcast

In episode 21 of the Wi-Fi For Beginners podcast we complete module 6 of the series, taking a look at Wireless Control and Management [Slides: Module 6: 25 – end]. In this episode we look at: Additional WLC functions WLC sizing Local vs Central switching AP discovery Alternatives to wireless controllers A copy of the slides that accompany module six can be found here Share This:

In episode 20 of the Wi-Fi For Beginners podcast we continue module 6 of the series, taking a look at Wireless Control and Management [Slides: Module 6: 16 – 24]. In this episode we look at: The management plane of a WLAN The control plane of a WLAN Wireless LAN controller form factors A copy of the slides that accompany module six can be found here Share This:

In episode 19 of the Wi-Fi For Beginners podcast we begin module 6 of the series, taking a look at Wireless Control and Management [Slides: Module 6: 1 – 15]. In this episode we look at: The need for control and management An updated network reference model A brief history of wireless LAN controllers The concepts of the control, management and data planes A copy of the slides that accompany module six can be found here Share This:

In episode 18 of the Wi-Fi For Beginners podcast we conclude module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 45 – 53]. In this episode we look at: Wireless NICs Drivers & Setup Utilities Client behaviour review questions A copy of the slides that accompany module five can be found here Share This:

In episode 17 of the Wi-Fi For Beginners podcast we continue module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 35 – 44]. In this episode we look at: Factors affecting client characteristics: size, radio components, 802.11 amendment support Methods for finding client capabilities Characteristics of 4 typical WLAN clients In the podcast I mentioned a blog post I created to help you find client capabilities. You can find the post here: http://bit.ly/how_fast_clients A copy of the slides that accompany module five can be found here Share This:

In episode 16 of the Wi-Fi For Beginners podcast we continue module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 31 – 34]. In this episode we look at: Client link quality Client capabilities affecting connection speed SISO MIMO 20MHz, 40MHz & 80MHz channel widths Matching client and infrastructure capabilities Factors affecting achievable client connection speeds A copy of the slides that accompany module five can be found here Share This:

In episode 15 of the Wi-Fi For Beginners podcast we continue module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 25 – 30]. In this episode we look at: 802.11 frame types overview Magament frames Control frames Data frames The client roaming process A copy of the slides that accompany module five can be found here Share This:

In episode 14 of the Wi-Fi For Beginners podcast we continue module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 16 – 25]. In this episode we look at: 802.11 amendments & client capabilities Evolution of Wi-Fi clients 802.11: PHY layer 802.11 frame types introduction A copy of the slides that accompany module five can be found here Share This:

In episode 13 of the Wi-Fi For Beginners podcast we begin module 5 of the series, taking a look at Wi-Fi Clients [Slides: Module 5: 1 – 15]. In this episode we look at: What is a Wi-Fi client? Basic client components Client connection process Factors affecting client connection speed The effect of poor connection speeds Client roaming A copy of the slides that accompany module five can be found here Share This:

In episode 12 of the Wi-Fi For Beginners podcast, we complete module 4 of the series, taking a look at more RF theory[Slides: Module 4: 29 – 39]. In this episode we look at: The 5GHz band What is unlicensed spectrum The importance of RF design A copy of the slides that accompany module four can be found here Share This:

In episode 11 of the Wi-Fi For Beginners podcast, we continue module 4 of the series, taking a look at more RF theory[Slides: Module 4: 19 – 28]. In this episode we look at: Definition of a “channel” Wi-Fi band regional variations RF Spectrum regulatory bodies Deep dive on 2.4GHz A copy of the slides that accompany module four can be found here Share This:

In episode 10 of the Wi-Fi For Beginners podcast, we begin module 4 of the series, taking a look at more RF theory[Slides: Module 4: 1 – 18]. In this episode we look at: Module 2 review RF system basics CSMA/CA The contended RF medium A copy of the slides that accompany module four can be found here Share This:

In episode 9 of the Wi-Fi For Beginners podcast, we conclude module 3 of the series, taking a look at wireless Access Points (APs) [Slides: Module 3: 27 – 37]. In this episode we look at: AP indicator lamps Basic AP configuration SSIDs & VLANs Basic security Other AP configuration settings The 802.11 standard and ammendments A copy of the slides that accompany module three can be found here Share This:

In episode 8 of the Wi-Fi For Beginners podcast, we continue module 3 of the series, taking a look at wireless Access Points (APs) [Slides: Module 3: 19 – 26]. In this episode we look at: AP Radios Half Duplex Operation AP Ethernet port details POE requirements AP console port AP installation considerations A copy of the slides that accompany module three can be found here Share This:

In episode 7 of the Wi-Fi For Beginners podcast, we begin module 3 of the series, taking a look at wireless Access Points (APs) [Slides: Module 3: 1 – 18]. In this episode we look at: What is an Access Point? What does an AP look like? The basic function of an AP in a WLAN Basic antenna types A copy of the slides that accompany module three can be found here Share This:

In episode 6 of the Wi-Fi For Beginners podcast, we conclude module 2 of the series, taking a look at the basics of RF theory [Slides: Module 2: 22 – 28] . In this episode we look at: The “light bulb” moment – comparing light & RF behaviour Free Space Path Loss (FSPL) 2.4GHz and 5GHz bands Bands and channels Un-licensed frequency bands WLAN Client band support A copy of the slides that accompany module two can be found here   Share This:

In episode 5 of the Wi-Fi For Beginners podcast, we continue module 2 of the series, taking a look at the basics of RF theory [Slides: Module 2: 14 – 21] . In this episode we look at: The basic unit of frequency measurement: Hertz (Hz) The RF Spectrum RF Spectrum bands (HF, VHF, UHF, SHF etc.) Concepts: Coverage areas, Propagation & Modulation A copy of the slides that accompany module two can be found here Share This:

In episode 4 of the Wi-Fi For Beginners podcast, we begin module 2 of the series, taking a look at the basics of RF theory [Slides: Module 2: 1 – 13]. In this episode we look at: What is RF? Alternating Current Basic unit of frequency measurement Electromagnetic waves A copy of the slides that accompany module two can be found here Share This:

In episode 3 of the Wi-Fi For Beginners podcast, we finish the topics of module 1 of the series, taking a look at the basic components and concepts of Wi-Fi networking. In this episode we look at: Wireless LAN controllers Wi-Fi security Wireless LAN standards A copy of the slides that accompany module one can be found here   Share This:

In the second episode of the Wi-Fi For Beginners podcast, we continue the topics of module 1 of the series, taking a look at the basic components and concepts of Wi-Fi networking. In this episode we look at: Wi-Fi deployment environments Wi-Fi clients Wireless access points A copy of the slides that accompany module one can be found here Share This: