Robert Haviland

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  1. R.I.P. PMD — 1 comments

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MAC Spoof to Get Past Aerohive MAC Binding Feature

I have a couple of customers that use MAC Binding to a Private Pre-Shared Key (PPSK) on the Aerohive platform, and I wanted to show that Windows and OS X devices could pass that security. The test revolved around replicating the customer’s network as much as possible — Aerohive Wi-Fi with Windows and OS X …

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Chasing the Ultimate Wi-Fi Certification – Robert’s story

It seems like ages ago, but Terri and I started studying for Wi-Fi certifications. The one I wanted was the “Certified Wireless Network Administrator” certification. While working at a school system, I thought I was pretty good at Wi-Fi. After, it seemed to work fine. A few hiccups but otherwise, it seemed to work. I …

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Using Ekahau Files to Get Wall Attenuations

Sometimes, you get tasked to create a WLAN design for a site that you have never seen before. All Wireless Engineers want to go on-site every time. However, there are times in which you just cannot go. Such is the case for a site I just received. In looking through old documentation I saw a …

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HP Printers and Wi-Fi Interference

Many times I will go into a school because a certain classroom is having trouble connecting. Most of the time it is an issue with devices not able to connect on the 2.4 GHz band. I know, use the 5 GHz band instead. Many times the client wants to use the 2.4 GHz, and there …

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Wi-Fi Calling

I go into a lot of schools working with the building’s WLAN. I do enjoy talking to the staff about why I’m there and what my goal is for the Wi-Fi. Not every time, but a lot of the time, someone will want to complain about their cell phone service. Some schools are built like …

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Host Name in Beacon Aerohive Classic

In HiveOS 8.2 (at least) and further, we can now get the Hostname of the AP to be broadcast during Wi-Fi validation surveys (heatmaps).

Nomenclature

By now, everyone should understand WLAN naming schemes. Most think that 802.11ax is the same as Wi-Fi Certified 6 (or the marketing term, “WiFi6”)and that is also the same as HEW. Or you can compare that to any of the other standards created by the IEEE since 1997 when 802.11-Prime was created. However, they are …

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R.I.P. PMD

It is time to quit referring to the PLCP PDU / PMD interface. Here is why. In August of 2012, the IEEE published a document called “Delete the PMD (Comment Resolution for D3.0).” It was authored by Eldad Perahia, Brian Hart, and Adrian Stephens. Within the 18 pages of this document are the revisions deleting …

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Keto Cheesecake

INGREDIENTS Crust 1 cups Almond flour1/2 tsp cinnamon1/2 tsp ground ginger1/4 cup Butter (measured solid, then melted)1 1/2 tbsp Brown Swerve (Erythritol)1/2 tsp Vanilla extract Keto Cheesecake Filling 16 oz Cream cheese (softened)3/4 cup Powdered Swerve (erythritol)2 large Eggs1/4 tbsp Lemon juice1/4 tbsp Lime juice 1/4 tsp Vanilla extract Preheat the oven to 350 degrees F.Grease two 4 1/2″ springform pans …

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Create DHCP Server on Aerohive AP’s

Things you must know ahead of time Which VLAN ID you wish to use: 99 The IP range of your scope to be server by Aerohive. Aerohive can only handle a /23: 10.99.0.2/255.255.254.0 The exclusion range: 192.168.200.1 – 192.168.200.9 The mgt0 Sub interface you wish to use. Each DHCP must be unique to the WLAN: …

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