Categories : GeneralLeave a comment
The Cats of LinkedIn
For a couple of posts in my “50 Days of LinkedIn” challenge, I generated AI cat-images with Grok. Here are they:
Categories : NetworkingLeave a comment
What’s the MAC-Address, Kenneth?
“What’s the MAC-Address, Kenneth?” is your Benzedrine, uh-huhI was brain-dead, locked out, numb, not up to speedI thought I’d pegged you an idiot’s dreamTunnel vision from the outsider’s screen I never understood the MAC-Address, uh-huhYou wore our expectations like an armored suit, uh-huh You get a bonus point if you
Categories : WirelessLeave a comment
Don’t configure more than 3 SSIDs!
Have you heard of this rule of thumb? Probably yes, but for every rule, we should know why it is in place and also when to break the rule. And this is a rule that I most often break for my installations as my amount of SSIDs is typically 6.
Categories : GeneralLeave a comment
Is there something like EAPoW?
At the moment, I am going through the updated 802.1X training from Cisco, and there it is: A term that comes up now and then: EAPoW for EAP over Wireless. Is there something like EAPoW? Let’s dig a little bit deeper. ➡️ Regardless of Ethernet or WLAN, 802.1X Authentication is
Categories : GeneralLeave a comment
Preparing for the Cisco WLCOR Exam (350-101)
On the 19th of March, the new Cisco CCNP Wireless 🛜 will be relaunched with the exams✅ WLCOR 350-101 (Core-Exam)✅ WLSD 300-110 (Design-Exam)✅ WLSI 300-120 (Implementation-Exam) It is already known that the WLSD and WLSI will be pretty much the same as ENWLSD and ENWLSI. But the WLCOR is new,
Categories : Cisco Meraki NetworkingLeave a comment
Connecting WAN-Switches
This is Part 3 of the „Connecting Meraki MX to …“ series. How to connect the Meraki MX to MS switches (Part 1)Connecting the Meraki MX to the Internet (Part 2) In Option 6 and 8 of Part 2, I use a link between the two WAN switches: One question
Categories : WirelessLeave a comment
Analysis of a Fast Roam
This year, I was able to present at WLAN Klassentreffen (in German) and the Wireless LAN Professionals Conference (in English) on the Topic Fast BSS Transition, IEEE 802.11r. If you want to look at the references in the 802.11 standard, it’s all based on the 2020 version. This is the
Categories : Cisco VMware Wireless Wireless2 Comments
Basic Setup of a Cisco Catalyst 9800-CL
There are many guides on the internet for the setup of the Cisco Catalyst 9800-CL. But most of them are pretty old, and things have changed in the meantime. This guide is based on version 17.15.3 of the 9800-CL. It shows how to do the basic setup on VMware ESXi
Categories : WirelessLeave a comment
The need for better Floor Plans
This post is kind of a sequel to the previous post The need for better Hotel Wi-Fi. Whenever you do a wireless survey, you need a floor plan. If you don’t have one, Ekahau users have the luxury of doing a Just-Go survey, where the floor plan is dynamically generated
The need for better Hotel Wi-Fi
Yes, I am one of the people who enter a building and look up to spot the Access-Points. As a wireless engineer you can: And sometimes a 3) turns into a 1) “Ahh, that’s the reason; now it makes sense!” And part of this crazy notion is to evaluate the