Thoughts on Cybersecurity, Wi-Fi and some other stuff
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
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,
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
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
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
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
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
This year, I presented the topic WPA3-192-bit mode at the WLAN Klassentreffen (in German) and WLPC in Prague as a 10Talk. This is the video recording from WLPC: Here is the presentation from WLPC 2024 in Prague: And the German version from the WLAN Klassentreffen 2024 in Hamburg: Some more
Well, of course a Block cipher is always a Block cipher. But sometimes it might not be used as expected and this can cause some misunderstanding of how things work. If you implement IPsec VPNs, you likely know ESP, the Encapsulating Security Payload and it’s packet format: The Encapsulating Security
This blog post is for the paranoids among us Many companies use BYOD (Bring Your Own Device) processes to securely connect personal devices to the enterprise network. Typically, Enterprise Authentication with EAP-TLS ensures a good user experience without any struggles when Domain credentials are changed. But how do we connect