Thoughts on Cybersecurity, Wi-Fi and some other stuff
This is perhaps a question that you have already asked yourself. Let’s look at the IEEE 802.11-1999 standard and what the initial intent was: 7.3.2.1 Service Set Identity (SSID) element …The length of the SSID information field is between 0 and 32 octets. A 0 length information field indicates the
Have you heard of IEEE 802.11bx (sometimes written as 802.11bX)? ➡️ Based on a European reseller, 802.11bx is WiFi7. ➡️ In a Wi-Fi Now article, it’s Wi-Fi 8. ➡️ And based on the latest information, it’s what will later become Wi-Fi 9. ❓Confused?⁉️So was I some time ago. To my
For a couple of posts in my “50 Days of LinkedIn” challenge, I generated AI cat-images with Grok. Here are they:
“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
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.
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