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Stefan

@stefan.goodwi.fi
88 followers 84 following 77 posts

Long distance runner. Hiking the alps. NetEng of a large Wi-Fi Network. 🛜 CWNE #540, CCNP, ECSE-D/A, DevNet Assoc, JNCIA-MistAI. Cycling my e-Brompton to work.

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Stefan @stefan.goodwi.fi · 10/07/2025
#MerakiInTheWild - in Mandello Del Lario at Lake Como 😎
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Stefan @stefan.goodwi.fi · 08/07/2025
Destination 10.102.214.98 - but what is the next hop? What routing protocol do they talk here in Monza? 😉🚅
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Stefan @stefan.goodwi.fi · 12/02/2025
Had to help out doing survey work in the world of solutions 😉 first time using Hamina Wireless with instruction from favorite potato @potatofi.bsky.social. Also I look really professional according to Andrew McHale 😎😁 #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 12/02/2025
What better way to energize yourself for the afternoon sessions than a quick run through Amsterdam around lunchtime 😎🏃 #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 12/02/2025
What a cool prize to win, thanks CiscoChampions 😁 will make a great addition to my office desk 😎 #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 12/02/2025
Great session by Darchis Nicolas on 9800 troubleshooting, finally not on a Friday 👏 Some cool new tricks and Wi-Fi7 specifics. #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 11/02/2025
Yesterday I did a bit of sightseeing outside of Amsterdam. The weather was really crappy, but it is really cute there ☺️
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Stefan @stefan.goodwi.fi · 11/02/2025
Two sessions (and keynote) done, now for the on-hand part of the day in the lab 😎 #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 10/02/2025
Pleasant surprise at CiscoLiveEMEA - theeduroam SSID is also IPv6-mostly ☺️ My IPv6 heart likes! 😁🩵 #CiscoLiveEMEA (192.0.0.2 is the dummy IPv4 for the CLAT)
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Stefan @stefan.goodwi.fi · 10/02/2025
Hi again. #CiscoLiveEMEA #CiscoInsiderInAmsterdam
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Stefan @stefan.goodwi.fi · 26/01/2025
Blogged: Quickly find any Cisco 9800 CLI command corresponding to a web interface function: goodwi.fi/posts/2025/0...
goodwi.fi
Find Cisco 9800 CLI commands
Trick to easily find CLI commands from Cisco 9800 Controller
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Stefan @stefan.goodwi.fi · 15/01/2025
New stuff to read 🤓 Great job, @adriangranados.bsky.social and @wifinigel.bsky.social !
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Stefan @stefan.goodwi.fi · 12/12/2024
Well the weather for today’s trail run turned out perfect 🤩
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Stefan @stefan.goodwi.fi · 01/12/2024
Last weekend I finally had some time to finish the LoRa lab (after reinstall on new card) from @troymart.bsky.social’s WLPC deepdive. Had some kinks to work out, but now everything works, even real wattage in grafana 😎
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Stefan @stefan.goodwi.fi · 29/11/2024
Don‘t stare into laser with remaining eye.
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Stefan @stefan.goodwi.fi · 19/11/2024
Hi there! 🤓 Wi-Fi clients also need to get to the stuff on servers 😎
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Stefan @stefan.goodwi.fi · 23/10/2024
This guy @stefan.goodwi.fi told people to turn off IPv4. These IPv6 fanboys never learn. IPv6 hype is over. 😉 #WLPC
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Stefan @stefan.goodwi.fi · 23/10/2024
Getting into the weeds of spectrum analysis with Kjetil Teigen Hansen #WLPC
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Stefan @stefan.goodwi.fi · 23/10/2024
Dissecting OFDMA with Peter Mackenzie #WLPC
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Stefan @stefan.goodwi.fi · 23/10/2024
Talk on MLO by WirelessJimP raining on our parade #WLPC
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Stefan @stefan.goodwi.fi · 23/10/2024
As always, @KeithRParsons gets things rolling - aaand we‘re off! #WLPC
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Stefan @stefan.goodwi.fi · 23/10/2024
Quick run along the river before conference starts ☺️ #WLPC
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Stefan @stefan.goodwi.fi · 22/10/2024
Ok, so bluesky has hashtags now (in contrast to last year). Worth a shot, might make conference „tweeting“ here worth it. So… Prague bound 😎 #WLPC
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Stefan @stefan.goodwi.fi · 04/02/2024
Hi. #CiscoLiveEMEA
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Stefan @stefan.goodwi.fi · 19/12/2023
Just above the fog during my commute cycling home ☺️
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Stefan @stefan.goodwi.fi · 17/12/2023
Impressions from todays hike 🫶😍 Love the Alps.
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Stefan @stefan.goodwi.fi · 12/12/2023
Blogged: Does a hidden SSID generate a probe response to a wildcard probe (“null”) request? This is not the clear cut answer I expected. goodwi.fi/posts/2023/1...
goodwi.fi
The hunt for the hidden probe
Searching for probe responses of hidden SSIDs
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Stefan @stefan.goodwi.fi · 26/10/2023
As promised during my 10talk, blog posts on all the troubleshootig cases are going online over the next 2 weeks. Here we have the first case - "the RADIUS connection" goodwi.fi/posts/2023/1...
goodwi.fi
Interesting Troubleshooting Cases, Part 1 - The RADIUS Connection
Solving interesting troubleshooting cases, this time to a foreign RADIUS Server
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Stefan @stefan.goodwi.fi · 21/10/2023
Quick pre-registration-run around the hill next to the hotel without knowing the area 😁 at least some vertical distance ☺️ #wlpc
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Stefan @stefan.goodwi.fi · 21/10/2023
Luxurious legroom on my train to Prague 😎 #wlpc
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Stefan @stefan.goodwi.fi · 16/10/2023
Well, when I am already here… I can run up the local mountain in town, and a lap through the harbor along lake Bodensee. ☺️
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Stefan @stefan.goodwi.fi · 16/10/2023
Not that it was ever a good idea to have HTTP interface open to internet, but if you do… close it now.
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Stefan @stefan.goodwi.fi · 16/10/2023
On my way to the far end of Austria, where a branch gets a new Meraki network. Using the time on the train for some planning of an AP swap.
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Stefan @stefan.goodwi.fi · 15/10/2023
That was 4 weeks ago, but haven't shared here - but since here are runners too... 😉 Finished my first official ultra trail run! 😎🏃 Run through Wienerwald, official distance 50,7 km (31.5 mi), 1880m elevation gain (6150ft). Finished in under 7 hours. Interesting experience. Want to try more... 🤩
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Stefan @stefan.goodwi.fi · 13/10/2023
When you gotta do a packet capture... (my apologies to The Corrs)
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Stefan @stefan.goodwi.fi · 11/09/2023
Blogged: IPSK on Cisco without ISE but FreeRADIUS What is IPSK, how does it work, why would I want different PSKs? How to get it running with FreeRADIUS and Cisco C9800 controller and how to scale it. goodwi.fi/posts/2023/0...
goodwi.fi
IPSK on Cisco without ISE but FreeRADIUS
Configuring IPSK on Cisco Wireless without ISE but FreeRADIUS
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Stefan @stefan.goodwi.fi · 02/09/2023
♥️⛰️
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Stefan @stefan.goodwi.fi · 31/08/2023
That's not good...
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Stefan @stefan.goodwi.fi · 12/08/2023
Views from todays hike and the cool off in the 14°C Alm river ☺️⛰️☀️
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Stefan @stefan.goodwi.fi · 11/08/2023
Running condition slowly creeping up to new heights ☺️
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