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### SwiNOG #41 (2026-04-28) - Call for Papers ###
by Simon Ryf 30 Jan '26

30 Jan '26

Dear SwiNOG community, Please forward me to whomever you think should know about our community and the upcoming event. This is the official Call for Paper email. Please submit your proposal via https://www.swinog.ch/cfp/ The 41st meeting of the Swiss Network Operators Group (SwiNOG) will be held in Berne on top of the Gurten on Tuesday April 28th, 2026. Location: https://wego.here.com/l/46.91963060309784,7.439032069847434 Important Dates for http://www.swinog.ch/meetings/swinog41/ 30.01.2026 Call for Papers 02.02.2026 Registration opens -> https://register.swinog.ch/ 29.03.2026 Publication of preliminary agenda 19.04.2026 Registration closes 24.04.2026 Deadline for all slides 28.04.2026 Meeting Day Topics for Presentations/Talks Please re-submit your paper if you're still up with a topic which you have submitted earlier. The number and length of presentations per session is not fixed, although we prefer it to be between 5 to 30 minutes. Here is a non-exhaustive list of typical SwiNOG meeting topics: * Security, DDOS Mitigation, * IPv6 * Open-Source- / GitHub projects * International view of the internet (incidents, outages, measurements) * Routing & Peering * Applications (DNS, Web, Network Virtualization, Orchestration, Monitoring etc.) * Takeaways from your projects / troubleshooting-sessions * Legal issues (BÜPF, etc.) * Telecommunication politics (Net Neutrality, Incumbent monopoly, etc.) * Off-Topic if you think the audience will enjoy Feel free to talk to us about any kind of topic and collaboration! Or you can always start a discussion on the list - I'm sure people join in. Or join our telegram group at https://t.me/SWINOG Language of Slides and Talks The whole day will be hold in English, therefore we kindly ask you to produce your presentation in English. Submission Guidelines * All submissions must have a strong technical bias and must not be promotional. * We also welcome lightning talks (3-5 Minutes). If entertaining – they can also be completely off-topic. * Presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. * Presentation will be published (PDF) on the SwiNOG website after the event (if confirmed/permitted by the speaker). * On request we publish modified slides (removed confidential content, etc.) * Presentations should be suitable for a target audience of technicians from varied backgrounds, working for companies whose sizes may vary considerably. To submit a proposal for a presentation, please fill in the form at https://www.swinog.ch/cfp/ We also welcome suggestions for specific presentations which you feel would be valuable to the SwiNOG community and we try to chase a speaker for it. Greetings, Simon SwiNOG Core Team swinog-core(a)swinog.ch<mailto:swinog-core@swinog.ch> General Information (SwiNOG Community) The Swiss Network Operators Group (SwiNOG) is an informal group of people who are concerned with engineering and operation of the Swiss Internet. SwiNOG exists to enhance the quality of Internet services available in Switzerland. It does this by fostering the free exchange of technical ideas and information between different companies and organisations. SwiNOG is a community for professionals who are operating, designing, or researching the Internet. It provides a technical forum where those working on, with and for the Internet can come together to solve problems with every aspect of their (net)work. The meeting is designed to provide an opportunity for the exchange of information among network operators, engineers, researchers, and other professionals close to the network community. More information about SwiNOG can be found at http://www.swinog.ch<http://www.swinog.ch/> Information about the meeting will be published at http://www.swinog.ch/meetings/swinog41/ General Information (SwiNOG Organisation) The SwiNOG Organisation Association is a non-profit association under article 60 and further of the swiss civil law. It manages the SwiNOG community ressources (domain, web, mailing-lists, etc..) and organises SwiNOG meetings. Contact: SwiNOG Organisation 8000 Zurich Switzerland

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[Jobs] No politics, no layers of "buffer" management. Just you, the team, and the backbone
by Stefan Funke 16 Jan '26

16 Jan '26

Good morning SWINOG! Before you head off into your weekend, here is something that might be interesting if you are looking for a change or something to share with someone who would be a good fit. https://inter.link/about-interlink/careers/senior-software-network-engineer… I'm looking for the engineers the big ISPs are currently stifling. The Role: Build a better, faster, more sustainable Internet. The Requirements: A get-shit-done mindset. The Vibe: Write good code. Help the customer. Go home happy. The European IP market is dominated by giants that move like glaciers. They're weighed down by legacy tech, layers of middle management, and 'corporate theater' that prioritizes paperwork over packets. At Inter.link we're the new kid on the block-and we're doing things they can't. We're a team of 30. We don't have a 5-year committee for a routing change, and we don't care about your degree or how many certificates you've collected. We care about weather you can build a faster, more sustainable internet. Why we're different: Engineering > Politics: I'm the Head of Network & Infrastructure, not a career politician. My job is to clear the path so you can write good code and build world-class systems. Green by Design: We don't just buy 'carbon credits'. We build efficient, modern infrastructure because doing it right is better for the planet and our customers. The Underdog Advantage: We are small, lean, and hungry. We are disrupting the traditional carriers because we actually care about the craft. The deal is simple: You bring a 'get-shit-done' mentality and a passion for building things that actually work. In return, you get total ownership, zero bureaucracy, and the chance to help a young company take on the giants. If you're tired of being a cog in a slow-moving machine and want to be a builder in a fast-moving one, let's talk. No formal HR portal. Just send me a message at stefan(a)inter.link Cheers, -Stefan

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Schneider Electric Containerized Datacenter
by Phillip Meents 09 Jan '26

09 Jan '26

Hi SWINOG list, We’re currently evaluating Schneider Electric / APC modular/containerized data centers for a remote deployment and I’m looking for feedback from anyone who has operated one in production. In particular, I am interested in: * Build quality and delivery/commissioning experience * Power + cooling performance under real loads * Remote hands / spares / serviceability in remote locations * Monitoring/integration (BMS/DCIM), alarm quality, and support responsiveness * Anything you’d do differently or specify up front If you use another vendor and they support global delivery, I’d also appreciate alternate recommendations. Freundliche Grüsse, Phillip -- Phillip Meents Head of Terrestrial Infrastructure and Networks ECS Technologie AG Usteristrasse 15 8001 Zürich philm(a)ecs-tech.ch

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RIPE training courses in Bern
by Adrian Kägi 09 Jan '26

09 Jan '26

Good day We - NTS AS15576 - are hosting two RIPE training courses in our HQ in Bern after many years again. There are still some free seats available on both dates: * Thursday, 26. March 2026 - RIPE Database Training Course [1] * Friday, 27. March 2026 - BGP Routing Security Training Course [2] Feel free to register now! Best regards Adrian [1] https://learning.ripe.net/w/courses/2-ripe-database-training-course/420 [2] https://learning.ripe.net/w/courses/34-bgp-routing-security-training-course… --

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Anyone from T-Systems / T-online reading on this list
by Tobias Goeller 29 Dec '25

29 Dec '25

Hi, If anyone from the network team of t-systems / t-online is reading on this list... could you contact me off-list, please? Thanks Tobias Göller -- E = M * C^2 +/- 3db

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SPF-Fail for postfinance.ch
by Tom 16 Dec '25

16 Dec '25

Hi list Is someone from Postfinance here? It seems, that Postfinance sends legit emails with the ENVELOPE-FROM "filedelivery(a)postfinance.ch" from M365 (include:spf.protection.outlook.com), which currently isn't in the SPF record for the domain "postfinance.ch". If you need more information, please DM me. Best regards, Tom

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IANA AS Numbers Registry Update
by David Dong 22 Nov '25

22 Nov '25

Hi, The IANA AS Numbers registry has been updated to reflect the allocation of the following block to LACNIC: 274845-275868 Assigned by LACNIC 2025-11-19 Registry: http://www.iana.org/assignments/as-numbers/ The allocation was made as per the Policy for Allocation of ASN Blocks to Regional Internet Registries: https://www.icann.org/resources/pages/global-policy-asn-blocks-2010-09-21-en Best regards, David Dong IANA Services Sr. Specialist

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DNS SPF record missing: orange.ch orangemail.ch
by Benoit Panizzon 10 Nov '25

10 Nov '25

Good morning. Any Salt.ch DNS Admin on this list? ;; ANSWER SECTION: salt.ch. 3600 IN SOA ns0010.secondary.cloudflare.com. dnsmaster.salt.ch. 2025110514 10800 3600 1209600 86400 <dnsmaster(a)salt.ch>: host smtp.salt.ch[10.192.213.18] said: 554 5.4.12 SMTP; Hop count exceeded - possible mail loop detected on message id <20251109100620.79fa05ed(a)imp.ch> (in reply to end of DATA command) I assume salt still owns orange.ch and orangemail.ch Would you mind creating an DNS SPF entry for those two domains to make it a bit less easy to spoof those domain for the actual ongoing sextortion spam flood? Mit freundlichen Grüssen -Benoît Panizzon- -- I m p r o W a r e A G - Leiter Commerce Kunden ______________________________________________________ Zurlindenstrasse 29 Tel +41 61 826 93 00 CH-4133 Pratteln Fax +41 61 826 93 01 Schweiz Web http://www.imp.ch ______________________________________________________

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Scam request from _ISC-EJPD-UPF-Provid
by Nico Schottelius 27 Oct '25

27 Oct '25

Dear Swinoggers, we are receiving "Information requests" from a "do not reply" email with a footer containing the following the below attached information. I tried to find out where to login, without success, tried to reach them by email, even tried to call. The result is: - no information on how where any information should be found - no response ever to any email (I tried 4x) - Seems like _ISC-EJPD-UPF-Provid(a)isc-ejpd.admin.ch is a dead dropbox - the phone picks up after 4x ringing with a hissing, no person talking Is this a known scam or is this new scam? Cheers, Nico -------------------------------------------------------------------------------- From: donotreply(a)isc-ejpd.admin.ch Subject: Reminder: Task Overdue in IRC! Date: Mon, 27 Oct 2025 09:00:08 +0100 (CET) (26 minutes, 47 seconds ago) Reply-To: donotreply(a)isc-ejpd.admin.ch Dear Madam, dear Sir, The Information Request XXXXX is overdue. Please check your requests in IRC and process it as soon as possible. Thank you. In case of login issues: Please contact the Providermanagement PTSS with your login details Best regards Post and Telecommunications Surveillance Service PTSS Federal Department of Justice and Police FDJP Eichenweg 3, 3003 Bern Phone +41 58 463 34 29 _ISC-EJPD-UPF-Provid(a)isc-ejpd.admin.ch www.li.admin.ch *** This is an automated message. Replies to this email will neither be received nor processed. *** -------------------------------------------------------------------------------- -- Sustainable and modern Infrastructures by ungleich.ch

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Seeking for advice / Sunrise / Yallo Support issue
by Philippe Maechler 16 Oct '25

16 Oct '25

Hello List, long time lurker seldom poster here :) Sorry for posting here, but I ran out of ideas on how to solve an issue with Sunrise/Yallo. Two weeks ago, Sunrise had to move their connections in Dubendorf from Fibre-Plug 2 to 1. Just after that, I moved the CPE to Plug 1 and contacted the support because the connection was not working. Long story short: After almost two weeks, the connection is still not working. On Plug 2, I get the Fiber- or OTO Activation Screen from Swisscom and on plug 1 I don't even get an optical signal. Support promised me a temporary 5G router, a SIM card, a new Fiber Box, Calls from the technicians and so on... Nothing happened and I'm still offline If there is any Sunrise/Yallo technician out there, could you may have a look at it? If someone has an Idea on how i can escalate this, feel free to contact me Again, sorry for disturbing about a private connection and being off topic here Best regards Philippe

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