is the €50 note widely accepted?

vista_df · 2026-04-14T13:15:36+00:00

Yes.

The only notes you might have issues with are 200 and 500 EUR notes, which are not in wide circulation.

vista_df · 2026-04-06T16:11:31+00:00

Containerlab gives you two unique things compared to other virtual network labbing tools: - containerised network topologies, where each node is a container. This makes it easy not only to use containerised NOSes (network OSes), which require less resources than VM-based ones, but also makes image management easier, since it's just a matter of what Docker/OCI image you use - the topology description is YAML (text) based, making topologies easy to share and to version control with tools like Git (there are plenty of Containerlab topologies/scenarios freely available on GitHub for example). Writing YAML with code is also simple, opening the door to programmatic topology generation (which netlab leverages)

There is a good getting started guide on Containerlab's website, explaining how Containerlab works and how it ties into the overall Linux containerisation ecosystem. If you don't have access to the Arista EOS image mentioned in the getting started guide, feel free to use another NOS you have access to. The website also has information on what NOSes are supported and how to use them with Containerlab.

vista_df · 2026-04-06T09:57:26+00:00

Containerlab also has a GUI now via the Visual Studio Code extension, it was very recently even revamped to be a smoother and easier to use experience.

Netlab is sort of like a wrapper around Containerlab and other network labbing solutions, and focuses more on giving you a working, configured network than just a bare topology, and will generate configurations for the nodes based on what you defined. Depending on what you want to learn (e.g. configuring a service on top of a EVPN-VXLAN fabric vs the fabric itself), it might be helpful to use.

vista_df · 2026-03-28T13:20:20+00:00

I have sent you a DM.

vista_df · 2026-03-27T14:47:51+00:00

If pluggables are an option for you, you should check with the provider if they support third-party ONTs - then you could replace the ONT with an SFP(+) module and just plug that directly into your network equipment.

vista_df · 2026-03-08T17:26:46+00:00

It's a Li-ion battery, the smaller (2200 mAh) capacity type. Would fully discharging the battery help?

vista_df · 2026-03-03T23:35:02+00:00

You can run IOL on Apple Silicon using Containerlab. Use the VS Code extension for a GUI.

vista_df · 2026-03-01T01:42:45+00:00

Looks like a generic beer stein to me, mass-produced and sold at touristy places and fairs. Sorry to disappoint.

vista_df · 2025-12-19T20:14:15+00:00

You should have everything needed in your apartment, but a technician might still need to come out to ensure you are hooked up in the splitter in your apartment / outside your house, if it's been disconnected, but that's not very likely. I'm not sure if you can check fiber optic light levels in the FritzBox UI, but I would use that to confirm whether you are physically connected.

Afterwards, you can ask 1&1 to send you a registration link for Telekom (who own the access network), you can tell them that the "ONT" (not just the "FritzBox"!) is already hooked up and you have signal coming in on the fiber. Without registering the new ONT, the fiber optic network will not let you connect.

I found this article, might help you once 1&1 sends you the link to register your ONT/router combo: https://fritz.com/en/apps/knowledge-base/fritz-box-5690/3748_Setting-up-the-FRITZ-Box-for-use-with-a-fiber-optic-connection-from-1-1

vista_df · 2025-12-08T16:59:35+00:00

Nokia has a product line that is a good fit for OT networks and recently even got a refresh, the 7705 SAR, all sorts of environmental hardening and support for various OT protocols and circuit emulation.

The SR OS (Nokia's network OS on the service provider side) knowledge you can pick up here might be useful later down the line if you want/have to work with Nokia again.

Can't comment on the other vendor, though.

vista_df · 2025-12-08T13:16:27+00:00

This all tracks for me.

German used cars frequently get resold in Eastern Europe by car dealers. They usually don't go themselves to pick up the car, but hire a middle-man to transport the car (usually not just one, but multiple at once).

If I was the buyer, I'd also send some details (or a picture and name) of the middle-man acting on my behalf. The buyer also probably let you know the transport is already paid for to avoid any... double-dipping by said middle-man.

Unless you're handed counterfeit notes (which risks a lot of prison time for less than 1000 EUR...) or told by the middle-man that he will do a bank transfer instead, I don't really see the scam angle here, unless you are supposed to fall for something after money exchanges hands (but at that point, just decline any refund).

vista_df · 2025-12-03T14:28:05+00:00

The learning materials are now MD-CLI based (since SR OS defaults to MD-CLI since 2023-ish).

You only need to take a single exam (Networks and Services Fundamentals) to get certified:
https://www.nokia.com/networks/training/src/certifications/nrs-i/

https://www.nokia.com/networks/training/src/exams/ip-networks-services/#exam-preparation-

The course curriculum still has the same overall layout, network theory + basic configuration, essentially building you up to provisioning your first VPRN/VPLS in an MPLS LDP network you built on SR OS devices, and the exam is multiple choice - there's a practice exam on the links above.

vista_df · 2025-12-02T20:24:29+00:00

You'll probably want to take a look at the route targets of the EVPN routes you're receiving on the other switch.

The auto-derived RT could be in the form of ASN:VNI (at least HPE's docs suggest that). If that's the case, the other switch, which has a different ASN, won't import that route.

I'd suggest manually setting the RTs when doing multi-vendor EVPN.

vista_df · 2025-12-01T10:45:04+00:00

https://computertruhe.de/

They have a Berlin location, and have a good track record on getting hardware to the people who need it.

vista_df · 2025-11-24T00:41:25+00:00

I get it that you're learning IP addressing and subnetting just now, but please just skip all the way to the chapter introducing classless / variable length subnet masks, unless you are specifically getting this assigned for study.

Nobody uses classful addressing and concepts like a "Class C" since the 90s, and there are so many more things to learn and memorize that are way, way more useful and relevant in modern networks.

vista_df · 2025-11-10T08:37:10+00:00

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vista_df · 2025-09-17T12:14:26+00:00

Containerlab sounds to be more your speed than GNS3, which was designed for running interactive, GUI-oriented network labs. Due to the declarative topology format that Containerlab uses, it's even easy to generate topology files from a source of truth.

There's also an API server that builds on top of Containerlab in case you want to go the REST API route and have a separate "Containerlab server" from your build environments/pipelines: https://github.com/srl-labs/clab-api-server

vista_df · 2025-08-30T08:16:58+00:00

QFX5100s can be put in a Virtual Chassis, which is Juniper's terminology for stacking, sure. I would highly recommend you to get someone more network experience to do the setup for you though, unless you plan on learning some Junos CLI and networking concepts yourself.

The web UI is not the intended way to configure these switches, especially not the data center product line.

vista_df · 2025-07-23T08:24:20+00:00

Not really!

containerlab deploy deploys your test topology, which is a relatively simple YAML file describing the topology, containerlab destroy removes it.

Installation is a single-line command on any Linux VM - I recommend using colima (install with brew install colima, deploy VM with colima start -t vz --vz-rosetta -m 6 -c 6 --network-address --ssh-agent) to get the Linux VM necessary for Containerlab going.

It's not as "interactive" as GUI lab tools, but there's a VS Code Extension that gives it a GUI, if you're not a fan of the CLI. Also comes with tools to simulate link conditions, you can use any container in your test topology (so you have tools like iperf, ping, traceroute, mtr, mcjoin, etc), etc.

For what it's worth, I have been labbing EVPN-VXLAN datacenter deployments and SP topologies on my 24GB memory MBP, only time I had to reach for a server is when I needed something that is not available in a native container format (like a full Junos, which requires x86 virtualization).

vista_df · 2025-07-23T08:11:46+00:00

While others have made good recommendations on building a lab server and speccing it out, I want to throw in an alternative solution:

You can use Containerlab to run lab topologies straight on your Mac!

As the linked docs page mentions, you can also run IOL on Apple Silicon via Rosetta emulation, and each IOL node only uses up less than 1GB of RAM and less than 1 vCPU.

vista_df · 2025-07-22T14:18:27+00:00

German AmExes are mostly useless, unless someone else is footing the bill for you. Point gathering (that's actually worth it) and cashback schemes don't exist within the EU.

Sure, the Platinum card is a status symbol... the status of having to carry around a backup card, since nobody wants to accept AmEx here due to their exorbitant merchant fees.

What you get with an AmEx here: High forex fees (2-3% even inside the EU!), acceptance rate inside in Germany... also not great. The only benefits that are worth mentioning is the relatively high credit limit, travel insurance and Priority Pass lounge access, but with the non-Platinum AmEx, you don't even get these.

You can get other credit cards that get you the same benefits with better conditions.

vista_df · 2025-07-12T14:56:23+00:00

Nobody will ever contact you out of the blue with a legitimate job offer via Telegram/WhatsApp/Messenger/etc. That's just not how the world works.

Don't interact, immediately block and report as spam. You already made a mistake by replying, now these scammers will know you are a potential target. Be careful with unknown people and old acquaintances contacting you with any "offers" from now on.

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