Projects

Have fun browsing my projects. In case you have any questions, don't hesitate to contact me. I'll answer your e-mail as soon as possible!

If you're interested in a RSS feed, you'll find it here.

Finally, you can filter the projects by tags:

MikroTik mAP lite

Recently, I bought a MikroTik mAP lite to play with. With its size and performance it is far more than a toy, it is a versatile tool I can carry along.

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(MikroTik) IPSec: I can't ping the router itlsef. Why?

I just configured some IPSec tunnels to connect the management network to our company's local network and stumbled over a well known problem: I can ping hosts "behind" the router doing IPSec, but I cannot ping the router itself. Read why and how to circumvent this issue.

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I was a webhoster

Several years ago, I was interested in webhosting technologies. As servers and elecricity didn't pay for themselves, I founded a small web hosting business to fund my hobby.

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jumpNet topology update

jumpNet has grown a bit. We now have full redundancy regarding the VPN server and some more users.

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Vodafone - what the hell is going on? [last update 09.01.2017]

When I moved to Freiburg some years ago, I ordered my internet access from Arcor. Some time ago Arcor was bought by Vodafone and I involuntarily became a Vodafone customer. The transisition from Arcor to Vodafone went smoothly, but now, I'm experiencing odd issues with my Vodafone line...

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MikroTik CAP and CAPsMAN

Some time ago, MikroTik included a WiFi controller feature into RouterOS. Today, I implemented it in my home network.

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Zyxel IES 1000 / AAM1212-51 splitting traffic over two ethernet ports

The AAM1212-51 comes with 12 ADSL2+ and 2 Ethernet ports. Every ADSL port is capable of handling up to 24MBit/s traffic. In default configuration, 4 fully loaded ADSL ports will saturate one ethernet port. So, how to share the load over the two ethernet ports?

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My lab setup

Devices are piling up on my desk, blocking the sunlight and provoking my friends to joke around nerds not needing light. I needed a pratical solution ;-)

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HP ProCurve 4000M modular switch

I could save a HP ProCurve 4000M from the bin. The 4000M is quite old, but still a great switch if you're okay with 100MBit/s and 4U device height.

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1/2 IPSec over GRE with MikroTik's RouterOS and Linux

This is the part 1 of 2, providing explanations and How-Tos for:

  • creating GRE tunnels between a linux server and a MikroTik Router
  • configuring IPsec to encrypt the traffic on the GRE interfaces

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