Networking • Automation • Occasional Podcasting
Inside Greg’s Brain

Networking gear, Ansible playbooks, and a podcast on the side.

Mikrotik tutorials, Ansible Automation Platform deep-dives, and conversations that chase the story behind the person.

Latest posts

  • Change System Prompts In Unity 4.0

    Change System Prompts In Unity 4.0

    I wanted to change some of the system’s default prompts in Unity 4.0. After a little digging, I found them here: d:\CommServer\Localize\Prompts\ENU\G711\ I used sound recorder from windows XP to record a new message. Be sure to save it in the right format: ccitt u-law, 8kHz, 8bit mono

  • POE Passthrough For Tower Climbers

    POE Passthrough For Tower Climbers

    For those of you that are a “one man show” like myself, you will often find that you need to be on the tower and align an antenna at the same time. This generally requires you to log into the antenna while still on the tower…which can be difficult if your antenna is PoE(power over…

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    Cisco – Troubleshoot POS Interface

    Troubleshooting a POS(Packet Over Sonet) interface is quite different than your standard ethernet interface. The first thing you will obviously do is a: show interface POS1/0/0 If you are down/down then you obviously aren’t seeing light across the link and you need to troubleshoot accordingly. If you see the link as up/down, then you are…

  • Future Of Online Entertainment

    Future Of Online Entertainment

    I was thinking while I was on a run yesterday…nothing to do but think hehe. I was thinking about how much bandwidth streaming video consumes. In my apartment complexes, streaming video easily eats 60% of the bandwidth during peak hours. I’ve developed some QoS polocies(which I sell and install for a small fee) that maximize…

  • Wireless Transparent Bridging With WDS
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    Wireless Transparent Bridging With WDS

    WDS(Wireless Distribution System) is a means to transparently bridge wireless APs. What exactly does transparent bridging mean? A transparent bridge is basically turning your wireless links into an ethernet cable. It takes anything put into one side and spits it out on the other. This is great for connecting two locations. This is often used…

  • Mikrotik V5.2 Released

    *) fixed webfig; This is a pretty big one! *) console – fixed problem with supout file generation and export that appeared in version 5.1, it was causing console to enter busy loop on some boards; *) ssh client – added source address and remote command options; *) user manager – added /tool usermanager profile;…

  • Proper Power Planning And Usage
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    Proper Power Planning And Usage

    Working in a datacenter power delivery is a big part of what we do. We get regular questions on the subject, and I had a comment from Andrew recently that pushed me to write this post. Our datacenter provides true A/B power…and what does that mean? What it boils down to is we hand you…