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

  • Bind9 – Sending Reverse Records To Another Name Server

    Occasionally I’ll have the need to send a block of reverse DNS entries from my BIND9 server over to someone else. When you create the entries in your reverse zone, be sure to use a DNS name verses an IP address for the alternate name server: If my subnet is 1.1.1.0/24 and I wanted to…

  • Mikrotik Newsletter 28
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    Mikrotik Newsletter 28

    Newsletter is HERE. There’s a great shot of the new 493G…thanks Normis 😉 They also mention that as of RouterOS v5rc2 AES 128 bit hardware acceleration is available…though rc2 isn’t in the wild yet. I assume this means we shall see it very shortly. That’s the bulk of what’s new.

  • Redirect Users To A Fake Speed Test Site
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    Redirect Users To A Fake Speed Test Site

    For some ISPs, speed test sites can be their best friend. It shows a user that he is reaching his potential speed. For others it’s a nightmare as it gives ammunition for users. While at MUM this year my lunch table was having a friendly discussion about just this. Some suggestions were offered on various…

  • MUM USA 2010 Photos
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    MUM USA 2010 Photos

    Here’s the official MUM photo gallery. Here’s Sergejs’ Flicker pool of shots! I’m the young bald guy hehe Here’s a couple people wearing my shirts. If you got a shirt and happen to take a pic while wearing it, send it to me so I can add you to my wall of fame/shame…you decide which…hehe.…

  • Winbox Blast From The Past

    Winbox Blast From The Past

    I worked with someone yesterday that has an X86 based mikrotik running T1 cards. Since their cards have support no longer available in new versions, they were still running version 2.8.28. I actually ended up finding a copy to play with…just for fun 😉 Feast thine eyes on the icon heavy beauty that is…winbox 2.8.28!

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    Parse Your Cisco Devices To Reconcile Customer Information

    Since I work for a datacenter, we have a LOT of ports. Our customers hang off of a handful of pieces of equipment, but we have a lot of density on these devices. Every so often we run the numbers for how much bandwidth is subscribed to each customer as well as how much are…

  • My MUM Presentation – Troubleshooting
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    My MUM Presentation – Troubleshooting

    It’s over here on tiktube. I haven’t watched it…I can’t stand to see myself on video…hehe. If you recall I did a post called Leap of Faith. Most everyone was worked in, and Andrew sent me a personal picture response…I thought I would share it. I had no idea that Australian high fashion included monocles…