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

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    Cisco CMP – Out Of Band Built Into Your Router

    Today I had a customer ask us for assistance in configuring their CMP on their Cisco Sup2T for a 6500 chassis. To which I promptly googled it hehe. A CMP is the Connectivity Management Processor, AKA out of band manager. This is similar to IPMI in the server world. It lives on inside the supervisor,…

  • TheBrothersWISP 22 – 2015 MUMs

    TheBrothersWISP 22 – 2015 MUMs

    Mike, Miller, Tom and Greg went to the US MUM(well, Mike didn’t) and we have a little chat about it. Some of the things discussed: New MUM Hardware. Greg’s thoughts on said hardware. Mike’s IX midwest-ix Miller’s IX rva-ix OpenBGPd – openbsd bgp routing. BIRD – linux routing. FastTrack – fastpath with connection tracking. Greg’s…

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    Mikrotik Expect Script Slow Connection

    Tomas was having issues running an expect script that SSH’s into a Mikrotik to pull information. He would load about 80% of the MOTD, then it would hang for 10 seconds, then finish loading. Thrift had the thought about an issue with terminal emulation…which turned out to be the case. Tomas says to run with…

  • TheBrothersWISP 21 – WISPAmerica 2015

    TheBrothersWISP 21 – WISPAmerica 2015

    Mike and Wilson went to WISPAmerica 2015 and did a quick live event talking about everything new they saw. Quick input from Scott. Some of the things discussed: Telrad Mimosa Mike is giving away SFPs lulz. Lots-o-random things inbetween. To see the video please visit the link below!!!

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    Using BGP For QoS – MUM 2015

    This presentation is an example of using BGP for your QoS policies. The slides are available here: The configs are available here: The video is here: You can use route filters to mark incoming BGP routes. In this case we use route comments. This allows you to also manually add your own entries in with…

  • EU Mikrotik MUM 2015 Hardware Annoucements
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    EU Mikrotik MUM 2015 Hardware Annoucements

    You can find the announcement PDF HERE. These aren’t all of the announcements, just the ones I have more interest in. What is most interesting for you guys?

  • Mikrotik hAP Lite – RB941-2nD – Throughput Test
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    Mikrotik hAP Lite – RB941-2nD – Throughput Test

    I previously took a look at the hAP Lite here. I finally got a chance to bandwidth test the device and was pleasantly surprised. There is an x86 server on ether 1 and another server on ether 2. One btest session running 99 instances at full rate. A bare router. CPU 32%. Throughput 99Mb. One…