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

  • TheBrothersWISP 80 – Favorite Things 2018, SIP Tshooting, Centurylink Outage

    TheBrothersWISP 80 – Favorite Things 2018, SIP Tshooting, Centurylink Outage

     This week Greg, Mike, and Dave do the first cast of the new year…time to start out on the wrong foot 😉 This cast we talk about: UBNT vs. Cambium Lawsuit Update Centurylink outage Mikrotik NAT (as it pertains to SIP and RTP) Broken Greg fav things: hAP AC^2, pickleball, your mom’s house podcast/Harmontown…

  • TheBrothersWISP Top 5 Tips Tommy C and Greg

    TheBrothersWISP Top 5 Tips Tommy C and Greg

     This week Greg and Tommy C(TCent to his fam) talk about their top 5 tips. The Tips: Tommy C 1. Have a test bench: I read somewhere “everyone has a test network, not everyone has a production network” I have been able to pull off so many changes/upgrades to our network just because I…

  • TheBrothersWISP 79 – Ubiquiti Financing, MUM Austin, Slack Catchup

    TheBrothersWISP 79 – Ubiquiti Financing, MUM Austin, Slack Catchup

     This week Greg and Mike do an after Thanksgiving update. This cast we talk about: Ubiquiti 0% financing Mikrotik newsletter 85 MUM USA in Austin April 4th-5th Mikrotik BGP Tests? Happy Birthday to Miller IBM picks up RedHat Airspan acquires Mimosa *Slack Updates* Jeff – Huawei US distribution raised prices and documentation is behind…

  • TheBrothersWISP 78 – MTK Grey Hat, RF E Asymmetric Horns, Supermicro HW Hack?

    TheBrothersWISP 78 – MTK Grey Hat, RF E Asymmetric Horns, Supermicro HW Hack?

     This week Greg, Andrew Cox, Andrew Thrift, Dave, and Nick Arellano choot the chit. This cast we talk about: Generate ACLs for country based filtering Route filter for North America Mikrotik grey hat hacker asking for donations. New logo challenge…what do you guys like? Don’t use RB1100 ports 11-13; on pcie interface which causes…

  • Cisco IOS-XR Up Arrow Not Working

    I found that on my ASR9000 router every time I hit the up arrow I got the following errors: Invalid number(-48) sent as ASCII value to command-line process from VTY/TTY, refreshing prompt. Invalid number(-95) sent as ASCII value to command-line process from VTY/TTY, refreshing prompt. It seems that Cisco recommends setting the stop bits to…

  • TheBrothersWISP 77 – Cambium Cat5, 4011 BGP, All-In-One or Nah?

    TheBrothersWISP 77 – Cambium Cat5, 4011 BGP, All-In-One or Nah?

     This week Greg, Dave, and Mike (Déjà vu) yarn for a bit; stay a while, and listen. This cast we talk about: IPv6 follow-up: enable ipv6 in MTK, then issue “/system default-configuration print” to see default ipv6 firewall rules Steve’s IPv4/IPv6 Network Aggregator Cambium is going to sell outdoor cat5 Greg’s USB boost converter…

  • Build a 5V USB to 24V PoE Booster
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    Build a 5V USB to 24V PoE Booster

    I wanted the ability to conveniently PoE power radios out in the field, which to me, means via USB. I started doing some googleing, and couldn’t find anything, so here’s a quick tutorial on how to build one of your own. It takes any USB input(either via your laptop* or a booster pack), and spits…