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

  • Pre Mikrotik RouterOS v6.38.5 Exploit In The Wild

    Mikrotik released the following information: Hello, It has come to our attention that a rogue botnet is currently scanning random public IP addresses to find open Winbox (8291) and WWW (80) ports, to exploit a vulnerability in the RouterOS www server that was patched more than a year ago (in RouterOS v6.38.5, march 2017). Since…

  • Mikrotik CRS328-24P-4S+RM – 24 Port PoE Switch
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    Mikrotik CRS328-24P-4S+RM – 24 Port PoE Switch

    It looks like the CRS328 is about to be a thing, and I was looking at where it fits in. Switching Features • Non-blocking Layer 2 switching capacity • 16K host table • IEEE 802.1Q VLAN • Supports up to 4K simultaneous VLANs • Port isolation • Port security • Broadcast storm control • Port…

  • TheBrothersWISP 65 – OpenVPN, Siklu 10Gb, VAR’s Design

    TheBrothersWISP 65 – OpenVPN, Siklu 10Gb, VAR’s Design

     This week Greg, Mike, Wilson, Miller, and Tomas discuss the chick pea, it’s neither a chick, nor a pea. This cast we talk about: chinog in may Wispamerica very soon OpenVPN isn’t so hard Mikey 😉 Unimus has some US MUM vouchers, so bother Tomas about it. Siklu has 70/80Ghz 10Gb wireless link Link…

  • Video Guide to Configure OpenVPN in Mikrotik For Remote Offices

    Video Guide to Configure OpenVPN in Mikrotik For Remote Offices

    Use OpenVPN along with OSPF to have remote offices that dynamically create tunnels to a hub site and share routes dynamically between the two. Create a self-signed certificate in Mikrotik: /certificate add name=ca-template common-name=myCa key-usage=key-cert-sign,crl-sign add name=server-template common-name=server add name=client1-template common-name=client1 add name=client2-template common-name=client2 /certificate sign ca-template ca-crl-host=192.168.88.153 name=myCa sign server-template ca=myCa name=server sign client1-template…

  • TheBrothersWISP 64 – CHR/Virtual Routers, MUM Spec, Your Lab

    TheBrothersWISP 64 – CHR/Virtual Routers, MUM Spec, Your Lab

     Greg, Wilson, Andrew Cox, and Mike put all those other sucker MCs to shame. This cast we talk about: Slack updates CHR virtio-scsi driver/CHR additions in recent RC Virtual routing ASICs to CPU routing, and back to ASICs What does your network lab look like? Upcoming events Help support us by becoming a patron!…

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    My Mobile Home Network Lab

    So my lab allows me to login to a web page and power on/off all of my network gear. I also have a console server to remotely access every piece of gear. I use this lab extensively for building my Lynda and LinkedIn Learning videos. I also use it regularly for all sorts of network…

  • TheBrothersWISP 63 – Mikrotik NL 80, Network Coach, Sales People

    TheBrothersWISP 63 – Mikrotik NL 80, Network Coach, Sales People

     Join Tomas, Mike, and Greg as we roll the D20, and forage through our bag of holding. This cast we talk about: Mikrotik updates wap-60g hap-ac2 cap-ac Newsletter 80 USB-powered MT Getting a network coach. Account manager vs. sales vs. sales support vs. sales engineer The boring company’s flame thrower Help support us by…