Welcome to the Flackbox blog, where my aim is to help you build your cloud and data center career. If you’re looking to widen your knowledge across server, networking and storage technologies then you’ve come to the right place. I regularly upload training video tutorials featuring vendors such as Cisco, NetApp and VMware.

Cisco Spanning Tree Terminology – The Bridge

Posted on June 23, 2020 By

In this Cisco CCNA training tutorial, you’ll learn about the Spanning Tree terminology of bridges. This is going to just be a short lecture and I wanted to cover this before we get into the details of how Spanning Tree works. Scroll down to see the video and also text tutorial. Cisco Spanning ...

NetApp SAN Thin Provisioning Settings Tutorial

Posted on June 18, 2020 By

In this NetApp training tutorial, you’ll learn about the different configuration options you can use for SAN thin provisioning and how things are going to differ depending on whether you’ve used the command line or the System Manager GUI. Scroll down for the video and also text tutorials...

DNS on Cisco Routers

Posted on June 16, 2020 By

In this Cisco CCNA training tutorial, you will learn about the commands on how to configure a router to become a DNS Client. The reason you would do this is if you want the router itself to be able to resolve FQDN. Scroll down for the video and also text tutorial. DNS on Cisco Routers […]...

NetApp Inline vs Postprocess Storage Efficiency Tutorial

Posted on June 11, 2020 By

In this NetApp training tutorial, you’ll learn about inline and postprocess storage efficiency operations. I’ll explain what the default settings are on both AFF and FAS systems and how they differ. Moreover, I’ll also explain the various caveats about what can be configured where....

Subnetting Practice Questions

Posted on June 9, 2020 By

In this Cisco CCNA training tutorial, we’re going to work through a subnetting practice question. Scroll down for the video and also text tutorials. Subnetting Practice Questions Video Tutorial [youtube v = 5Sa-Ftyk9B8 maxwidth = 100%] [testimonial_view id=”1″]   The question is: ...

NetApp Storage Efficiency Reporting Tutorial

Posted on June 4, 2020 By

NetApp Storage Efficiency Reporting Tutorial

In this NetApp training tutorial, you’ll learn about how to monitor reports for the different storage efficiency technologies. Scroll down for video and also text tutorial. NetApp Storage Efficiency Reporting Video Tutorial [youtube v = ZLM5Tmg_HhE maxwidth = 100%] [testimonial_view id=”...

VLSM Variable Length Subnet Mask Example

Posted on June 2, 2020 By

In this Cisco CCNA training tutorial, we’re going to carry on with our subnetting theme, and by the end of the tutorial, you will be able to carry out a Variable Length Subnet Mask design for a real-world network topology. Scroll down for the video and text tutorial.   VLSM Variable Lengt...

NetApp LUN Space Reservation and Fractional Reserve

Posted on May 28, 2020 By

In this NetApp training tutorial, you’ll learn about thin provisioning for SAN protocols. You can thin or thick provision the LUN in the volume as well as thin or thick provisioning the volume in the aggregate. You’ll also learn about the fractional reserve, why we need it, and how it wo...