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Show 18 – Docker Networking

EXPLODING back into action in 2016 is the Class C Block, keeping up our legendary breakneck pace of 2 shows a year. Try to keep up.

With show #18, we’re joined by two very special guests, who started a company called Socketplane back in late 2014, which was very quickly acquired by Docker in early 2015. They’ve been working hard on bringing a robust, yet simple networking solution into the Docker ecosystem.

It was a lot of fun to chat with these gents, especially considering that so much has changed for everyone since we had them on last time, for show #12.

Our guests are:

We also discussed the “Gopher-Net” organization on Github – if you’re involved with Golang and/or networking, stop on by!

Show 17 – Containers and IPv6

NOTE – This show occurred in May 2015, and we’re a bunch of dum dumbs that didn’t make a blog post about it. So, if you’re wondering why the date on the video is totally different from the date on the blog post, that’s why. Sorry about that!

For show #17, we were joined by two friends from the networking community to talk about containers and IPv6. We felt like the explosion of containers to provide even greater application density was going to place even more of an emphasis on migrating to IPv6 in order to provide a scalable network infrastructure for these next-generation applications, so we brought on a few folks to talk about this:


Show 16 – Ansible and Network Automation

For show #16, we were pleased to be joined by some fellow automation junkies to talk about network automation in general, and a little bit about our current obsession, Ansible.

In this episode, we talk about what it would take to move network automation  out of the “fear” stage and actually begin to use it for production network changes. We discuss the role of current DevOps tools like Ansible in this effort, and then segue into a more general discussion about the state of the industry, and all of the buzzwords that fly by our heads on a daily basis.

For this episode, we’re joined by:

This is a “don’t miss” episode – hope you enjoy it!

Show 15 – Cumulus Linux

In this show, we sit down with a few cool cats to talk about one of the hottest topics in open networking – Cumulus Linux. We discuss what Cumulus Linux is, how we think it fits in the market, and experiences from those that have used it.

For this episode, we’re joined by:


Show 13 – OpenDaylight, SDN, and Tomorrow’s Network Engineer

For show number 13, we’re joined by a few folks who have really made an impact in the community surrounding SDN, and Open Source, specifically in the OpenDaylight project. In this show, we walk about OpenDaylight, general SDN, control plane, management plane, and more.

We also discuss the role of the network engineer when it comes to SDN projects like this, and how you can still contribute, whether you’re ready to write code with the pros, or completely new to it all.

“[OpenDaylight] is certainly sexy, but it’s not porn.” –Madhu Venugopal



Madhu Venugopal –@MadhuVenugopal

Ed Henry –@NetworkN3rd

Brent Salisbury –@networkstatic


Show Notes/Resources


Show 11 – VMware NSX

In Show #11 we talk about overlay networking, and specifically VMware NSX, announced last week at VMworld 2013.

We were fortunate enough to be joined by Ivan Pepelnjak (@ioshints) for this episode, where we talk about some of the technical details and challenges behind an overlay networking approach.



Show 10 – Cisco Live 2013 Recap

This show is a recap of Cisco Live 2013. For this show, we’re joined by:

We talk about Cisco Live events, announcements, and even segway into technical topics like IPv6, LISP, SDN and more! We also talked a little bit about the upcoming VMworld 2013 (this show was recorded well before VMworld) and some of the products we’re excited to take a look at from that upcoming conference.

We talk about some of the Cisco Live announcements like:

  • The new Cisco Catalyst 6800 switch
  • The new Cisco Nexus 7700 switch
  • Dynamic Fabric Automation
  • The “Soft Launch” of Insieme at CLUS 2013



The Class-C Block: It’s Alive!!!

Our Awesome Listeners,

My name is Matt Oswalt and you may have heard me on several Class-C Block episodes in the past. I’d like to drop you all a quick note and fill you in on what The Class-C Block has been working on lately.

As you all know from our previous post, CJ’s new position with Facebook has kept him super busy. Understandably, this means that a large portion of his time and attention is going to be required of him from this position.

As a result, I will be helping out at The Class-C Block as co-host. The three of us still love to get together and talk nerdy, nerdy networking, and CJ will hop on the show if his schedule permits, but for the foreseeable future, I’ll be filling that role so that you can all continue to hear our lovely voices – and isn’t that what life is really about?

On a serious note – there’s no doubt in my mind that the conversations taking place right now are some of the most important conversations the technology industry has ever seen. This show was created to talk about the nerdy networking stuff that makes us tick, and in my opinion, as long as we keep having these conversations, we’re moving forward.

This week we will be releasing brand new content – be on the lookout for this! Follow us on twitter (@ClassCBlock) or subscribe via RSS or iTunes for all your Class-C updates.

As always, drop us a line in the comments or on Twitter  for show ideas, comments, concerns, inquiries, posers, random insults, etc. We look forward to hearing from you, and hope you continue to enjoy our show!

Matt Oswalt