About Greg Ferro

Greg Ferro is a Network Engineer/Architect, mostly focussed on Data Centre, Security Infrastructure, and recently Virtualization. He has over 20 years in IT, in wide range of employers working as a freelance consultant including Finance, Service Providers and Online Companies. He is CCIE#6920 and has a few ideas about the world, but not enough to really count.

He is a host on the Packet Pushers Podcast, blogger at EtherealMind.com and on Twitter @etherealmind and Google Plus

Poster: Cloud Kittens

21st February 2012 By Greg Ferro 1 Comment

Because Cloud Computing wouldn’t kill just ONE kitten at a time.

Filed Under: Blog, Posters

EIGRP – Auto Summary

19th February 2012 By Greg Ferro 2 Comments

I’ve been revising some EIGRP and it seems that a lot of what I used to know, I don’t know. Or maybe I didn’t know it the first time. Here, I’m just fiddling with EIGRP and the auto-summary command.

Filed Under: Blog Tagged With: routing

Network Dictionary – SR-IOV

18th February 2012 By Greg Ferro Leave a Comment

Define Single Root I/O Virtualization (SR-IOV)

Filed Under: Dictionary Tagged With: Dictionary

Tech Notes: Juniper QFabric – A Perspective on Scaling Up

14th February 2012 By Greg Ferro 9 Comments

Juniper QFabric is a new approach to Ethernet Switch Fabrics. When it was announced last year,it was noted that the underlying physical design is a completely different approach to building Switch Fabrics. Here I’m taking a loosely research based approach to understand how Juniper QFabric is different from all other approaches to the problem, and also a look at some of the challenges ahead.

Filed Under: Blessay, Blog, Design, Tech Notes Tagged With: Design, ethernet, fabric, juniper, network design

Tech Review: NETCONF and YANG

13th February 2012 By Greg Ferro Leave a Comment

Over the last few months I’ve been looking at Network Management options that are not OpenFlow or SNMP based. This led to NETCONF & YANG and these are my working notes from some time spent reading and researching.

Filed Under: Blog Tagged With: management, netconf

Introduction to OpenFlow & SDN – Presentation and Screen Recording Posted

12th February 2012 By Greg Ferro Leave a Comment

Thanks to Ivan at IPspace.net, we have posted the video and presentations from the SDN & OpenFlow on Tuesday including a demonstration of the OpenFlow/SDN with the BigSwitch virtualization controller.

Filed Under: Blog, OpenFlow Tagged With: openflow, SDN

Things Security People Say

12th February 2012 By Greg Ferro 2 Comments

Pass the tissues please, I need to wipe away these tears of laughter.

Filed Under: Blog

Will SDN/OpenFlow Be Used in the Enterprise ?

11th February 2012 By Greg Ferro 1 Comment

Following the OpenFlow/SDN webinar last week, Brad sent me this question:

What does your crystal ball tell you regarding industry acceptance? I can see the Google’s of the world needing this—but what about the average enterprise?

Here is my best effort at answering:

Filed Under: Blog, OpenFlow, Opinion Tagged With: openflow, SDN

Is OpenFlow Open ? I Ask – Compared to What ?

9th February 2012 By Greg Ferro 6 Comments

I’ve always wondered whether the Open Networking Foundation is the correct caretaker of the standards process for Software Defined Networking. Recently, we’ve seen some questioning of the direction of those standards on OpenFlow, and, now that we are beginning to understand the concepts of controllers, Software Defined Networking these are good questions to ask. it shows [...]

Filed Under: Blog, Design, OpenFlow, Opinion Tagged With: openflow, SDN

About Greg Ferro

Poster: Cloud Kittens

EIGRP – Auto Summary

Network Dictionary – SR-IOV

Tech Notes: Juniper QFabric – A Perspective on Scaling Up

Tech Review: NETCONF and YANG

Introduction to OpenFlow & SDN – Presentation and Screen Recording Posted

Things Security People Say

Will SDN/OpenFlow Be Used in the Enterprise ?

Is OpenFlow Open ? I Ask – Compared to What ?

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