Author Archives: RedNectar Chris Welsh

About RedNectar Chris Welsh

Professional IT Instructor. All things TCP/IP, Cisco or Data Centre

New APIC ACI 5.1 firmware – Cisco have gone colloquial

Posted on 2020/10/25 by RedNectar Chris Welsh

This is an absolute affirmation that Cisco only cares about North American users Continue reading →

Posted in ACI, Cisco, rant | Tagged , , | 1 Comment

Making the most of ACI when routing between tenants via a Firewall

Posted on 2020/10/06 by RedNectar Chris Welsh

I’ll show you how you can enhance your ACI migration by using some ACI features that are practically impossible to implement on L3 Firewalls Continue reading →

Posted in ACI, ACI Tutorial, Cisco, configuration tutorial, Data Center, Data Centre | Comments Off on Making the most of ACI when routing between tenants via a Firewall

ACI Version mismatch Alert. Don’t use v5 on APIC and v14 on Leaves

Posted on 2020/09/05 by RedNectar Chris Welsh

If you are stuck with some first-generation switches in your ACI fabric, you might be tempted to upgrade your APIC to version 5.x – maybe even attempt to upgrade your leaf switches to the companion v15.x. Let me tell you why you don’t want to do that. Continue reading →

Posted in ACI, Cisco, Data Center, Data Centre | Comments Off on ACI Version mismatch Alert. Don’t use v5 on APIC and v14 on Leaves

Protected: You won’t beleive how secure Cisco is!

Posted on 2020/08/19 by RedNectar Chris Welsh

There is no excerpt because this is a protected post.

Posted in Cisco, rant | Comments Off on Protected: You won’t beleive how secure Cisco is!

RedNectar’s Guide for writing Exam Questions

Posted on 2020/08/08 by RedNectar Chris Welsh

I feel your pain. You are sitting another [insert name of favourite vendor here] exam, and you come across a question that is just not written clearly, where the examiner has not made the question clear. And so, you begin … Continue reading →

Posted in Cisco, rant | Comments Off on RedNectar’s Guide for writing Exam Questions

CPOC Series: Exploring ACI —

Posted on 2020/08/02 by RedNectar Chris Welsh

Recently I had the pleasure to work with the fine folks at the Cisco Proof of Concept labs in Research Triangle Park, NC. Because of the unique times we live in, this normally onsite event was constrained to a virtual … Continue reading →

Posted in GNS3 WorkBench | Comments Off on CPOC Series: Exploring ACI —

Zoom Support Warning

Posted on 2020/06/16 by RedNectar Chris Welsh

This is a courtesy announcement for any followers or vistors about Zoom Support.

Zoom Support is, from the evidence so far, non-existent
Continue reading →

Posted in opinion, rant | Comments Off on Zoom Support Warning

Preparation List for using WebEx Training

Posted on 2020/05/25 by RedNectar Chris Welsh

The Covid #WorkingFromHome phenomenon has forced me to become re-aquainted with the Cisco Webex Training application.  To get the best performance from WebEx Training, I’ve made a list of the shortcomings of the application that I must remember to overcome … Continue reading →

Posted in GNS3 WorkBench | Tagged | Comments Off on Preparation List for using WebEx Training

moquery – Cisco’s Mysterious Obscure ACI query utility

Posted on 2020/04/09 by RedNectar Chris Welsh

Take some of the mystery and obscurity out of Cisco’s Managed Object query. The final outcome will be that you will be equiped with the knowledge to write a script and adapt to suit your needs. Continue reading →

Posted in ACI, ACI Tutorial, Cisco, Master Class | Tagged , , , , | 1 Comment

How to find powerpoint slides that don’t fit the template

Posted on 2020/03/07 by RedNectar Chris Welsh

any slides that have been altered cause a new slide layout to be added to your template with same name as the original with the characters 1_ prefixed. Continue reading →

Posted in Microsoft, PowerPoint, tutorial | Comments Off on How to find powerpoint slides that don’t fit the template