Author Archives: RedNectar Chris Welsh

About RedNectar Chris Welsh

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

50% off GNS3 Network Simulation Guide

PACKT are having a promotion on the GNS3 Network Simulation Guide until March 6 2016 Use the code JKTKU50y when ordering to get the discount or use the link http://bit.ly/1PaN7fS to get 50% off the normal price! My original post obout the publishing of … Continue reading

Posted in GNS3 WorkBench | Leave a comment

I Bought a MS Surface Book, so now I’m really P…d off with Apple

Because if Apple had kept up its history of innovation in Personal Computers, Apple Laptops would now be shipping with touch-screens and stylus pencils. Continue reading

Posted in Mac OS X, Macintosh, Microsoft, opinion, rant, Surface | Tagged , , , , , , , | Leave a comment

Cisco ACI Tutorial 4 – All about Access Policies – the new “interface range” command

All about Access Policies – the new “interface range” command Cisco ACI Tutorial – Part 4 Since you no longer have to configure ports on individual switches, but rather configure multiple ports on multiple switches from a central controller, some … Continue reading

Posted in Access Policies, ACI, ACI configuration, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , | 1 Comment

New CLI coming for Cisco ACI/APIC

This video on youtube shows off the NX OS style CLI coming for Cisco ACI with version 1.2 code for the APIC and version 11.2 ACI switch code. The slides shown at the beginning of the video mention a release date … Continue reading

Posted in ACI, ACI configuration, Cisco, Data Center, Data Centre, NX OS | Leave a comment

Cisco ACI Tutorial 3 – Sing a new song for sorting server groups and policy

Sing a new song for sorting server groups and policy Cisco ACI Tutorial – Part 3 If you have been responsible for defining groups of servers and devices to which policy can be applied, you have probably used structures called Access … Continue reading

Posted in ACI, ACI configuration, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking | Tagged , , , , , , , , , , , , | 3 Comments

Cisco ACI Tutorial 2 – Goodbye to VLANs. Well… not quite

I almost always avoid using the Wizard steps because Wizards are magical creatures that are particularly good at hiding information. Continue reading

Posted in ACI, ACI configuration, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking | Tagged , , , , , , , , , , , , | 2 Comments

Cisco ACI Tutorial – A Configuration Guide

Cisco ACI Tutorial – A Configuration Guide Cisco ACI Tutorial – Part 1 Note: This is the first of a series of at least eight blog posts that I plan to publish over the coming weeks. Make sure you follow … Continue reading

Posted in ACI, ACI configuration, Cisco, configuration tutorial, Data Center, Data Centre, Nexus, Nexus 9000, SDN, Software Defined Networking | Tagged , , , , , , , , , , , , | 3 Comments