Author Archives: RedNectar Chris Welsh

About RedNectar Chris Welsh

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

Seven things to know to make Hyperflex go – Cisco HyperFlex Best Practices

Creating a Datastore in Hyperflex Connect is easy, Creating a Datastore in vCenter is messy, When creating HXDP Snapshots in vCenter you need to be careful. There are some things that you need to do differently, and some you should do differently. Here are Seven things to know to make Hyperflex go. Continue reading

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Posted in Best Preactices, Cisco, Data Center, Data Centre, ESXi, Hyperflex, VMware | Tagged , , , | Leave a comment

MS Community Robot Finds Word Tables Offensive

I posted this question on the Micsoft Community board and in the course of the following discussion, I posted this picture of a MS Table with the Language incorrectly set. But suddenly, it was removed from my discussion.  Replaced by … Continue reading

Posted in Microsoft, opinion, rant

RedNectar’s Hyperflex Pre-Install Checklist (Updated)

Completing Cisco’s Pre-installation Checklist for Cisco HX Data Platform will capture all the information you need, but not necessarily in the order you need it, and for a single site only. So, I decided to write a version that gets … Continue reading

Posted in Cisco, Hyperflex, UCS, VLANs | Tagged | 1 Comment

Resolution Immediacy and Deployment Immediacy – ACI Master Class

When configuring ACI, have you ever wondered what those Resolution Immediacy options [Immediate | On Demand | Pre-provision] and the Deployment Immediacy options [Immediate | On Demand] do? Continue reading

Posted in Access Policy Chain, ACI, ACI Tutorial, Cisco, Master Class, Nexus 9000 | Tagged , , ,

ARP Gleaning – ACI Master Class

The purpose of these Gleaning ARPs is simply to “tickle” the target station into sending a packet – not because the gateway needs the MAC address of the target! Continue reading

Posted in ACI, ACI Tutorial, Cisco, Master Class | Tagged , , , | 7 Comments

An Epyc new addition to the UCS Family!

Originally posted on UCSguru.com:
? Back in February of this year, when I read an article in The Register, announcing that Raghu Nambiar, the then chief technology officer for UCS servers had joined AMD. I didn’t think too much of…

Posted in GNS3 WorkBench

Backup Plan

Found this in a hotel tonight. Always good to have a backup plan

Posted in GNS3 WorkBench | Tagged