Tech Tips

Updating SSL Certificates for CML
May 3, 2026 · 11 min read · Cisco CML Networking Certificates SSL Automation Tech Tips ·
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If you have a Cisco Modeling Labs appliance in your lab or running on a piece of dedicated hardware, you have probably noticed two browser warnings every time you log in. CML ships with self-signed certs on both the main web UI and the Cockpit management UI, and your browser will complain about both. Cisco publishes an …

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Creating AHV-Ready Windows ISOs with Embedded VirtIO Drivers
Nov 25, 2025 · 8 min read · Nutanix AOS AHV Windows PowerShell VirtIO Tech Tips Automation ·
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Deploying Windows VMs on Nutanix AHV requires VirtIO drivers that aren't included in the standard Windows installation media. This means manually loading drivers during setup or mounting driver ISOs after installation. I've built a PowerShell tool that simplifies this process by injecting the VirtIO drivers directly …

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Issues with DCBX and LLDP on NX-OS 10.x
Mar 14, 2025 · 6 min read · Cisco Nexus Networking AHV Bug Home Lab Tech Tips PSA ·
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I recently deployed a new Nexus 93180YC-EX switch into my home lab, to replace the aging 9372PX. Sure, for a home lab this was fine, but I wanted to get up to some 25Gbe speeds! I've got various equipment connected to that old Nexus, with 2 Nutanix clusters and single VMware cluster, plus various other things, nothing …

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Understanding DNS Changes in Nutanix DR Recovery Plans
Oct 25, 2024 · 10 min read · Nutanix AOS NTC Automation PowerShell Recovery Plan Tech Tips ·
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Updated 10.31.24! I modified the script from using the vm_recovery.bat to do everything, to calling a powershell script since that gave some extra flexibility in validating the current IP and DNS settings. One of the best features of the Nutanix DR Recovery Plan is the ability to automate IP address changes based on …

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Weekly Tech Tip: Check your FEC!
Jul 26, 2024 · 6 min read · Cisco Nexus Cohesity FEC Networking Tech Tips ·
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Connectivity issues between Cohesity C5016 Nodes and Nexus 93180YC-FX3H Switches Very recently, I was deploying a new Cohesity C5016 appliance with 25Gb NICs, connecting up to a pair of Nexus 93180YC-FX3H switches. When using the 9K's in a VPC pair, my personal preference is to configure the Cohesity nodes with LACP to …

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Weekly Tech Tip: Nutanix Centralized Local Password Management
Jul 12, 2024 · 7 min read · Nutanix AOS NTC Security Password Management Tech Tips ·
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Simplify and Secure: Centralized Password Management with Prism Central In the ever-evolving landscape of IT security, managing passwords across various platforms can be a daunting task. However, Nutanix has released a Centralized Local Password Management feature designed to centralize password management, ensuring a …

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Securing Local Administrator Passwords
Feb 3, 2024 · 9 min read · Active Directory LAPS Security Windows Tech Tips ·
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In today's rapidly evolving digital landscape, maintaining a robust security posture is imperative for businesses and organizations of all sizes. One essential aspect of this security posture is effective password management, which can often be overlooked. A question I ask my customers quite often scares me with the …

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Mastering Maintenance Mode Operations: Part 2 - vSphere
Jan 27, 2024 · 10 min read · Nutanix vSphere Maintenance Mode Operations Tech Tips ·
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Welcome back to my series on maintenance operations with Nutanix! In Part 1, I reviewed some scenarios on using maintenance mode with Nutanix AHV, using both Maintenance Mode functions within Prism Element and the CLI. As a quick recap from Part 1, you can use both the GUI functionality in AOS 6.x+ to place a host in …

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Mastering Maintenance Mode Operations in Nutanix: A Guide for AHV and ESXi
Dec 23, 2023 · 13 min read · Nutanix AOS AHV Maintenance Mode Operations Tech Tips ·
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As with years past, as we come to a close on year’s end, I take some time to clean up the As-Built documentation templates I maintain for deployments; as part of this activity, I always come across outdated sections based on current feature sets, or areas that I think can use some additional content. This week, I …

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FMCv 7.2 Upgrade Gotchas on AHV
Jul 1, 2022 · 1 min read · Cisco Firepower FMC Nutanix AHV Tech Tips PSA ·
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Posting this more as a note to myself as a reminder and to also read the release notes a bit more carefully! After recently going thru an upgrade of the Firepower Management Center from 7.0.x to 7.2 FMCv, specifically on the Nutanix AHV platform I ran into a bug where the VM would not boot after the upgrade. While the …

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