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VMware VCD 10.4.0: “NullPointerException” Error when Enabling NSX ALB Load balancing on Org Edge Gateway

  • Posted on March 23, 2023March 23, 2023
  • by Mohamad Alhussein

As you may know, NSX ALB is the only available option that allows LBaaS offering through VCD when NSX-T is used as the network backing type for the OrgVDCs. The native NSX-T loadbalancer isn’t used in VCD. Accordingly VCD will…

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  • VMware Cloud Director

HTTPS LB for VCD 10.4.x on NSX ALB 22.1.1: “Unable To Perform Query” – VCD UI Access Issue

  • Posted on March 22, 2023March 22, 2023
  • by Mohamad Alhussein

This post will not show you how to configure the HTTPS load balancer for VMware Cloud Director (VCD). There are multiple public articles that cover the details for such LB configuration. In this post, I will shed the light on…

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  • VMware NSX-T Data Center

VMware NSX-T 3.x: Second NSX Manager Deployment Failed – VMDK Transfer Error

  • Posted on March 19, 2023March 19, 2023
  • by Mohamad Alhussein

During VMware NSX Manager cluster deployment, and after the OVA deployment of the first NSX manager and adding the vCenter server as a compute manager, you may encounter the below error message while trying to provision the 2nd NSX manager…

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  • VMware NSX-T Data Center

VMware NSX-T 3.x: Traffic Capture on Tier-0 Gateway Uplink

  • Posted on March 18, 2023March 19, 2023
  • by Mohamad Alhussein

This post will walk you through the steps needed to capture the incoming/outgoing traffic on Tier0 gateway uplink level. The result will be a PCAP file that can be imported into a packet analyzer such as Wireshark for further troubleshooting…

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  • VMware NSX-T Data Center

VMware NSX-T Manager 3.x – Enable Root SSH Login After Initial Installation

  • Posted on January 1, 2023January 1, 2023
  • by Mohamad Alhussein

This post will walk you through the steps that you can follow to enable SSH login for root account if it was disabled during the deployment of the NSX-T manager OVA appliance. If you deployed the NSX-T manager appliance and…

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  • VMware Cloud Director

VMware Cloud Director 10.3.x VAMI Setup – NFS Mount Validation Failing

  • Posted on December 20, 2022December 20, 2022
  • by Mohamad Alhussein

Recently I was deploying VMware Cloud Director as part of an engagement for a Cloud Provider customer and I faced a couple of issues connecting to their Linux NFS server. I am writing this post to share with you the…

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  • VMware Cloud Director

VCD 10.3.1: Cross-Cluster Workload Migration within the same elastic PVDC

  • Posted on March 12, 2022March 12, 2022
  • by Mohamad Alhussein

I came into a scenario recently where we need to decommission a cluster from a provider PVDC where that cluster also contains workloads already provisioned by the customer through the VCD tenant portal. In order to do so, we need…

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  • VMware NSX-T Data Center

NSX-T 3.2.x Manager – Sizing matters

  • Posted on March 8, 2022March 8, 2022
  • by Mohamad Alhussein

In this post I just want to share with the community our experience with one issue that we faced recently in one of the new NSX-T projects that our team is delivering. This is a fresh deployment of NSX-T 3.2.0.1…

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  • VMware NSX-T Data Center

NSX-T 3.x – Configuring VRF Lite

  • Posted on March 7, 2022
  • by Mohamad Alhussein

In this post, I am going to demonstrate how NSX-T helps isolate routing domains by configuring NSX-T 3.x VRF lite. Virtual Routing and Forwarding (VRF) is a routing technology that allow the coexistence of multiple routing instances in one routing…

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  • VMware Cloud Director

VMware Cloud Director 10.3.1: Publishing & Subscribing to a Catalog

  • Posted on January 9, 2022January 9, 2022
  • by Mohamad Alhussein

Most of service providers infrastructures have multiple Cloud Director instances running in multiple availability zones for availability requirements. In such case, managing multiple catalogs manually and keeping them all synchronized introduce a lot of administrative overhead. Thankfully, VCD has a…

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About This Site

This is the personal blog of Mohamad Alhussein. It is dedicated to my views and opinions on the various areas of the datacenter while emphasizing virtualization. It also serves as a learning tool for me to document deployments, configurations, and share possible solutions for the issues I encounter.

The opinions expressed on this site are solely mine and and does not necessarily reflect those of my employer.

Recent Posts

  • VMware VCD 10.4.0: “NullPointerException” Error when Enabling NSX ALB Load balancing on Org Edge Gateway
  • HTTPS LB for VCD 10.4.x on NSX ALB 22.1.1: “Unable To Perform Query” – VCD UI Access Issue
  • VMware NSX-T 3.x: Second NSX Manager Deployment Failed – VMDK Transfer Error
  • VMware NSX-T 3.x: Traffic Capture on Tier-0 Gateway Uplink
  • VMware NSX-T Manager 3.x – Enable Root SSH Login After Initial Installation

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