NSX-T 3.0 Deep Dive

In series of blog posts we are going to walk through different steps to setup a NSX-T Data Center infrastructure. If you are new to NSX-T, please first go ahead and read the Introduction to VMware NSX. To get more insight on NSX-T architecture you can continue with NSX-T Architecture and Components post. Because we are using NSX-T 3.0 for the purpose of this implementation deep dive, you can also review What’s new in NSX-T 3.0 blog post.

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Following are the required steps to build a solid NSX-T Data Center foundation. Please follow each step and we are going to update and complete this list regularly.

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What’s New in NSX-T 3.0

On April 7th 2020, VMware introduced next major release of its Network Virtualization & Security solution. NSX-T 3.0 introduces variety of new features which enhance the adoption of software-defined networking in private, pubic and hybrid-cloud environment.

Following are some of the new features and enhancements that are available in NSX-T 3.0 Datacenter;

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NSX-T Architecture & Components

As it mentioned in Introduction to VMware NSX , NSX-T Datacenter is built on three integrated layers of components which are Management Plane, Control plane & Data plane. This architecture and separation of key roles enables scalability without impacting workloads.

NSX-T Management cluster which built from three-node NSX-T managers controller nodes. Management plane and control plane are converged on each node. NSX managers provides Web-GUI and REST API for management purposes. This is one of the architectural difference compared to NSX-V which had to integrate into vSphere Client & vCenter server. NSX Manager is also could be consumed by Cloud Management Platform(CMP) like vRealize Automation to integrate SDN into cloud automation platforms. NSX-T Manager can also connect to vSphere infrastructure through integration with vCenter Server(Compute Manager).

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NSX-T Password Expiration

NSX-T has a default password expiration policy of 90 days for NSX-T Manager and NSX-T Edges. As soon as this expiration period passes, at the login page of NSX-T Manager an error appears complaining that “Your password has expired”. As a result, you are not able to login to NSX-T Manager.

To solve this issue, login to NSX Manager’s virtual appliance through SSH. Enter admin as the username and use current password to login. After login in NSX Manager, you will be asked to change your password because it is expired. This is the way you can reset NSX Manager admin’s password.

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Introduction to VMware NSX

VMware NSX is a network virtualization and security platform and it is part of VMware’s Software Define Datacenter (SDDC) architecture. VMware NSX has emerged as VMware acquisition of a company call Nicira in 2012 which had a solid product on Software Defined Network (SDN). The product comes in four different forms;

  1. NSX Data Center
  2. NSX Cloud
  3. NSX SD-WAN
  4. NSX Hybrid Connect

NSX Data Center itself comes in two different flavors, NSX-V which mainly designed to work in VMware vSphere environments and NSX-T, formerly known as Multi-Hypervisor, which offers network virtualization and cyber-security features for multi-hypervisor, container-based and multi-cloud environments like AWS or Azure cloud services. Software-Defined networking delivers L2 to L7 network functions in software and allowing virtualization and cloud administrators to provision required services on hypervisor level.

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