You can upgrade VMware NSX-T Data Center from version 2.5.2 to 3.2.0.1 in the following sequence: 2.5.2 > 3.1.3 > 3.2.0.1. Upgrading NSX-T Data Center involves upgrading its components in the following order: Edges, Hosts, and Management Nodes.

Prerequisites

Follow these prerequisites in NSX-T Data Center 2.5.2:

  1. Perform the Pre-Upgrade Tasks.

  2. Review the NSX-T Data Center Upgrade Checklist to track your work on the NSX-T Data Center upgrade process.

  3. Prepare your infrastructure for the NSX-T Data Center upgrade.

  4. Back up the NSX Manager.

Procedure

  1. Upgrade NSX-T Data Center from version 2.5.2 to 3.1.3.
  2. Back up NSX Manager in NSX-T Data Center 3.1.3.
  3. Run the NSX Upgrade Evaluation Tool.
  4. Upgrade NSX-T Data Center from version 3.1.3 to 3.2.0.1.

What to do next

  1. Perform Post-Upgrade Tasks to verify whether the upgrade is successful.

  2. After the NSX-T Data Center upgrade is successful, verify that the clusters prepared for NSX-T Data Center are in Success state:

    1. Log in to NSX-T manager using Virtual IP (VIP) address.

    2. Navigate to System > Fabric > Node > Host Transport Nodes.

    3. Verify that all the clusters prepared for NSX-T Data Center are in Success state without any error.

    4. If there is any error on the ESXi hosts in the cluster, reconfigure transport node by selecting the CONFIGURE NSX option on the cluster using the existing transport node profile. If there is any other upgrade issue, see Troubleshooting Upgrade Failures.