You can migrate one vSphere Distributed Switch at a time to NSX-T.
Overview of Migration Process
During the migration you will complete the following steps:
- Prepare your NSX-T environment.
- Configure a compute manager in the NSX-T environment.
- Add the vCenter Server system that manages the vSphere Distributed Switch (versions 6.5.0 and 6.6.0) you want to migrate.
- Start the migration coordinator service.
- Import configuration from vSphere.
- Enter the details of your vSphere environment.
- The configuration is retrieved and pre-checks are run.
- Select the vSphere Distributed Switch that you want to migrate.
- Resolve issues with the configuration.
Provide answers to configuration questions that must be resolved before you can migrate your vSphere environment to NSX-T. Resolving issues can be done in multiple passes by multiple people.
- Migrate configuration.
- After all configuration issues are resolved, you can import the configuration to NSX-T. Configuration changes are made on NSX-T, but no changes are made to the vSphere environment yet.
- Migrate Hosts.
- NSX-T software is installed on the hosts. VM interfaces are disconnected from vSphere Distributed Switch port groups and connected to the new NSX-T segments.
Caution: If you select In-Place migration mode, there is a traffic interruption during the Migrate Hosts step. However, if you select Maintenance migration mode, traffic interruption does not occur.
- NSX-T software is installed on the hosts. VM interfaces are disconnected from vSphere Distributed Switch port groups and connected to the new NSX-T segments.
- Finish Migration.
- After you have verified that the migrated networking is working correctly, you can click Finish to clear the migration state. You can now migrate another vSphere Distributed Switch to NSX-T.
