Symptoms:
The process may fail or never complete while changing the VXLAN port from 8472 to 4789 (standard port assigned by IANA).
Note: Starting with NSX 6.2.4, the default VXLAN port is 4789, the standard port assigned by IANA. In versions earlier to NSX 6.2.4, the default VXLAN UDP port number was 8472.
VMware NSX for vSphere 6.2.x
VMware NSX for vSphere 6.3.x
VMware NSX for vSphere 6.4.x
To resolve the issue, run the REST API calls to check the status of the job and resume the change.
Prerequisites:
Procedure:
For more information, see Change VXLAN Port.