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Validating VXLAN and VTEP configuration
Follow these steps to validate the VXLAN and VTEP configuration:
- Navigate to Networking Security | Installation | Host Preparation and make sure the VXLAN column for the vSphere cluster that you have configured shows Configured with a green tick:
- Navigate to the Installation | Logical Network Preparation tab | and VXLAN Transport sub-tab. In the center pane, expand the applicable vSphere cluster and verify that Switch (vDS), VLAN, MTU, VMKNic addressing, Teaming Policy, and the number of VTEPs shows the correct configuration:
Starting from NSX 6.2.3, Vmware NSX uses VXLAN UDP Port 4789, which is the standard VXLAN port number assigned by IANA. Prior to NSX 6.2.3, the port was 8472. If you upgrade to NSX 6.2.3, the old port number ( 8472) will continue to be used after the upgrade unless you take steps to change it. Changing the port number can be done through the vSphere Web Client UI or via a REST API call.