Enable Access to Ports and Protocols

No inbound ports are required to be open in your on-prem deployment of NSX-T Data Center to enable public cloud connectivity.

The following outbound ports are required:

Table 1. Ports and Protocols Required for Public Cloud Connectivity with NSX-T Data Center

From	To	Port	Protocol	Required for:
CSM	PCG	80 Note: If you are using NSX-T Data Center version 2.5.0, you need to open the non-standard port 7442 instead, and ensure your firewall allows SSL traffic over it.	TCP	CSM configuration, such as upgrade workflow, over HTTPS.
NSX Manager	PCG	443	TCP	NSX RPC channel(s).
CSM	NSX Manager	443	TCP	CSM to access NSX Manager. See Ports and Protocols for details on the on-prem deployment.