NSX components can be accessed via NSX managers as shown below:

Connect to NSX Manager engineering mode: 

• Login to NSX Manager as Admin user

 ssh admin@<NSX Manager IP>

• After successfully authenticated
• Switch to enable mode with the command “en” and enter the “enable” password
• Type the command for accessing the engineering mode:

         st e

• Type “y” and enter the following password: IAmOnThePhoneWithTechSupport

From this NSX manager root shell, connect to Controllers: 

Connect to vCenter > Navigate to Network and Security section >

Connect to DLR (Distributed Logical Routing) / ESG (Edge Services Gateway): 

Connect to vCenter > Navigate to Network and Security section >