Configure default gateway parameters

 
 
Step 1. Log into the vSphere Web Client and navigate to Networking & Security -> NSX Edges then double click on the Edge device for which you would like to add a default gateway.
 

 
Step 2. Click on Manage -> Routing -> Global Configuration then select Edit next to Default Gatway
 

 
Step 3. Specify the Interface and Gateway IP then hit OK
 

 
Step 4. Click Publish Changes