Create an HCX network extension
Create an HCX network extension is an optional step to extend any networks from your on-premises environment to Azure VMware Solution.
Under Services, select Network Extension > Create a Network Extension.
Select each of the networks you want to extend to Azure VMware Solution, and then select Next.
Enter the on-premises gateway IP for each of the networks you're extending, and then select Submit.
It takes a few minutes for the network extension to finish. When it does, you see the status change to Extension complete.
Next steps
Now that you configured the HCX Network Extension, learn more about: