IPv4 layer 3 forwarding is enabled by default. You can also configure IPv6 layer 3 forwarding.


  1. With admin privileges, log in to NSX Manager.
  2. Select Networking > Networking Settings.
  3. Click the Global Networking Config tab.
  4. Edit the Global Gateway Configuration and select IPv4 and IPv6 for the L3 Forwarding Mode.
    IPv6 only is not supported.
  5. Click Save.
  6. Select Networking > Tier-0 Gateways.
  7. Edit a tier-0 gateway by clicking the menu icon (three dots) and select Edit.
  8. Go to Additional Settings.
    1. There are no configurable IPv6 addresses for Internal Transit Subnet. The system automatically uses IPv6 link local addresses.
    2. Enter a /48 IPv6 subnet for T0-T1 Transit Subnets.
  9. Go to Interfaces and add an interface for IPv6.