Enabling Generic Routing Encapsulation on the NetCloud Exchange Service Gateway - NetCloud-Service-Gateway-Integration-with-Amazon-Web-Services-Transit-Gateway/Enabling-Generic-Routing-Encapsulation-on-the-NetCloud-Exchange-Service-Gateway

Complete the following steps to enable Generic Routing Encapsulation (GRE) on the NetCloud Exchange Service Gateway:

1. Log into NetCloud Manager.

2. Select Devices in the left-side navigation panel.

3. Select the NCX Service Gateway from the Routers table.

4. Select Configuration and then Edit.

5. In the configuration tree, expand Config > VRF > main > interface > gre.

6. Select the + symbol next to gre.

   

7. Enter the GRE tunnel information:

   1. Name: gre-to-tgw (Example value for this guide.)

   2. local: The LAN IP address of the service gateway (The address 10.1.50.203 is used in this guide.)

   3. Enabled: True (checked)

   4. link-interface: lan0

   5. remote: 192.0.2.1 (The Transit Gateway GRE IP address used for creating a Connect Attachment.)

      

8. Select Save.

9. Expand the newly-create gre-to-tgw element and select ipv4.

10. Select enabled.

    

11. Select Save.

12. Expand ipv4 and select the Address element.

13. Select the + symbol to add an address to this list.

    1. ip: 169.254.6.1/29 (This represents the inner GRE address on the service gateway.)

       

14. Select Save.

15. Scroll down to Config > VRF > main > routing and expand static.

16. Select the + symbol next to ipv4-route.

17. For destination, enter 192.0.2.0/24.

    

18. Expand the new item for 192.0.2.0/24 and select the + symbol next to next-hop.

19. Fill out the next-hop information:

    1. next-hop: An IPv4 address.

    2. next-hop: The first IP address in the NetCloud Exchange Service Gateway’s LAN subnet. (The address 10.1.50.1 is used in this guide).

       

20. Select Save.

21. Select Save Commit to push all the changes to the service gateway.