Robustel - Robustel routers support route-based IPsec, and when both the gateway and the host network use #IPv6 addresses, users can create either an auto-keyed or manually-keyed VPN. In Robustel's demo video
![Set Up IPSec Site to Site VPN Between Fortigate 60D (3) - Concentrator and Troubleshooting - Cybersecurity Memo Set Up IPSec Site to Site VPN Between Fortigate 60D (3) - Concentrator and Troubleshooting - Cybersecurity Memo](https://blog.51sec.org/ezoimgfmt/4.bp.blogspot.com/-G05GvYQTr38/VS166a-p2RI/AAAAAAAAD90/ijJQmpSAKwM/s1600/sec%2Blab.png?ezimgfmt=ng%3Awebp%2Fngcb11%2Frs%3Adevice%2Frscb11-2)
Set Up IPSec Site to Site VPN Between Fortigate 60D (3) - Concentrator and Troubleshooting - Cybersecurity Memo
![Using strongSwan to Configure On- and Off-Cloud Communication_Virtual Private Network_Administrator Guide_HUAWEI CLOUD Using strongSwan to Configure On- and Off-Cloud Communication_Virtual Private Network_Administrator Guide_HUAWEI CLOUD](https://support.huaweicloud.com/intl/en-us/admin-vpn/en-us_image_0176468272.png)