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Alternative Ingress IP

docs/cloud-alternative-ingress-ip.md

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Alternative Ingress IP

This feature allows you to configure the Algo server to send outbound traffic through a different external IP address than the one you are establishing the VPN connection with.

Additional info might be found in this issue

Caveats

Extra charges
  • DigitalOcean: Floating IPs are free when assigned to a Droplet, but after manually deleting a Droplet, you need to also delete the Floating IP or you'll get charged for it.
IPv6

Some cloud providers provision a VM with an /128 address block size. This is the only IPv6 address provided and for outbound and incoming traffic.

If the provided address block size is bigger, e.g., /64, Algo takes a separate address than the one is assigned to the server to send outbound IPv6 traffic.