By StaticIP
Hello, I’ve set up a droplet to serve as a VPN (using the OpenVPN Access Server marketplace image) and added a Reserved IP address. I am trying to make the egress IP on the droplet be the Reserved IP. This guide is my source: https://docs.digitalocean.com/products/networking/reserved-ips/how-to/outbound-traffic/
I log in via PuTTY and retrieve the Anchor IP using this command from the docs:
curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/anchor_ipv4/gateway
that returns 10.10.0.1
I use that IP in this command from the docs:
sudo sh -c “ip route del 0/0; ip route add default via 10.10.0.1 dev eth0”
At this point the PuTTY window freezes, and after no amount of time am I able to log back in or access the droplet via the OpenVPN web interface. I have to destroy the droplet to try again. I have also tried:
sudo sh -c “ip route del 0/0; ip route add default via 10.10.0.1/16 dev eth0”
as well as this, first: sudo ip addr add 10.10.0.1/16 dev eth0
If anyone knows how to properly execute this command, please let me know! Thank you in advance
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When you change the default route over SSH, deleting it first can lock you out if the new one fails. Use this instead:
sudo ip route replace default via 10.10.0.1 dev eth0
This safely swaps the route in one step. Always test in a screen or tmux session, and keep the DigitalOcean Console handy in case you need to fix it.
Check your current route with:
ip route show
Make sure your anchor IP matches what you expect. Once confirmed, make the change persistent in your network config so it stays after reboot.
Regards
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