For tech-savvy people, this 'Professional route-based Dual-WAN failover for Ethereum validator with failback' will help you to set up your server properly.

From now on, any update on Primestakepool's GitBook will be announced on Primestakepool's website's group 'News and Announcements' and on social media channels to inform interested visitors.

https://prime-stake-pool.gitbook.io/node-setup-guide/server-settings/dual-nic-wan-failover-setup/failover-script-updated#failover-script