IKEv2 VPN to break censor firewall, VPN WiFi router with 12 month VPN service | eBay
Setup Site-to-site IKEv2 IPsec VPN – Infra admin's blog
IKEv2 IPsec Virtual Private Networks: Understanding and Deploying IKEv2, IPsec VPNs, and FlexVPN in Cisco IOS | Cisco Press
Site-to-Site IKEv2 IPSec VPN using Pre-Shared Key Authentication - simple configuration example for two Cisco routers - NIL - Network Information Library