- [ASA IKEv2 RA VPN With Windows or Android VPN Clients and Certificate Authentication Configuration](https://www.cisco.com/c/en/us/support/docs/security/adaptive-security-appliance-asa-software/213246-asa-ikev2-ra-vpn-with-windows-7-or-andro.html)
- [IPsec Troubleshooting: Understanding and Using debug Commands](https://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/5409-ipsec-debug-00.html)