Sets the authentication method for the remote identity.
- SNMP ID:
 - 2.19.36.3.3.2
 - Console path:
 - Setup > VPN > IKEv2 > Auth > Addit.-Remote-IDs
 - Possible values:
 - RSA-Signature
 - Authentication by RSA signature.
 - PSK
 - Authentication by pre-shared key (PSK).
 - Digital signature
 - Use of configurable authentication methods with digital certificates as per RFC 7427.
 - ECDSA-256
 - Elliptic Curve Digital Signature Algorithm (ECDSA) according to RFC 4754 with SHA-256 on the P-256 curve.
 - ECDSA-384
 - Elliptic Curve Digital Signature Algorithm (ECDSA) according to RFC 4754 with SHA-384 on the P-384 curve.
 - ECDSA-521
 - Elliptic Curve Digital Signature Algorithm (ECDSA) according to RFC 4754 with SHA-512 on the P-521 curve.
 
- Default:
 - PSK