method
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... 1. IKEv2 supports legacy authentication methods by carrying them in
Extensible Authentication Protocol (EAP ...
... o IKEv2 can authenticate the peer by several methods. Pre-shared
key and X.509 certificate-based authentication ...
...
First, we describe the different tunnel mode implementation methods.
We note that, in this context, only the so-called Specific SPD ...
... A.1. Tunnel Mode Implementation Methods ...
... anycast address.
o Using other, unspecified or proprietary methods.
For the purpose of this document, it is assumed that this address ...