Fortinet
FCSS_NST_SE-7.6 · Question #92
Which exchanges are the first two exchanges in IKEv2 negotiation?
The correct answer is B. IKE SA_INIT and IKE_Auth. The first IKEv2 exchange is the SA_INIT, where algorithms, nonces, and Diffie‑Hellman values are negotiated. The second is the AUTH exchange, which carries peer authentication and completes the IKE SA setup.
Resolve IPsec VPN Issues
Question
Which exchanges are the first two exchanges in IKEv2 negotiation?
Options
- AINIT_Req and Auth_Request
- BIKE SA_INIT and IKE_Auth
- CKey Exchange and Authentication
- DInit_Req and Wait_Init_Req
How the community answered
(32 responses)- A3% (1)
- B88% (28)
- C3% (1)
- D6% (2)
Explanation
The first IKEv2 exchange is the SA_INIT, where algorithms, nonces, and Diffie‑Hellman values are negotiated. The second is the AUTH exchange, which carries peer authentication and completes the IKE SA setup.
Topics
#IKEv2#IKE_SA_INIT#IKE_AUTH#VPN negotiation
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