Question 430
Two R82 gateways are planned to protect IPv6 networks over Site-to-Site IPsec. A legacy design document requests IKEv1 aggressive mode, although the protected flows use IPv6 on both ends. An alternate diagnosis concerns the requirement to analyze failures caused by inconsistent encryption algorithms, for which a colleague suggests compare phase settings, algorithms, and proposals on both peers. Based on the recorded symptoms, which corrective step should have priority?
Explanation
Correct Answer
R82 IPv6 VPN uses IKEv2. This directly addresses the documented incident evidence.
Incorrect Answers
Data associations still need matching selectors and permitted traffic, yet that applies to troubleshoot a stable VPN phase-one but no protected data rather than the observed issue.
Site-to-Site communities define gateway membership and tunnel policy; this does not resolve the observed condition.
Both IKE/IPsec peers must agree on compatible proposals, but the current evidence calls for a different R82 operation.