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(Optional) Enabling Dependency Between IPSec SA and IKE SA During IKEv1 Negotiation
Context
By default, no dependency exists between IPSec SA and IKE SA, that is, the two SAs can be deleted separately. If the IKE SA is deleted but the corresponding IPSec SA still exists, traffic forwarding will be effected. You can enable dependency between IPSec SA and IKE SA to ensure that an IPSec SA is deleted when its corresponding IKE SA is deleted.