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Priority

Priority allows better (more secure) policies to be given preference during the negotiation process. However, every IKE policy is considered secure enough to secure the IKE SA flow.

During IKE negotiation, all policies are scanned, one at a time, starting from the highest-priority policy and ending with the lowest-priority policy. The first policy that the peer security gateway accepts is used for that IKE session. This procedure is repeated for every IKE session that needs to be established.

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