For the first exchange step, IKE uses ID protect exchange (main exchange mode), and formulates wild exchange (wild exchange mode) method according to basic ISAKMP documentation.

• 对阶段1 交换,IKE 采用的是身份保护交换(“主模式”交换),以及根据基本ISAKMP 文档制订的“野蛮模式”交换;