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Master能不能不通过扫描获取广播数据包，有其他方法吗？
yuhong,
好问题。
答案是，没办法。
这么说吧，广播呢，就是你对大家喊话；扫描呢就，就是你在听有没有人讲话。从机向大家喊话，你主机不听，怎么知道人家说的是啥；你说呢？
