校园网内频繁发生的IP地址冲突、IP地址盗用、ARP欺骗等问题,严重影响了校园网络的稳定和安全并直接影响到学校正常的教学工作。本文详细介绍了IP地址冲突产生的原因、造成的危害,综合叙述了用技术手段和科学的管理方法相结合来预防和解决此类问题的方法。 Campus network frequent IP address conflicts, IP address theft, ARP spoofing and other issues, has seriously affected the stability and security of campus networks and directly affect the school’s normal teaching. This article describes in detail the causes of IP address conflicts and the harms they cause. It comprehensively describes ways to prevent and solve such problems by combining technical means with scientific management methods.