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交换式以太网为更好地实现大型局域网的安全提供了技术基础。该文参照OSI模型,结合交换式以太网的技术特点,分别论述了实现交换式以太网物理层、链路层和网络层安全的设计方法。并通过应用这些方法,成功地实现一个安全可靠的大型企业网。
Switched Ethernet provides a technical foundation for better security of large LANs. With reference to the OSI model and the technical characteristics of switched Ethernet, this paper discusses the design methods for implementing the security of switched Ethernet physical layer, link layer and network layer respectively. And through the application of these methods, the successful realization of a safe and reliable large enterprise network.