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本文简要说明了3Com核心交换机的优点之后,介绍了北京海关利用3Com核心交换机建立的安全、高速的虚拟局域网(VLAN),分别讨论了虚拟网络中路由功能的实现和多播的实现。
After briefly describing the advantages of 3Com core switches, this paper introduces the secure and high speed virtual local area network (VLAN) established by Beijing Customs using 3Com core switches and discusses the implementation of routing functions and multicast in virtual networks.