以太网接入是实现宽带接入的主要方法之一。一个完整的宽带接入交换机软件系统应该包括交换机驱动程序、配置界面、应用程序和网络管理等部分。在接入交换设备中采用VLAN技术能够有效的利用带宽和增加数据的安全性。首先说明了接入交换机的体系结构,然后给出了交换机软件系统的整体框架,并着重讨论了宽带交换机软件系统各主要功能模块的设计与实现。 Ethernet access is one of the main ways to achieve broadband access. A complete broadband access switch software system should include the switch driver, configuration interface, application and network management and other parts. The use of VLAN technology in access switching equipment can effectively use the bandwidth and increase data security. First of all, the architecture of access switch is illustrated. Then the overall framework of the switch software system is given. The design and implementation of the main function modules of the software system of broadband switch are emphatically discussed.