一种实现堆叠网络交换机快速切换控制的方法

A Method for Realizing Fast Switching Control of Stacked Network Switch

随着测控通信技术和计算机网络技术的发展,卫星地面站都不同程度地使用千兆网核心交换机建立系统监控及业务数据网络传输,实现了测控终端设备的无人值守和远程监控,设备控制的可靠性与稳定性大大提高。但是,当主用交换机出现故障时,即使备用交换机是堆叠放置且处于热备份,交换机网络端口的物理通路仍需人工进行插拔完成切换操作,当交换机网络端口数量较多时,人工切换操作时间较长,时效性不高,在任务用时占用比例较大,制约了卫星地面站系统的应用效率。针对以上问题,提出了一种采用继电器机电设备实现主备交换机网络端口的物理切换控制方法,进行了网络切换器的设计和可靠性分析,给出了应用实例。实验测试结果表明,这种物理切换控制方法使得主备交换机网络端口的切换效率提高百倍。

With the rapid development of communication technology and computer network technology,the satellite ground stations use gigabit network core switch in different extent to establish monitoring systems and business data transmission network,realize the unattended and remote monitoring modes for monitoring terminal equipment,and the reliability and stability of equipment control are significantly improved.However,when the main switch fails,even if the standby switch is placed in the stack and hot backup,the physical channel switch network port is still needed to manually complete switch plug; some factors restrict the application efficiency of satellite ground station system,such as multiple network switch ports,longer manual switching operation time,higher timeliness and higher proportion of task time occupation.To solve the above problems,this paper puts forward a kind of physical switching and control method,which adopts relay electrical equipment to realize primary and standby switch network port. The design and reliability analysis for network switch is performed,and an application example is given. The test results show that this physical switching and control method can significantly improve the switching efficiency of the primary and standby switch network port.