关键词: 铁路通信, 开放最短路径优先协议, 虚拟路由冗余协议, 跨设备链路聚合

Abstract: This paper studies the station-level network requirements of Shenhua dispatching information system in order to ensure the operation of Shenhua dispatching information service while improving the station-level network performance. Through analyzing the technical requirements of network reliability, availability and security, this paper puts forward the station-level networking scheme of Shenhua dispatching information system to meet the business demands. Meanwhile, the station-level network scheme combines with the corporate-level and center-level network schemes to establish the whole Shenhua dispatching information system, in order to ensure the long-term and stable operation of the network.

Key words: railway communication, Open Shortest Path First protocol (OSPF), VRRP, M-LAG