对MSTP 与VRRP 协议原理进行深入了解的前提下，通过冗余配置接入交换机、路由器与通信线路，消除或者 减轻了互联网单点故障，同时创建了可靠、稳定及高速的互联网传输系统，保证了企业网的可靠性与安全性。

On the premise of in-depth understanding of MSTP and VRRP protocol, the system can eliminate or reduce the single point of the Internet, and create a reliable, stable and high speed internet transmission system, which ensures the reliability and security of the enterprise network.