BFD在VRRP中的应用及实验设计与仿真  

Design and simulation of experiment for application of BFD in VRRP

作　　者：谭志勇 郭笑雨 顾家铭[1] TAN Zhiyong;GUO Xiaoyu;GU Jiaming(Department of Information Technology,Wuhan Vocational College of Software and Engineering(Wuhan Open University),Wuhan 430033,China)

机构地区：[1]武汉软件工程职业学院(武汉开放大学)信息化部,湖北武汉430033

出　　处：《湖北师范大学学报（自然科学版）》2024年第4期26-32,共7页Journal of Hubei Normal University：Natural Science

基　　金：湖北省中华职业教育社课题研究项目(HBZJ2023503)。

摘　　要：VRRP是一种在各类业务场景的网络中都得到广泛应用的容错协议,可有效提高网关路由设备的可靠性。但因VRRP的主备切换需要一定时间,仅使用VRRP仍会出现网络流量丢失。为此,可将BFD应用于VRRP中,当BFD检测到链路故障时立即通知VRRP进行主备切换。在分析VRRP和BFD技术原理的基础上,基于eNSP来设计BFD在VRRP中应用的仿真实验,并给出了详细的实验步骤。仿真实验结果表明,相较于仅使用VRRP,将BFD应用于VRRP中可以实现主备快速切换,大大减少因切换导致的网络流量丢失,进一步提高网络的可靠性。VRRP is a fault-tolerant protocol widely used in various scenarios,which can effectively improve the reliability of gateway routing devices.However,as VRRP requires a certain amount of time to transition from Backup to Master,using VRRP alone will result in traffic loss.For this reason,this paper applies BFD in VRRP,and when BFD detects the link failure between Master and Backup,it will immediately notify VRRP to transition from Backup to Master.By analyzing principles of VRRP and BFD,this paper designed a simulation experiment for the application of BFD in VRRP based on eNSP,and provides detailed experimental steps.The simulation experiment results show that compared to only using VRRP,applying BFD in VRRP can provide rapid transition from Backup to Master,which greatly reduces traffic loss caused by transitioning and further improves the network reliability.

关 键 词：可靠性 VRRP BFD eNSP 仿真实验 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]