BGP与BFD联动

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1、配置BGP与BFD联动1.组网需求l在AS100内使用OSPF作为IGP协议；lRouterA与RouterB建立IBGP连接并使能BFD；lRouterA和RouterC之间的链路发生故障后，BFD能够快速检测并通告BGP协议。2.组网图图1-27BGP与BFD联动配置组网图3.配置步骤(1)配置各接口的IP地址（略）(2)配置OSPF（略）(3)配置BGP连接#配置RouterA。[RouterA]bgp100[RouterA-bgp]peer192.168.0.100as-number100[RouterA-bgp]peer192.168.0.100bfd#配置Rou

2、terB。system-view[RouterB]bgp100[RouterB-bgp]peer192.168.0.102as-number100[RouterB-bgp]peer192.168.0.102bfd(4)配置各路由器接口及BFD参数#配置RouterA。system-view[RouterA]bfdsessioninit-modeactive[RouterA]interfaceethernet1/1[RouterA-Ethernet1/1]ipaddress192.168.0.10224[RouterA-Ethernet1/

3、1]bfdmin-transmit-interval500[RouterA-Ethernet1/1]bfdmin-receive-interval500[RouterA-Ethernet1/1]bfddetect-multiplier7[RouterA-Ethernet1/1]bfdauthentication-modesimple1zhang[RouterA-Ethernet1/1]quit#配置RouterB。system-view[RouterB]bfdsessioninit-modeactive[RouterB]interfaceethernet1

4、/1[RouterB-Ethernet1/1]ipaddress192.168.0.10024[RouterB-Ethernet1/1]bfdmin-transmit-interval500[RouterB-Ethernet1/1]bfdmin-receive-interval500[RouterB-Ethernet1/1]bfddetect-multiplier6[RouterB-Ethernet1/1]bfdauthentication-modesimple1zhang[RouterB-Ethernet1/1]quit(5)检查配置结果#显示RouterA的BFD邻居详

5、细信息。[RouterA]displaybfdinterfaceverboseTotalInterfaceNum:1Interface:Ethernet1/1SessionNum:1MinTransInter:300msMinRecvInter:300msDetectMult:6MinEchoRecvInter:300msAuthmode:SimpleLD/RDSourceAddrDestAddrConnTypeStateMode7/7192.168.0.100192.168.0.102DirectUpCtrl#RouterA和RouterB之间的链路发生故障后，使用dis

6、playbfdinterfaceverbose命令查看Ethernet1/1接口下会话信息被删除。[RouterA]displaybfdinterfaceverboseTotalInterfaceNum:1Interface:Ethernet1/1SessionNum:0MinTransInter:400msMinRecvInter:400msDetectMult:8MinEchoRecvInter:400msAuthmode:Simple