需求:SW3的流量正常 SW1---FW1---SW1--R5故障SW2---FW2---SW2---R6SW4的流量正常SW2--FN2-SN2--RG故障SW1---FW1---SW1---R5创建vlan、生成树、VRRPsw3监控上行链路sw4sw5SW1-SW2VLAN 102 --- 10.10.2.0/24SW1-SW3VLAN 103 --- 10.10.3.0/24SW1-SW4VLAN 104 --- 10.10.4.0/24SW2-SW3VLAN 203 --- 10.20.3.0/24SW2-SW4VLAN 204 --- 10.20.4.0/24汇聚层sw3sw4VRF配置信息名称VRFRD 1001RT 1001sw1sw2sw1绑定VRFsw2sw1sw2修改cost抓取流量sw3sw4VRRP备份组1 --- VRRP备份组5VRRP备份组2 --- VRRP备份组6 --- 402VRRP备份组3 --- VRRP备份组7 --- 203VRRP备份组4 --- VRRP备份组8 --- 404VRRP备份组1VRF使用sw1为主sw2为备VLAN 401 --- 10.40.1.0/24sw110.40.1.1/24sw210.40.1.2/24虚拟IP10.40.1.100VRRP备份组5FW使用FW1为主FW2为备VLAN 401 --- 10.40.1.0/24sw110.40.1.10/24sw210.40.1.20/24虚拟IP10.40.1.200/24sw1sw2FW1会话快速备份功能心跳线FW2安全策略sw1sw2sw1sw2sw1-sw2vlan 201 --- 10.20.1.0/24sw1-r5vlan 105 --- 10.10.5.0/24sw2-r6vlan 206 --- 10.20.6.0/24r5-r610.56.0.0/24sw1sw2r5r6ISPsw1sw2