[Routing control / floating static route] R1 is disposed on the floating static route 192.168.2.0 network, with a weight of 119, take the path requirements R1-R4-R3
R1(config)#ip route 192.168.2.0 255.255.255.0 f0/0 119
Note: Because the previous configuration is RIPv2, a default weight is 120