Routing table updating method and device, data receiving and transmitting method and storage medium

The invention provides a routing table updating method. The method comprises the following steps: acquiring routing table information of a router; wherein the routing table information comprises a destination address, a first next hop routing address, the hop count of the destination address and the address of the router, the priority of a routing path configured for the router, and a first output interface; determining a forwarding information database according to the routing table information; wherein the forwarding information database comprises a destination address, a second output interface and a second next hop routing address; the second output interface is an optimal routing path interface through which the router is communicated with a next-hop router; the second next-hop routing address is determined according to the destination address and the second output interface; according to a second output interface of the forwarding information database, sending the forwarding information database of the