Method and device for session border controller to bear multi-region service

The invention discloses a method and device for a session border controller to bear multi-region services, and the method comprises the steps: starting a physical port of a session border controller server, and configuring the information of the physical port; creating an Ethernet main interface and creating sub-interfaces corresponding to the regions based on the main interface; creating virtual routing forwarding, and establishing a binding relationship between the virtual routing forwarding and the sub-interface; and configuring the address of the sub-interface, so that the session boundary controller realizes service communication of each region based on the address of the sub-interface. According to the invention, by establishing the binding relationship between the sub-interface and the virtual routing forwarding, the interface is virtualized, so that multiple regions can respectively and independently access the session boundary controller, and the sub-interface of each region is configured with an ind