Router, method for router, computer-readable medium and apparatus

A method for a router, comprising:

• acquiring a private network data packet from a private network, and attaching identification information to the private network data packet, the identification information indicating via which port of a plurality of ports of the router the private network data packet has been acquired;
• determining whether a bridge mode is set for the port indicated by the identification information of the private network data packet;
• in response to the determining that the bridge mode is set for the port indicated by the identification information of a first private network data packet acquired, assigning a public network IP address to the first private network data packet;
• and
• transmitting the first private network data packet by using the public network IP address.

A non-transitory computer-readable medium for use with a processor, the non-transitory computer-readable medium having stored thereon instructions that, when executed by the processor, implement at least the following:

• acquiring a private network data packet from a private network, and attaching identification information to the private network data packet, the identification information indicating via which port of a plurality of ports of a router the private network data packet has been acquired;
• determining whether a bridge mode is set for the port indicated by the identification information of the private network data packet;
• in response to the determining that the bridge mode is set for the port indicated by the identification information of a first private network data packet acquired, assigning a public network IP address to the first private network data packet;
• and
• transmitting the first private network data packet by using the public network IP address.