A technology is disclosed for efficiently managing the peer relationship, and in particular for allowing to discover which of one or more communication links of the network entity is connected to the same network entity. According to this technology, for example, the ID Controller (202) of the network entity (201) generates a unique identifier for the network entity from all the physical address on its multiple interfaces. The peer relationship controller (203) verifies if the generated unique identifier is overlapping with that of another network entity. The link control logic (205), upon sending a message to the network entity associated with the unique identifier, determines correspondence of the unique identifier with the peer network entity to interchangeably use the communication links (link 1 (211) to link n (213)).