According to one embodiment of the invention, a method for automatically mapping data flow is provided. The method includes receiving, over a path and at a digital subscriber line access multiplexer, a data cell from a party. The digital subscriber line access multiplexer has a database. The method also includes identifying the path and the party from the data cell. The method also includes determining that the database does not correlate the path and the party. The method also includes correlating the party with the path in the database in response to determining that the database does not correlate the path and the party.