AN APPARATUS CONNECTED MULTI IP BROADBAND LINE AND FALLBACK METHOD THEREOF

摘要

This invention aims to provide an apparatus supporting a plurality of broadband communication lines and fallback routing method thereof which supports Internet access with no disconnection while disconnecting and switching to one communication line available among a plurality of communication lines according to line condition. This present invention in order to achieve said purpose enables functions such as connecting user computer to one primary communication line among a plurality of communication lines, implementing periodical ping test to said every communication line, and disconnecting the connection between said user computer and said primary communication line when the response of primary communication line gets downed, or slower than the criteria according to the result of ping test, connecting one backup communication line of remaining communication lines except said primary line which have Internet accessibility to said user computer, implementing periodical ping test to said every communication line, and disconnecting said user computer with . backup communication line, when the ping test of primary communication line recovers it's normal state, connecting said primary communication line to said user computer agam.