Provided are a method of monitoring a network driving apparatus provided in a network and a system thereof.The present invention provides a network monitoring method that performs monitoring which does not hinder existing network availability through a means for detouring a path of a packet transferred to a monitoring target apparatus by using one or more servers and clients connected to a network and further, provides extensibility which can be applied to the network using various communication protocols through a protocol converting means that detours the path of the packet after converting the existing protocol into a TCP/IP protocol.