1. In a data processing system having a network bus, at least one component connected to a node on the network bus and a network manager connected to the network bus having a memory containing a look-up table, the component containing a non-changeable address which does not change upon reconfiguration of the network and the component being assigned a changeable address, a method for reconfiguring the network without disturbing the on-going traffic comprising the steps of: A. obtaining the non-changeable address and changeable address for the at least one component; B. placing the non-changeable address and changeable address for the at least one component in the look-up table; C. reconfiguring the network; D. determining the non-changeable address for the at least one component; E. examining in the look-up table the changeable address for the at least one component which corresponds to the non-changeable address; and F. assigning the at least one component with the address which corresponds to the changeable address in the look-up table.