These network switches will `` learn '' the layout of the network by `` listening '' on each port during normal data transmission , examining the data packets and recording the address/identifier of each connected node and which port it is connected to in a lookup table held in memory .
These network switches will `` learn '' the layout of the network by `` listening '' on each port during normal data transmission , examining the data packets and recording the address/identifier of each connected node and which port it 's connected to in a lookup table held in memory .