Assume 4 LANs are connected by bridges as shown below figure and mac address table at each bridge is initially empty. Use following table to show updated mac address table.

 

At bridge 1: At bridge 2: At bridge 3: LANI B Port Number Port 1 Port 2 Port Number Port 1 Port 2 Port Number Port 1 Port 2 Port 1 Bridgel LAN2 MAC MAC MAC D Port 2 LAN3 Port I Bridge2 E Port Port 2 F Bridge3 Port 2 LAN4 H