Active Wall Traffic Monitor is a free real time network traffic monitor software for LAN. It has great performance, can monitor more than 1,000 computers at the same time. And it is stable and secure for 24X7 running. It displays IP address, MAC address, computer name, send/receive speed, send/receive packets, send/receive bytes of each computer in real time. It provides tcp/udp/icmp/igmp packets, tcp/udp/icmp/igmp bytes traffic statistics and show net flow in real time. It can export daily traffic statistics of each computer automatically. All these functions are free. Active Wall Traffic Monitor includes Show Flux plugin.