SNMP traffic monitor
PRTG Network Monitor enables you to log and monitor data flowing in and out of any SNMP enabled network device, like routers, switches, firewalls and others. It provides a graphical interface with real-time charts and long term statistical reports covering daily and monthly periods. It also provides an option to generate interactive HTML reports. The version you are downloading is a featured limited, free version, that can be used with up to 3 devices. It has some features disabled and a nag screen, but does not expire.
