https://www.paessler.com/Download_PRTG/30_Day_Trial
广告PRTG monitors network traffic, data packets and filters by IPs, protocols, and data types. SNMP, packet sniffing, WMI, NetFlow etc. More than 200 predefined sensors. All-in-one.
30 day trial - no limits · ISO 9001 Certified · Easy and fast setup
Types: PRTG Network Monitor, PRTG Enterprise Monitor, PRTG Hosted Monitor