https://www.paessler.com › Download_PRTG › PRTG_Freeware
赞助PRTG monitors network traffic, data packets and filters by IPs, protocols, and data types. PRTG uses SNMP, packet sniffing, WMI, NetFlow and offers more than 200 sensor types.
ISO 9001 Certified · Support Availability 24/7 · 30 day trial - no limits
Service catalog: Large IT Infrastructures, Storage Monitoring, Bandwidth Monitoring