https://www.paessler.com › Download_PRTG › 30_Day_Trial
赞助Monitor your entire LAN and WAN, devices, servers, bandwidth, availability, traffic, etc. PRTG uses SNMP, Packet Sniffing, NetFlow, and other flow protocols for monitoring your LAN
Hosted version available · 30 day trial - no limits · Made in Germany · Fully featured monitoring
Service catalog: Large IT Infrastructures, Storage Monitoring, Bandwidth Monitoring