https://www.paessler.com/Download_PRTG/30_Day_Trial
赞助PRTG collects and analyzes network data across virtualized applications and servers. PRTG comes with preconfigured and specially-designed sensors for virtual environments.
Integrated Ticket System · Trusted by 500,000 admins · Easy and fast setup
Service catalog: Network Monitoring, Bandwidth Monitoring, Server Monitoring