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Support for Two-Way Active Measurement Protocol (TWAMP) and hardware timestamping of RPM probe messages (EX9200 line of switches)—Starting in Release 24.1R1, Junos OS supports TWAMP and hardware timestamping of real-time performance monitoring (RPM) probe messages on the EX9200 line of switches.

You can use TWAMP to measure IP performance between two devices in a network. By enabling hardware timestamping of RPM, you can account for the latency in the communication of probe messages and also generate more accurate timers in the Packet Forwarding Engine.

[See Understand Two-Way Active Measurement Protocol and Understanding Using Probes for Real-Time Performance Monitoring on M, T, PTX, and MX Series Routers and QFX Switches .]