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Hierarchy Level

[edit security advance-policy-based-routing]


Configure the passive probe parameters with the SLA rule.

Passive probes measure the service quality of an application by inserting a custom probe header in the live traffic between the spoke and hub points and measuring the RTT, jitter and packet loss between the points of installation of the probes.

SLA violation is determined through passive probing of live application or application group traffic.


sampling-percentage percentage

Indicates the percentage of sessions that are selected for a book-ended SLA measurement.

Example: If 18 sessions are available for a particular application are available, and if you have configured 25%, then 25% of the 18 sessions—that is 5 sessions out of 18 sessions, are evaluated.

  • Range: 1-100

sampling-period period

Indicates a defined sampling period (in milliseconds) in which the number of violations are collected. Once this period is expired, the collected sampling data is purged and a new data is collected.

  • Range: 2000-60,000

  • Default: 5000 milliseconds


Indicates the type of probe measurement, only p-encap or book-ended supported.

Required Privilege Level

services—To view this statement in the configuration.

services-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 18.2R1.