sampling

root@mx480-re0# set forwarding-options sampling ?
Possible completions:
+ apply-groups         Groups from which to inherit configuration data
+ apply-groups-except  Don't inherit configuration data from these groups
  disable              Disable global sampling instance
> family               Address family of packets to sample
> input                Traffic Sampling data acquisition
> instance             Instance of sampling parameters
> jflow-service        Jflow service configuration
  pre-rewrite-tos      Sample the packet retaining tos value before normalization
> route-record         Sampling route record configuration
  sample-once          Sample the packet for active-monitoring only once
> traceoptions         Traffic sampling trace options
{master}[edit]