UFD or Uplink Failure Detection

Explain:

https://www.juniper.net/documentation/en_US/junos/topics/concept/uplink-failure-detection-qfx-series.html

Configuration:

https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/uplink-failure-detection-qfx-series.html

{master:0}[edit protocols uplink-failure-detection]
root@acx5k-1# show | display set
set protocols uplink-failure-detection group ufd-mygroup link-to-monitor xe-0/0/46
set protocols uplink-failure-detection group ufd-mygroup link-to-disable xe-0/0/44