Manual Chapter : Dropped UDP datagrams

Applies To:

  • BIG-IP LTM

    21.0.0, 17.5.1, 17.5.0, 17.1.3, 17.1.2, 17.1.1, 17.1.0, 17.0.0, 16.1.6, 16.1.5, 16.1.4, 16.1.3, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0

Updated Date: 07/07/2026

Dropped UDP datagrams

Dropped UDP datagrams have been observed at very low traffic rates (100 calls per second). One cause has been MPI latency. Try making sure the ‘scheduler.hsbpollpode.ltm’ db var is set to “always”. This has been show to reduce the MPI call latency.