Bug ID 840809: If "lsn-legacy-mode" is set to disabled, then LSN_PB_UPDATE events are not logged

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP AFM(all modules)

Known Affected Versions:
14.1.3,, 15.1.0,,,,,, 15.1.1

Fixed In:
16.0.0, 15.1.2, 14.1.4

Opened: Oct 18, 2019

Severity: 3-Major


When subscriber info changes, the log events for LSN_PB_UPDATE are not logged.


LSN_PB_UPDATE are not logged.


If subscriber info changes, for example, if a client is sending a radius message with IMSI A - LSN_PB_UPDATE logs are observed. And later when the IMSI is changed to B and another radius message is sent from the client, then LSN_PB_UPDATE log events are not observed.



Fix Information

Fix will send LSN_PB_UPDATE even if subscriber info is changed

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips