Bug ID 529414: PEM: After Diameter Fatal-Grace time expiry, Some subscriber sessions might be deleted very soon

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP PEM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Fixed In:
12.1.0, 11.6.0 HF6

Opened: Jun 23, 2015
Severity: 3-Major

Symptoms

Some subscriber sessions getting deleted as soon they are created even if there is no trigger to delete these sessions

Impact

Subscribers traffic is not policed as the corresponding sessions are deleted as soon as they are created.

Conditions

Fatal-grace time too low and PCRF connection going down for a long period of time and then coming up later.

Workaround

Make sure Fatal-grace timer is disabled.

Fix Information

Issue is fixed now. Fatal Grace time expiry will not cause sessions to be deleted as soon as they are created.

Behavior Change