Bug ID 444387: iRule table operation on large data can crash tmm

Last Modified: Mar 14, 2021

Bug Tracker

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

Known Affected Versions:
11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5

Fixed In:
11.6.0, 11.5.2, 11.5.1 HF6

Opened: Jan 16, 2014
Severity: 3-Major
Related AskF5 Article:


When an iRule contains a table command which attempts to insert (set, add, replace subcommands) a large set of data (over 128k) and session mirroring is enabled, tmm will crash.


Traffic disrupted while tmm restarts.


A large table insert operation and session mirroring. Example: table set my_table $excessive_data


Revise iRule to avoid insert of large datum.

Fix Information


Behavior Change