Bug ID 591789: IPv4 fragments are dropped when packet filtering is enabled.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
11.6.1 HF2, 11.5.4 HF3

Opened: May 06, 2016

Severity: 3-Major

Related Article: K67934253

Symptoms

IPv4 fragments are dropped when packet filtering is enabled.

Impact

IPv4 fragments with a non-zero offset are lost.

Conditions

Packet filtering is enabled on version 11.5.4, 11.6.0 HF6, or 11.6.1.

Workaround

Disable packet filtering.

Fix Information

IPv4 fragments are no longer incorrectly dropped when packet filtering is enabled.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips