Bug ID 434557: AAM should call assembler only on cacheable response codes.

Last Modified: Jan 07, 2026

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

Known Affected Versions:
11.5.1, 11.5.1 HF1, 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, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Opened: Oct 18, 2013

Severity: 3-Major

Related Article: K37137992

Symptoms

AAM should call assembler only on configured cacheable response codes and not all. In case of response codes such as 206, the assembler is incorrectly called.

Impact

Assembly is incorrectly called thereby potentially resetting the connection.

Conditions

AAM assembly optimization feature configured and non-cacheable response code is received.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips