Bug ID 551612: BIG-IP SSL does not support sending multiple certificate verification requests to the hardware accelerator at the same time in 11.6.0.

Last Modified: Aug 19, 2026

Affected Product(s):
BIG-IP LTM(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, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 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

Opened: Oct 09, 2015

Severity: 3-Major

Symptoms

When SSL sends multiple certificate verification requests at the same time, the handshake is disconnected with 'bad certificate'.

Impact

BIG-IP SSL does not support this case and the SSL handshake is disconnected with "bad certificate".

Conditions

SSL simultaneously sends multiple certificate verification requests.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips