Bug ID 574262: Rarely encountered lockup for N3FIPS module when processing key management requests.

Last Modified: Aug 19, 2026

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

Known Affected Versions:
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, 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: Feb 17, 2016

Severity: 3-Major

Symptoms

The N3FIPS module does not respond to key management requests.

Impact

Existing data continues to forward, but new traffic keys fail. MGMT locks up. This is a rarely encountered issue.

Conditions

No specific condition has been identified for this failure.

Workaround

A SNMP trap is generated when N3FIPS is locked up. The trap informs the user that the BIG-IP system must be rebooted. Rebooting clears the condition.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips