Bug ID 1953273: Big3d high CPU with thousands of https monitors with SNI

Last Modified: Jun 28, 2025

Affected Product(s):
BIG-IP DNS, GTM, Link Controller, LTM(all modules)

Known Affected Versions:
16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Opened: May 21, 2025

Severity: 3-Major

Symptoms

Big3d high CPU utilization occurs

Impact

Big3d high CPU utilization

Conditions

Large volume of https monitors and monitored resources with SNI configured.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips