Bug ID 2077569: Transparent DNS monitors incorrectly marks the status of a pool as offline

Last Modified: Nov 25, 2025

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

Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3

Opened: Sep 24, 2025

Severity: 4-Minor

Symptoms

Pools being monitored with a transparent DNS monitor will appear to be offline, regardless of the response

Impact

The pool is marked offline

Conditions

1. A transparent DNS monitor is created 2. This created transparent DNS monitor is used to monitor the health of a pool

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips