Bug ID 1489549: DOH query may fail after configuration changes are made while the control plane is disabled

Last Modified: Nov 29, 2025

Affected Product(s):
BIG_IP_NEXT(CNF) CNF(all modules)

Known Affected Versions:
1.2.1

Fixed In:
1.4.0

Opened: Jan 10, 2024

Severity: 2-Critical

Symptoms

If the serverIpProtocol configuration is changed to tcp while the control plane is not operational, subsequent DoH queries may be dropped as the DoH virtual server will have a status of EDENY.

Impact

DoH virtual server will have a status of EDENY and DoH queries can be dropped

Conditions

Control plane is not operational

Workaround

Do not change the serverIpProtocol configuration when the control plane is not operational

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips