Bug ID 2251945: Allowed to attach destination address list to the Virtual Server with conflict IPs without error/warning

Last Modified: Apr 24, 2026

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

Known Affected Versions:
17.5.1.3, 17.5.1.4, 17.5.1.5

Opened: Mar 18, 2026

Severity: 3-Major

Symptoms

Destination address lists with conflicting IPs can be attached to a virtual server without error or warning.

Impact

It is allowed to have Destination address lists with conflicting IPs to be attached to a virtual server.

Conditions

- Create Destination address lists with conflicting IPs - Attach them to a virtual server

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips