Bug ID 635584: BIG-IQ setup wizard fails with "Cannot delete IP X.X.X.X because it would leave a route unreachable"

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IQ Fraud Protection Service (FPS)(all modules)

Known Affected Versions:
5.2.0

Opened: Dec 22, 2016

Severity: 3-Major

Symptoms

BIG-IQ setup wizard fails to configure management address with error "Cannot delete IP X.X.X.X because it would leave a route unreachable".

Impact

As a result, system setup cannot be completed.

Conditions

This issue is applicable when trunking used for VLANs not named internal. The BIG-IQ UI does not support configuring trunks, but such configuration can be created via other means (e.g. tmsh).

Workaround

BIG-IQ system setup should be completed prior to creating trunks on new installations. For upgrade scenarios, the network configuration has to be removed so that system setup can be completed, after which the network configuration can be restored.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips