Bug ID 1668017: Cannot add new VLANs to existing HA L1 Network

Last Modified: Oct 19, 2025

Affected Product(s):
BIG_IP_NEXT(CM) TMOS(all modules)

Known Affected Versions:
20.3.0

Opened: Sep 11, 2024

Severity: 2-Critical

Symptoms

The L1 Network of an HA that contains the control and data plane VLANs cannot be edited.

Impact

-- You cannot edit the L1 network containing the control and data plane VLANs -- you are unable to add/remove VLANs or self IPs that are in that network

Conditions

The HA L1 Network that is being edited uses control and data plane VLANs

Workaround

Create another L1 network and add the new VLAN to that new L1

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips