Bug ID 1028269: Device using CGNAT + subscriber discovery license shows unknown for pem_subscriber-id.

Last Modified: Apr 21, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5, 16.1.0, 16.1.1, 16.1.2,

Fixed In:,

Opened: Jun 23, 2021
Severity: 2-Critical


On a BIG-IP device configured with CGNAT + subscriber discovery license, the LSN log shows "unknown" for the pem_subscriber-id field.


LSN log shows "unknown" for the pem_subscriber-id field.


-- PEM and CGNAT enabled -- RADIUS and CGNAT traffic are in different route domains



Fix Information

Subscriber-id now shows correctly in the LSN log after it is added with CGNAT provisioned check in subscriber-discovery.

Behavior Change