Bug ID 621422: i2000 and i4000 series appliances do not warn when an incorrect optic is in a port

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2

Opened: Oct 07, 2016
Severity: 2-Critical


A 1G optic is inserted in a port that only supports 10G optics, or a 10G optic is inserted in a port that only supports 1G optics. The invalid optic may show a link light, and no warning appears on the LCD.


User may not understand why optic is not working correctly


i2000 or i4000 platforms ports do not auto-negotiate between 1G and 10G optics. Ports are assigned to one or the other speed.


Move the optic to the correct port.

Fix Information


Behavior Change