Last Modified: Nov 07, 2022
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
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.