Last Modified: Oct 19, 2025
Affected Product(s):
F5OS (all modules)
Fixed In:
F5OS-C 1.8.1
Opened: May 15, 2024 Severity: 2-Critical
The 100G-LR and 100G-LR4 optics can fail to link on bringup.
The link is down and can't be used. The link needs to be reset. Reboot or reload the FPGA to re-initialize the front panel link.
No known special conditions. This issue can happen when the link is initially brought up.
A fix for this issue is in F5OS-C-1.8.1 EHF2 and newer. The fix for this issue is also included in F5OS-C-2.0.0.
Data was being transmitted before the optic had finished its power-up. Fix was to modify the SDK to check optic interrupts and wait until all interrupts are clear before proceeding with RX initialization.