Bug ID 1080109: System reboot or link down/up transition causes packet loss.

Last Modified: Dec 07, 2023

Affected Product(s):
F5OS All(all modules)

Fixed In:
F5OS-A 1.1.0, F5OS-A 1.0.1

Opened: Feb 10, 2022

Severity: 3-Major

Symptoms

A reboot of the system or a link down/up transition can result in packet loss on the affected front-panel interface(s).

Impact

LACP LAGs can fail to form. Ingress traffic is not received by the tenants.

Conditions

A link down->up transition on a front panel interface or interfaces. Either initiated from the peer side or a system reboot.

Workaround

Reboot the system.

Fix Information

Change link down processing to not reset internal hardware state of front panel MACs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips