Bug ID 1330797: Interfaces removed from LACP trunk due to traffic congestion

Last Modified: Aug 01, 2024

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

Fixed In:
F5OS-A 1.7.0

Opened: Aug 16, 2023

Severity: 2-Critical

Symptoms

Interfaces repeatedly removed and added to a LACP LAG due to dropped LACP PDUs.

Impact

LACP PDUs dropped resulting in loss of LACP state.

Conditions

High traffic volume resulting in weighted-random-early-drop (WRED) being invoked.

Workaround

Reboot affected blade.

Fix Information

Modify LACP, STP and LLDP to use class-of-service 0 (highest priority) for PDUs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips