Bug ID 1400557: Incorrect slot info may cause blade backplane link errors

Last Modified: Oct 19, 2025

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

Fixed In:
F5OS-C 1.8.0

Opened: Nov 21, 2023

Severity: 3-Major

Symptoms

In VELOS v1.7.1, the system controller relies on the slot width of each blade in order to configure the backplane portfor the blade. When the slot width is set to "1", the system controller configures for Bx110. If it is set to "2", system controller configures the BX520 blade. If the ConfD slot info is not available, the resulting backplane port configuration may be unsuitable for the blade occupying the given slot.

Impact

Blade will fail to send /receive traffic over the backplane.

Conditions

A Bx110 or Bx520 blade is present in the chassis.

Workaround

None

Fix Information

Blade backplane port link errors no longer observed when suitable slot info is present in system controller ConfD.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips