Bug ID 1574861: Incomplete API payload and CLI failure for openconfig interfaces when one controller node is not ready

Last Modified: Jun 19, 2025

Affected Product(s):
F5OS F5OS-C(all modules)

Known Affected Versions:
F5OS-C 1.6.2

Fixed In:
F5OS-C 1.8.1

Opened: Apr 01, 2024

Severity: 3-Major

Symptoms

When one of the system controller nodes transitions to a "NotReady" state: The OpenConfig Interfaces API (/openconfig-interfaces:interfaces) returns incomplete or "unfinished chunk" payloads. CLI commands such as 'show interfaces' fail, displaying an "application communication failure" error.

Impact

API users may experience incomplete data responses. Users might be temporarily unable to retrieve interface data from the CLI.

Conditions

The problem might occur when one of the system controllers is not available.

Workaround

Minimize scenarios where one controller is not available.

Fix Information

Modified the callpoint registration to ensure reliable data retrieval even when one of the system controllers is unavailable.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips