Bug ID 1321593: Peer controller compatibility verification failed

Last Modified: May 29, 2024

Affected Product(s):
F5OS Install/Upgrade(all modules)

Known Affected Versions:
F5OS-C 1.6.0, F5OS-C 1.6.1, F5OS-C 1.6.2

Opened: Jul 18, 2023

Severity: 1-Blocking


During a downgrade of the chassis from 1.6.0 to 1.5.1, the partition downgrade will succeed, but the controller downgrade may show a message indicating that compatibility verification failed. This is due to missing certain firewall rules in the controllers.


Intermittently in downgrades.


Intermittently in downgrades, controller configuration indicates that compatibility verification failed.


1. Restart the iptables-config.service in both controllers $ systemctl restart iptables-config.service 2. Reboot the chassis

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips