Bug ID 1061905: Adding peer unit into device trust changes the failover address family.

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,

Opened: Nov 16, 2021

Severity: 3-Major


In Device Management >> Devices >> [self device] > Failover Network. Address Family Mode resets back to "IPv4 & IPv6" instead of already set configuration i.e. IPv4 when a new peer unit is added.


Inconsistent configuration


-- Add a new device into the device trust. -- Set both devices to "IPv4". -- Join the devices in device trust.


Modify the address family to IPv4 manually after adding the peer.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips