Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Carlo_Alviar_35's avatar
Carlo_Alviar_35
Icon for Nimbostratus rankNimbostratus
Jun 12, 2018

Why we encountered a IP conflict in the HA Configuration?

We configured two BigIP2600 to have a HA configuration, we setup one of the interface to communicate to one another as point-to-point or direct LAN connection for the config-sync. This interface didn...
application delivery
LTM
VernonWells's avatar
VernonWells
Icon for Employee rankEmployee
Jun 13, 2018

A bit more information may be helpful. Can you include the output from the following:

tmsh list cm device-group all-properties
tmsh list net vlan all-properties
tmsh list net self all-properties

Placing two BIG-IPs in an HA A/S configuration (more properly speaking, creating a DSC with two members in a Failover group for a single floating Traffic-Group) should not, by itself, create IP conflicts. Naturally, you must not define the same non-floating self-IP on both units.