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

Forum Discussion

benmgood36's avatar
benmgood36
Icon for Nimbostratus rankNimbostratus
Feb 17, 2015

Certificate issues getting a cluster established

Forgive me for my ignorance as I'm brand new to F5...   I'm trying to set up a simple two-node failover cluster and I'm having nothing but problems. Here is my general process that I'm following: ...
application delivery
LTM
BinaryCanary_19's avatar
BinaryCanary_19
Historic F5 Account
Feb 17, 2015

After you add the peer as trusted, you also need to Create a Sync-Failover device group, and add both devices to it.

 

Make sure that the Failover checkbox is ticked on the device group.

 

benmgood36's avatar
benmgood36
Icon for Nimbostratus rankNimbostratus
Feb 18, 2015
If you proceed to creating the failover group, only the first device will get it. If you create it on both, both devices show the other as disconnected.