F5 is upgrading its customer support chat feature on My.F5.com. Chat support will be unavailable from 6am-10am PST on 1/20/26. Refer to K000159584 for details.

Forum Discussion

b31_133250's avatar
b31_133250
Icon for Nimbostratus rankNimbostratus
Feb 15, 2018

active/stanby cluster disconnected after Update

I have two new F5 BIG IPs with 12.1.2 HF2 installed, these two devices are running active/standby (same device trust configuration like the old ones with 11.6.2 HF1).   While Upgrading from 12.1.2...
12.1.2
13.0.0
13.1.0
BIG-IP
devops
LTM
update
upgrade
amintej's avatar
amintej
Icon for Cirrus rankCirrus
Feb 15, 2018

Yes, I had the same issue. The cluster is disconnected, you can't sync configuration between both units but HA is working and you can make a unit STANDBY or viceversa.