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

Forum Discussion

insomniak_11745's avatar
insomniak_11745
Icon for Nimbostratus rankNimbostratus
Oct 22, 2014

BIG-IP 11.3.0 --> 11.6.0 Upgrade Failover Woes

Hello all, During an upgrade of 11.3.0 to 11.6.0 I experienced issues when failing over to the standby device to upgrade the active. The devices are in an active-standby configuration, but not con...
application delivery
LTM
management
TMOS
JG's avatar
JG
Icon for Cumulonimbus rankCumulonimbus
Oct 22, 2014
How did you get out of the loop? "tmsh run /sys failover offline" on the old active?