Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2
Fixed In:
13.0.0, 12.1.2
Opened: Apr 06, 2016 Severity: 2-Critical Related Article:
K23390685
The failover daemon (sod) may core during an upgrade, when the peer device upgrade completes and rejoins the trust.
Corefile generated, and system will temporarily go offline, resulting in an interruption of service.
Upgrading a high availability configuration from 10.x to 12.x or later.
Upgrade multiple devices in the high availability configuration from 10.x to a supported 11.x release, and then upgrade to the desired 12.x release.
The failover daemon (sod) no longer cores during an upgrade, when the peer device upgrade completes and rejoins the trust.