Bug ID 669268: Failover in the same availability zone of AWS may fail when AWS services are intermittently available.

Last Modified: Jun 30, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP VE(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5

Fixed In:
14.0.0, 12.1.3.6

Opened: Jun 14, 2017
Severity: 3-Major

Symptoms

Intermittently available AWS services may lead to failure of curl requests to AWS or ec2 tools commands, resulting in failure of failover. As a result, public EIPs (for virtual servers) might remain pointing to the standby BIG-IP system.

Impact

Failure of failover. Traffic will be routed to the standby BIG-IP system and lost.

Conditions

AWS services are intermittently available.

Workaround

Manually fail the systems over till failover succeeds at the desired BIG-IP system.

Fix Information

None

Behavior Change