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

Last Modified: Oct 16, 2023

Affected Product(s):
BIG-IP MA-VE(all modules)

Known Affected Versions:
12.1.1, 12.1.2, 12.1.3,,,,,

Fixed In:

Opened: Jun 14, 2017

Severity: 3-Major


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.


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


AWS services are intermittently available.


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

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips