Bug ID 644725: Configuration changes while removing ASM from the virtual server may cause graceful ASM restart

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP ASM(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, 12.1.3.6

Fixed In:
13.1.0, 12.1.3.7

Opened: Feb 13, 2017

Severity: 3-Major

Related Article: K01914292

Symptoms

Configuration changes while removing ASM from the virtual server may cause graceful ASM restart.

Impact

ASM restarts. The system goes offline. A failover may happen.

Conditions

A reconfiguration / headers configuration happens while the ASM is removed from a VIP. This may happen especially in scripts that create a config or remove a config.

Workaround

Ensure that there is some time between setting a configuration to removing ASM from the VIP.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips