Bug ID 621870: Outage may occur with VIP-VIP configurations

Last Modified: Jul 18, 2026

Affected Product(s):
BIG-IP All(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, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.0.0, 13.0.0 hf1, 13.0.0 hf2, 13.0.0 hf3

Fixed In:
13.1.0, 13.0.1

Opened: Oct 11, 2016

Severity: 2-Critical

Symptoms

In some VIP-VIP configurations, a system outage may occur while processing traffic.

Impact

System outage

Conditions

VIP-VIP configuration

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips