Bug ID 667114: TCP flows going through the IP forwarding and L2 forwarding virtual server might get very low bandwidth.

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
12.1.2, 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, 13.0.1

Fixed In:
13.1.0

Opened: May 30, 2017

Severity: 2-Critical

Related Article: K32622880

Symptoms

TCP flows going through the IP forwarding and L2 forwarding virtual server might get very low bandwidth.

Impact

Lower throughput than expected.

Conditions

-- BWC policy applied. -- TCP traffic passes through the IP forwarding or L2 forwarding virtual server.

Workaround

When using BWC, use a proxy virtual server instead of IP forwarding or L2 forwarding virtual servers.

Fix Information

TCP flows going through the IP forwarding and L2 forwarding virtual server no longer affect bandwidth.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips