BugZero | F5 BugID 920205 - Rate shaping might suppress TCP RST

F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Overall: 6.7

Severity: 7.3

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Local Traffic Manager

Description

Symptoms

When rate shaping is configured, the system might suppress TCP RSTs issued by itself.

Impact

The rate-shaping instance drops TCP RSTs; the endpoint is not informed about the ungraceful shutdown.

Conditions

Rate shaping is configured.

Workaround

Do not use rate-shaping.

Fix Information

TCP RSTs are no longer dropped by the rate-shaping instance.

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Fixed versions: 16.1.0, 15.1.9

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 16.1.0, 15.1.9

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F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

F5 - Defect ID: 920205

Rate shaping might suppress TCP RST

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.7 Medium

BugZero Risk Score
6.7 Medium