Bug ID 544028: Verified Accept counter 'verified_accept_connections' might underflow.

Last Modified: Feb 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP All(all modules)

Known Affected Versions:
10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 12.0.0, 12.0.0 HF1, 12.0.0 HF2

Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4

Opened: Sep 04, 2015
Severity: 3-Major
Related AskF5 Article:
K21131221

Symptoms

Verified Accept counter 'verified_accept_connections' might underflow.

Impact

When the counter underflows, new connections on any verified-accept enabled virtual server are dropped. The counter will never recover.

Conditions

When the verified accept setting on a TCP profile is changed for an active virtual server.

Workaround

Avoid changing the verified accept setting on a TCP profile for an active virtual server.

Fix Information

This release corrects the issue in which the Verified Accept counter 'verified_accept_connections' might underflow.

Behavior Change