Bug ID 427736: TMM crash during sFlow sampling of HTTP traffic

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF6, 11.4.0 HF4

Opened: Aug 12, 2013

Severity: 3-Major

Related Article: K14670

Symptoms

With sFlow sampling for HTTP enabled, TMM might crash with assert messages. Messages posted appear similar to the following: '../modules/hudfilter/http/http_sflow.c:307: %; len is valid%s'

Impact

Traffic disrupted while tmm restarts.

Conditions

When sFlow sampling for HTTP is enabled.

Workaround

Disable HTTP sampling.

Fix Information

Occasional possibility of a TMM crash during sFlow sampling of HTTP traffic no longer occurs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips