Bug ID 671314: BIG-IP system cores when sending SIP SCTP traffic

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(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,,,,,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:

Opened: Jun 27, 2017
Severity: 2-Critical
Related Article:


Virtual servers with an SCTP profile and a SIP message-routing profile may crash the TMM.


TMM crashes and fails over, disrupting traffic processing. Traffic disrupted while TMM restarts.


This flaw affects virtual servers that pass SCTP traffic, where the SIP message-routing profile has the record-route option enabled.


Remove the record-route option, or change the traffic to use TCP or UDP instead of SCTP.

Fix Information

This crash has been fixed.

Behavior Change