Bug ID 745628: MRF SIP ALG with SNAT does not translate media addresses in SDP after NOTIFY message

Last Modified: May 29, 2024

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

Fixed In:
15.0.0,,, 13.1.3

Opened: Oct 01, 2018

Severity: 3-Major


The media addresses in the SDP payload are not translated by MRF SIP ALD with SNAT after a NOTIFY message has been processed.


Media addresses in the SDP payload are not translated.


This occurs because the NOTIFY message has has the TO and FROM headers with the same value causing the ALG to enter hairpin mode.


There is no workaround.

Fix Information

Hairpin mode is not entered when processing NOTIFY messages

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips