Bug ID 976621: SIP ALG not processing IPv6 in NAT64 UDP

Last Modified: Sep 29, 2022

Bug Tracker

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 16.0.0,, 16.0.1,,, 16.1.0, 16.1.1, 16.1.2,,, 16.1.3,,

Opened: Dec 23, 2020
Severity: 3-Major


NAT64 UDP does not work with application layer gateway (ALG) profiles configured for SIP traffic.


NAT translation does not happen for IPv6 UDP traffic with SIP ALG.


-- ALG profiles configured for SIP traffic. -- NAT and IPv6 UDP traffic.


Enable NAT64 explicitly for UDP SIP traffic to be translated.

Fix Information


Behavior Change