Bug ID 678833: IPv6 prefix SPDAG causes packet drop

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.2, 12.1.3,

Fixed In:

Opened: Aug 16, 2017

Severity: 2-Critical


If IPv6 prefix SPDAG is turned on, on systems running v12.1.2 HF1, v12.1.2 HF2, or 12.1.3, it can cause packet drops.


Packet drops.


Turn on IPv6 prefix DAG. -- Assign a value other than 128 to sys db tmm.pem.session.ipv6.prefix.len. -- Running v12.1.2 HF1, v12.1.2 HF2, or 12.1.3.


Turn off IPv6 prefix SPDAG.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips