Bug ID 504105: RR-DAG enabled UDP ports may be used as source ports for locally originated traffic

Last Modified: Oct 01, 2018

Bug Tracker

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3 HF2

Opened: Jan 31, 2015
Severity: 3-Major

Symptoms

RR-DAG enabled UDP ports may be used as the source port on locally originated connections.

Impact

Connections may be forwarded between tmms resulting in a performance impact

Conditions

Disaggregation mode set to RR-DAG

Workaround

None

Fix Information

RRDAG enabled ports can no longer be selected as a source port for locally originated connections.

Behavior Change