Bug ID 428884: MBLB proxy incorrectly detects iRule running state causing SNAT iRule for SIP to intermittently select self IP instead of configured IP

Last Modified: Nov 22, 2021

Bug Tracker

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF2

Opened: Aug 26, 2013
Severity: 3-Major
Related Article:
K15168

Symptoms

The following SNAT iRule intermittently selects self IP rather than configured IP: ltm rule r7 { when LB_SELECTED { log local0. [IP::local_addr] snat [IP::local_addr]:[UDP::local_port] } }

Impact

Self IP rather than configured IP is used in SNAT irule.

Conditions

SNAT irule is used on MBLB proxy

Workaround

None.

Fix Information

Modified MBLB proxy to correctly detect irule running state.

Behavior Change