Bug ID 452293: Tunneled Health Monitor traffic fails on Standby device

Last Modified: Jan 01, 2023

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, 11.5.10, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.2

Opened: Mar 14, 2014
Severity: 2-Critical
Related Article:


Monitor traffic fails on the Standby devices when using a floating local endpoint address for the tunnels.


Failover takes longer because the status of the pool server on the Standby device needs to be rediscovered upon failover.


Tunnels are configured with a floating local endpoint address.


This issue has no workaround at this time.

Fix Information

Monitors now work on the Standby devices in an HA configuration.

Behavior Change