Bug ID 477611: ICMP monitor does not work on DAG Round Robin enabled VLANs

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1

Fixed In:
12.0.0, 11.6.1 HF1, 11.5.1 HF6

Opened: Sep 03, 2014
Severity: 2-Critical
Related AskF5 Article:


ICMP monitor does not work on the VLANs with DAG Round Robin set to enabled.


ICMP monitor will be down.


For a VLAN, the DAG Round Robin option is enabled.


Utilize another monitor or disable the DAG Round Robin option.

Fix Information

Apply DAG Round Robin to icmp echo only.

Behavior Change