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

Last Modified: Oct 16, 2023

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

Known Affected Versions:
11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.6.2 HF1, 11.6.0, 11.6.1, 11.6.2, 11.6.3,,,,, 11.6.4, 11.6.5,,,, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.1 HF1, 11.5.1 HF6

Opened: Sep 03, 2014

Severity: 2-Critical

Related Article: K16076


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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips