Bug ID 1044089: ICMP echo requests to virtual address gets a response even when the virtual server is offline when updated from GUI.

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 16.1.2,,, 16.1.3,,,,,, 17.0.0,,, 17.1.0,,,

Fixed In:
17.1.1, 16.1.4, 15.1.10

Opened: Sep 01, 2021

Severity: 3-Major


Virtual address is reachable even when the virtual server is offline.


ICMP echo requests are still handled by the virtual address even though the virtual server is marked offline.


The virtual server status is updated to offline by modifying the virtual server and adding an iRule via the GUI.


Use tmsh to attach the iRule to the virtual server: tmsh modify ltm virtual <virtual_server_name> rules {<rule_name> }

Fix Information

Virtual address is no longer reachable when virtual server is offline.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips