Bug ID 2016613: GTM link monitors using gateway-icmp may report "no reply from big3d"

Last Modified: Oct 15, 2025

Affected Product(s):
BIG-IP GTM, Install/Upgrade, Link Controller(all modules)

Known Affected Versions:
17.5.1, 17.5.1.2, 17.5.1.3

Opened: Aug 12, 2025

Severity: 2-Critical

Symptoms

After upgrading from a version lower than 17.5.1, GTM link monitors using gateway-icmp may report "no reply from big3d" and status may show Down.

Impact

GTM link monitors using gateway-icmp may report "no reply from big3d" and status may show Down

Conditions

- Upgrade from a version lower than 17.5.1 - GTM link monitors use gateway-icmp

Workaround

Temporarily enable 'monitor-disabled-objects' in the GTM General settings.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips