Bug ID 1111473: "Invalid monitor rule instance identifier" error after sync with FQDN nodes

Last Modified: May 13, 2023

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

Known Affected Versions:
17.0.0, 16.1.3,,, 15.1.8, 15.1.7, 15.1.6,, 14.1.5,,, 13.1.5

Fixed In:

Opened: Jun 01, 2022

Severity: 3-Major


The following log messages may be observed in /var/log/ltm: bigip1 err mcpd[4783]: 01070712:3: Caught configuration exception (0), Invalid monitor rule instance identifier: 29. This may also result in some monitors stuck in "checking" state.


Some monitor statuses may not be correctly reported. Some monitors may be stuck in "checking" state.


-- FQDN nodes exist on the configuration. -- A full config sync occurs -- Device contains a fix for ID1017513 -- May happen regardless of bigd or in-tmm monitoring


Force the mcpd process to reload the BIG-IP configuration: K13030.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips