DOM stands for Digital Optical Monitoring. So the place to look is the interface detail statistics for the error.
https://www.juniper.net/documentation/us/en/software/junos/interfaces-ethernet-switches/topics/ref/command/show-interfaces-diagnostics-optics-ex-series.html
Do you have a full error message or output of the interface diagnostics?
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Steve Puluka BSEET - Juniper Ambassador
IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP - Retired)
http://puluka.com/home------------------------------
Original Message:
Sent: 05-24-2023 00:00
From: Anonymous
Subject: DOM FAULT Alert not able to Identify
This message was posted by a user wishing to remain anonymous
I am getting DOM FAULT alert continuously from my MX204 to my monitoring device checked all the Kb articles but not able to find anything related to this. Can anyone help?