Hi Nikolas,
need to check how interfaces associated with sensors.
But required full snmpdump from your device.
Please read this doc and send me (out of list) dump from this device:
https://docs.observium.org/developing/add_device/#snmp-dump
You also can send it me in our Discord channel:
@landy
https://discord.gg/GjpNXKWm8W
Nicolas Korten via observium wrote on 17.12.2025 08:42:
Hi Observium Team,
we noticed that when monitoring IPInfusion/OcNOS Routers (at least on
Ufispace s9510-s28dc) the Interface Sensors naming is incorrect, some
items are offset by 1, and others are not showing up.
For example, we have an interface with ifDescr="xe4" which is detected
correctly in the ports/basic tab (see ports.png) - but in the Sensors
tab it is detected as xe5 (see sensors.png - xe5 has no treansciever
and is Admin Down on this device).
Other ports are not showing up in the Ports/Sensors section, but they
do appear in Health/dBm (see dbm.png).
IPInfusion is starting the interface enumeration in ifDescr with 0
(ce0 is the first interface), and in the CMM-CHASSIS-MIB the
interfaces are indexed by CmmTransIndex starting with 1.
For example, xe4 receive power is at:
.1.3.6.1.4.1.36673.100.1.2.3.1.22.1.5.1 (notice cmmTransIndex = 5)
ce0 receive power:
.1.3.6.1.4.1.36673.100.1.2.3.1.22.1.1.1 (notice cmmTransIndex = 1)
Is there any option to fix this?
Thank you in advance, kind regards,
Nicolas
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Mike Stupalov,
Discord channel: https://discord.gg/GjpNXKWm8W
Observium Limited, https://observium.org
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