AT-9924 SNMP Power status


 

I was planning to add Check_MK monitoring for a AT-9924 switch I recently got.

They use the hr_MIB and the things I found most interesting would have been the Power Supply status and Memory/CPU usage.

I was already puzzled why the GUI didn’t report that the 2nd PSU is not plugged in (while I’m testing)

In the standard MIB the info is also missing.

HOST-RESOURCES-MIB::hrDeviceDescr.1 = STRING: Base AT-9924T-EMC M3
HOST-RESOURCES-MIB::hrDeviceDescr.2 = STRING: PSU AT-PWR02R-AC M3
HOST-RESOURCES-MIB::hrDeviceDescr.3 = STRING: PSU AT-PWR02R-AC M3
HOST-RESOURCES-MIB::hrDeviceStatus.1 = INTEGER: running(2)
HOST-RESOURCES-MIB::hrDeviceStatus.2 = INTEGER: running(2)
HOST-RESOURCES-MIB::hrDeviceStatus.3 = INTEGER: running(2)

HOST-RESOURCES-MIB::hrDeviceErrors.1 = Counter32: 0
HOST-RESOURCES-MIB::hrDeviceErrors.2 = Counter32: 0
HOST-RESOURCES-MIB::hrDeviceErrors.3 = Counter32: 0

 

I found some more (mostly redundant) info tucked away at SNMPv2-SMI::enterprises.207.8.4.4.5. 

If you look at the output you’ll see it could be where I would have put the red mark if wordpress didn’t suck.

SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.3.1 = STRING: “AT-9924T-EMC”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.3.2 = STRING: “AT-PWR02R-AC”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.3.3 = STRING: “AT-PWR02R-AC”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.4.1 = STRING: “M3-1 “
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.4.2 = STRING: “M3-0 “
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.4.3 = STRING: “M3-0 “
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.5.1 = STRING: “97883067”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.5.2 = STRING: “97884324”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.5.3 = STRING: “97882964”
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.6.1 = INTEGER: 2
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.6.2 = INTEGER: 0
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.6.3 = INTEGER: 0
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.7.1 = INTEGER: 25    < A CPU load?
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.7.2 = INTEGER: 0
SNMPv2-SMI::enterprises.207.8.4.4.5.2.1.7.3 = INTEGER: 0
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.1.1.1 = INTEGER: 1
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.1.1.2 = INTEGER: 1
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.2.1.1 = INTEGER: 1
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.2.1.2 = INTEGER: 2
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.3.1.1 = INTEGER: 2
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.3.1.2 = INTEGER: 3  < RED MARKER
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.4.1.1 = STRING: “PSU1”
SNMPv2-SMI::enterprises.207.8.4.4.5.3.1.4.1.2 = STRING: “PSU2”

 

In the end I tried adding and removing power.

This turned up the following OID:

SNMPv2-SMI::enterprises.207.8.4.4.3.1.11.1.6.2 = INTEGER: 1 

1 means no power cable

0 means power cable

 

Alltogether this is a no-fun device, I think I’ll stick with check_snmp for this one.

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