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How to get inline power via SNMP for Catalyt 9k

I want to monitor the PoE-usage of your new Catalyst 9000 (like C9400) switches.

 

For older Catalyst 4500 I used this OID: 1.3.6.1.4.1.9.9.117.1.1.4.1.4.16

Multiplied with 0.5 (for 5V) I get the load in Watt.

 

But this OID does not work for the new generation.

 

I found this OID: .1.3.6.1.2.1.105.1.3.1.1.4

Which returns the load per LineCard.

 

But I want to get the load for the whole chassis, like this:

 

Switch#sh power inline

Available:8130.0(w)  Used:328.1(w)  Remaining:7801.9(w)

Is there an OID for this?

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I just found this OID: 1.3.6.1.4.1.9.9.402.1.3.1.4

see: https://mibs.observium.org/mib/CISCO-POWER-ETHERNET-EXT-MIB/#

 

I get the expected total values.
But they are still mapped to the installed LineCards.

 

SNMPv2-SMI::enterprises.9.9.402.1.3.1.4.1 = Gauge32: 433153
SNMPv2-SMI::enterprises.9.9.402.1.3.1.4.2 = Gauge32: 433153
SNMPv2-SMI::enterprises.9.9.402.1.3.1.4.7 = Gauge32: 433153
SNMPv2-SMI::enterprises.9.9.402.1.3.1.4.8 = Gauge32: 433153
Switch#sh power inline

Available:7840.0(w)  Used:433.2(w)  Remaining:7406.8(w)

I am looking for an OID with an index that is the same for each of our switches.

 

Here it is ".1", ".2", ".7 and ".8".

But what about a switch where only Slot 3 and 9 have LineCards.

Then my template would not work.

 

Maybe I need to invest time to make the template dynamic and check which LineCards dop exist.

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