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New Member

PoE stats via SNMP

How can I retrieve PoE info from a Cisco switch using SNMP?

7 REPLIES
Cisco Employee

Re: PoE stats via SNMP

What type of switch running what version of code?

New Member

Re: PoE stats via SNMP

Take a look at this MIB

CiscoPoePdMIB

OID:1.3.6.1.4.1.9.9.414

This should explain more

http://tools.cisco.com/Support/SNMP/do/BrowseMIB.do?local=en&step=2&mibName=CISCO-POE-PD-MIB

New Member

Re: PoE stats via SNMP

To answer the first question, the software version is IOS 12.2(25) SEE2. Switch model is 3560.

As for the CISCO-POE-PD-MIB, I've tried walking that tree and I get nothing back from the switch. SNMP is enabled on the switch and I'm getting info back from queries, just not from 1.3.6.1.4.1.9.9.414.

Cisco Employee

Re: PoE stats via SNMP

There is no PoE SNMP support in the image you are running. If you upgrade to 12.2(35)SE, you will have support for the POWER-ETHERNET-MIB and the CISCO-POWER-ETHERNET-EXT-MIB.

New Member

Re: PoE stats via SNMP

Thanks!

New Member

Re: PoE stats via SNMP

The origin of this question is that I have a client who is currently using Cisco Network Assistant to look at statistics for PoE Utilization. I'm wondering why he can see PoE Utilization via Cisco Network Assistant but I cannot see anything using SNMP on OIDs in POWER-ETHERNET-MIB and CISCO-POWER-ETHERNET-EXT-MIB. Does Cisco Network Assistant use something other than SNMP to glean this information?

Cisco Employee

Re: PoE stats via SNMP

Cisco Network Assistant does not use SNMP. It simply executes CLI commands on the device, and parses those.

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