Question

SNMP can't find OID in mib files

Asked by: Red-King

Hi,

I'm having a bit of an issue with snmp. I'm tryin gto get temperature info from a HP blade enclosure and I got the mib files containing the necessary OIDs from the management disk that came with the enclosure.
I want to get this reported into our nagios setup but so far I can't even get an snmptranslate or snmpget to work.

The command I'm using with snmp get is this;

snmpget -t 1 -r 5 -M /usr/local/share/snmp/mibs -v 1 -c <string> <IP-Address>:161 cpqRackCommonEnclosureTempCurrent

This is returning the following error;

Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: CPQRACK-MIB::cpqRackCommonEnclosureTempCurrent

I've add a ".0" on the end as I've used this when specifying the sysUpTime OID for cisco switches in the nagios config. I don't quite understand the syntax tho so that was just a stab in the dark.

I've added the mib files into the directory stated above, in the snmpget command, and I've entered each mib in the snmp.conf file (mibs +CPQRACK-MIB).
I'm sure its seeing the mib files but what am I doing wrong here? Why won't it find the OID? Its not a typo, I copied it directly out of the mib. Have I gotten the OID name wrong?

I've attached the mib file if that helps.

Rory

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Asked On
2009-05-29 at 08:43:07ID24448462
Tags

SNMP

,

Nagios

,

Networking

,

HP

,

Blade

Topics

Network Management

,

Miscellaneous Networking

,

Unix Networking

Participating Experts
1
Points
100
Comments
9

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Answers

 

by: Red-KingPosted on 2009-05-29 at 08:57:26ID: 24503702

I just got snmptranslate to give me the correct OID name (I think) by using the numeric OID. It gave me this;

CPQRACK-MIB::cpqRackCommonEnclosureTempTable.6

Does that mean it can only see as far as the table entry? I'm guessing the .6 at the specifies the 6th entry in the table (which is cpqRackCommonEnclosureTempCurrent)?

with snmpget, when i use the OID name that snmptranslate returned, it gives this error;

Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: CPQRACK-MIB::cpqRackCommonEnclosureTempTable.6

I get the same result if I use the numeric OID.

Can anybody help me understand whats going on here?

 

by: gheistPosted on 2009-05-29 at 16:14:23ID: 24506903

It says it requires CPQHOST-MIB

 

by: Red-KingPosted on 2009-06-02 at 06:54:33ID: 24526780

Sorry for not getting back sooner.

CPQHOST-MIB is also there and included. All other mibs that came witht he hp enclosure have been included in the configuration.

Any ideas?

 

by: gheistPosted on 2009-06-02 at 08:43:16ID: 24528114

maybe mibs+= order plays role

 

by: Red-KingPosted on 2009-06-02 at 09:16:56ID: 24528478

I've made some little progress with this. I've cleared up some problems with unrelated mib files which took a little bit of hacking.
(To the guys in HP who wrote the mibs, net-snmp doesn't like underscores and give syntax errors)

At them moment I can get snmp translate to work;

[root]# snmptranslate -On -IR cpqRackCommonEnclosureTempCurrent
.1.3.6.1.4.1.232.22.2.3.1.2.1.6

But snmpget won't work using the same variable name;

[root]# snmpget -t 1 -r 5 -IR -v 1 -c <string> <ip-address>:161 cpqRackCommonEnclosureTempCurrent
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: CPQRACK-MIB::cpqRackCommonEnclosureTempCurrent


So its not a typo and snmp seems to be finding it in the mib file as it has the correct mib in the "Failed object:" line.
Can anybody see what I'm doing wrong here? There must be something that I've screwed up.

20120131-EE-VQP-002

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