> From: cornerbreeze [mailto:cornerbre...@163.com]
> Sent: Wednesday, February 24, 2010 7:37 PM
> I wrote a MIB by imitating the NET-SNMP-TUTORIAL-MIB. And here is my
> MIB:
[SNIP/]
> memoryUsage OBJECT-TYPE
> SYNTAX DisplayString
> MAX-ACCESS read-only
> STATUS current
> DESCRIPTION
> "This attribute shall indicate the
> usage rate of Memory."
> ::= { tSetting 1 }
^^^^^^^^^^^^^^^
|||||||||||||||
compare this...
>
> cpuUsage OBJECT-TYPE
> SYNTAX DisplayString
> MAX-ACCESS read-only
> STATUS current
> DESCRIPTION
> "This attribute shall indicate the
> usage rate of CPU."
> ::= { tSetting 2 }
> END
> #snmpget -v 2c -c public localhost TEST-MIB::memoryUsage.0
> and succeeded;
> when I inputed:
> #snmpget -v 2c -c public localhost TEST-MIB::cpuUsage.0
> it said:
> No Such Instance currently exists at this OID.
>
> then I modified my MIB as below(deleted the leaf memeryUsage ):
[SNIP/]
> cpuUsage OBJECT-TYPE
> SYNTAX DisplayString
> MAX-ACCESS read-only
> STATUS current
> DESCRIPTION
> "This attribute shall indicate the
> usage rate of CPU."
> ::= { tSetting 1 }
^^^^^^^^^^^^^^^
|||||||||||||||
with this...
>
> END
>
> then I inputed:
> #snmpget -v 2c -c public localhost TEST-MIB::cpuUsage.0
> it succeed.
Right. Both times, TEST-MIB::tSetting.1.0 is there, but
TEST-MIB::tSetting.2.0 is not. Changing the MIB only changes the *name* of
the object. You must change the underlying code to provide the desired values.
> so, why did it fail before I deleted the "memoryUsage"?
> How to make the two leaves exist at the same MIB together?
Provide an implementation for TEST-MIB::tSetting.2.0.
HTH,
Mike
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