Re: Walk/Get data problem Value: U

Thanks. Got it working with oid_suffix.

Now I have an issue where OIDs are structured like 
<index>.<first_interface_index>.<second_if_index> for some other data.

What is the best way of getting the data in such form?

Thanks,
Matej


Dne 16.3.2012 21:20, piše Gandalf:
> We can't use a "walk", because, by definition, this may return multiple values
> where we only expect a single one.
>
> The solution to your issue would be to do a "get" against the<index>.1
> You may want ti use the<oid_suffix>  feature for that.
>
> Reinhard
>
> On 16.03.2012 12:23, Matej wrote:
>> Hi,
>>
>> When I create a new template for a device (CMTS), I get correct IDs for
>> interfaces like:
>> IF-MIB::ifIndex.721432 = INTEGER: 721432
>>
>> Then for some values, like SNR, I can successfully get the data such as:
>> transmission.127.1.3.9.1.3.721432.
>>
>> The problem I have are the values for the OID
>> enterprises.4998.1.1.10.2.23.1.2, where adding the interface ID to the
>> end like enterprises.4998.1.1.10.2.23.1.2.721432 is not enough (snmpwalk
>> works, but snmpget doesnt and then of course Cacti also doesnt), because
>> the query should be enterprises.4998.1.1.10.2.23.1.2.721432.1 (so .1
>> added after the interface ID).
>>
>> In the template I have:
>> <dcx4StatsAvgUtil>
>> <name>dcx4StatsAvgUtil</name>
>> <method>walk</method>
>> <source>value</source>
>> <direction>output</direction>
>> <oid>.1.3.6.1.4.1.4998.1.1.10.2.23.1.2</oid>
>> </dcx4StatsAvgUtil>
>>
>> snmpwalk of .1.3.6.1.4.1.4998.1.1.10.2.23.1.2.721432 returns INTEGER: 13
>> snmpget of .1.3.6.1.4.1.4998.1.1.10.2.23.1.2.721432 returns No Such
>> Instance currently exists at this OID
>>
>> Why does Cacti seems to use snmpget instead of snmpwalk (even though I
>> have walk as a method) which returns result successfully?
>>
>> The issue I am having, is like the one described here:
>> http://forums.cacti.net/about39934.html. But since there is quite a
>> number of interfaces, I am looking for an automated solution.
>>
>> I am looking for a nice way of getting those results into the Cacti (I
>> am working on a Arris C4c CMTS template many are looking for and will
>> make it public after completing).
>>
>> Thanks a lot in advance, will appreciate it!
>> Matej
>>
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