SNMP Graphs using OIDs obtained from a Script Data Query

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ellull
Posts: 1
Joined: Thu Apr 21, 2005 3:10 pm

SNMP Graphs using OIDs obtained from a Script Data Query

Post by ellull »

Hi all, I don't know if it is possible to do what I want to do, but what I'm thinking about is to have a Data Query with a "Get Script Data (Indexed)" Data Input Method that, given a index, returns two OIDs (I have already programed this script). Then I would like that Cacti could use these OIDs to draw a graph.

The question is, how can I make the graph use those returned OIDs to get the data?

I cannot use a "Get SNMP Data (Indexed)" Data Query because the device I'm trying to monitor doesn't has the inbound and outbound counters under different trees. I mean, in a Cisco router you have:
.1.3.6.1.2.1.2.2.1.10.1 --> Inbound traffic for interface 1
.1.3.6.1.2.1.2.2.1.10.2 --> Inbound traffic for interface 2
...
.1.3.6.1.2.1.2.2.1.16.1 --> Outbound traffic for interface 1
.1.3.6.1.2.1.2.2.1.16.2 --> Outbound traffic for interface 2
...

But this device has:
.1.3.6.<no care>.5.1233 --> Inbound traffic of class 1
...
.1.3.6.<no care>.5.8543 --> Outbound traffic of class 2
...
.1.3.6.<no care>.5.11894 --> Outbound traffic of class 1
...
.1.3.6.<no care>.5.20019 --> Inbound traffic of class 2
...

For this reason I cannot use a Data Query that uses a "Get SNMP Data (Indexed)" Data Input Method. But I can determine which OIDs are related with some scripting. Then, I would like to make a graph using these OIDs.

It is possible to do what I want to do?


Thanks a lot
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TheWitness
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Joined: Tue May 14, 2002 5:08 pm
Location: MI, USA
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Post by TheWitness »

Please research the Index method OID_INDEX_PARSE. There are several posts and a few good examples posted on this forum.

TheWitness
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