Hi Paulo (sorry for misspelling your name previously),

My SNMP knowledge is fairly limited and I am not very familiar with the IF-MIB, having only used NetSNMP for control and monitoring of proprietary information. However I think I can see what the problem is. To use the example from the snmpget manpage which you've kindly quoted, I think the command you have entered is analogous to doing:

snmpget -c public zeus sysDescr.0

The answer to this is "what's sysDescr"? You need to give enough information to find the item of information you want. "sysDescr" is found inside "system". "system" itself holds some of the core SNMP object definitions and so is known at the top level. To get to the information you want to see, you need to indicate whereabouts it is in the MIB, using its identifier (OID), such as "system.sysDescr.0", but I suspect somebody has already given you the OID, if you look back over previous e-mails!

This is just general SNMP stuff though, nothing to do with NetSNMP. Can I suggest that you spend some time reading about SNMP in general, then you'll hopefully be armed with the answers to these kinds of questions. Despite the name, SNMP isn't all that simple - you can expect to spend quite some time learning about it before you are really ready to use it - sorry, but I don't think there are any shortcuts. If you find any, do let me know! Thanks.

Regards

Raffles

Paulo Ricardo wrote:
very Nice Raffles.

I have one more question:

See the example  below:

snmpget -c public zeus system.sysDescr.0

I tried the follow command:

snmpget -v1 -Cf -c public DNS2 LinkDown

and I receive the following message:

[EMAIL PROTECTED]> snmpget -v1 -Cf -c public DNS2 LinkDown
Error in packet
Reason: (noSuchName) There is no such variable name in this MIB.
Failed object: IF-MIB::linkDown

I suppose that the something are missing in the variable name,

Can you say which is the completely variable name for this case???
Ex system.LinkDown.0  ----> I test with this and the same error occurs

BR
Paulo

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