[SNMP4J] SNMP get of sysDescr resulting in "noSuchInstance" r esponse

[PHIL BERGSTRESSER]

Very basic SNMP fundamental concept. Scalars have a virtual index of 0 while table objects have indexes defined by the table.

If you had done a getNext, the agent would have walked up to the next lexigraphically ordered OID.0 and it would have appeared to have worked.

Do you have access to David Perkins's excellent text "Understanding SNMP MIBs"? That would help you a lot. It did me.

HTH,

Phil



-----Original Message-----
From: snmp4j-bounces at agentpp.org [mailto:snmp4j-bounces at agentpp.org]On
Behalf Of Truyen Vu
Sent: Thursday, January 27, 2005 5:50 PM
To: Frank Fock
Cc: snmp4j at agentpp.org
Subject: RE: [SNMP4J] SNMP get of sysDescr resulting in "noSuchInstance"
response


Thank you, Frank for your quick response. Your suggestion works! Could
you please explain why appending a ".0" to the end of the sysDescr OID
is necessary?
Thanks

-----Original Message-----
From: Frank Fock [mailto:fock at agentpp.com] 
Sent: Thursday, January 27, 2005 3:23 PM
To: Truyen Vu
Cc: snmp4j at agentpp.org
Subject: Re: [SNMP4J] SNMP get of sysDescr resulting in "noSuchInstance"
response

Truyen Vu wrote:

>I'm trying to do a simple SNMP get to obtain "sysDescr" and the
response
>I'm getting is "noSuchInstance". What am I doing wrong? Thank you for
>your help.
>
>  
>
If you get a noSuchInstance report then probably you should append
a ".0" instance identifier to the end of  the sysDescr OID.

Best regards,
Frank

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