Re: HOW to use snmpset to set value of a COUNTER64 type OID parameter

Hi Marc,

Thanks for your reply. You are right. I had implemented MY-MIB as subagent using 'mib2c' code generation tool. The problem was in the function 'netsnmp_check_vb_type_and_size()' which is called in subagent code . When the 'U' is used to represent the set variable type (snmpset -v2c -cpublic localhost MY-MIB::Variable.1 U 1234 ) the variable type sent in the SNMP SET request is ASN_OPAQUE, whereas the variable type for COUNTER64 is ASN_COUNTER64. This results in mismatch of type as mentioned by you and the SET operation fails. A work around for this is to compare the incoming variable type with ASN_OPAQUE rather than ASN_COUNTER64, which is what you suggested. I am able to SET the COUNTER64 type OID parameter using this work around(thanks to your reply). But I am wondering if there is a way where the variable type in the incoming request itself is ASN_COUNTER64 and not ASN_OPAQUE? Please let me know if you know one.

Thanks and Regards,
Lucky Goyal




________________________________
From: "Arazo Camprecios, Marc" <[email protected]>
To: lucky goyal <[email protected]>; [email protected]
Sent: Tuesday, November 4, 2008 5:42:28 PM
Subject: RE: HOW to use snmpset to set value of a COUNTER64 type OID parameter


Hello,
 
I had the same problem. It seems that when using an Unisgned value in a table the default function which checks the variable type doesn’t work properly.
 
Try using this one:
 
ret = netsnmp_check_vb_type(requests->requestvb, ASN_UNSIGNED);
 
-----------------
Marc Arazo
 

________________________________

De:lucky goyal [mailto:[email protected]] 
Enviado el: martes, 04 de noviembre de 2008 12:05
Para: [email protected]
Asunto: HOW to use snmpset to set value of a COUNTER64 type OID parameter
 
Hi ALL,

I want to set a OID parameter which is of type "COUNTER64" using 'snmpset'. The parameter has MAX-ACCESS read-write and is member of a Table. I am trying following command

 snmpset -v2c -cpublic localhost MY-MIB::Variable.1 U 1234

But agent sends back a response with error status as  WRONG_TYPE(7). 

Could anyone please tell how to set value of this COUNTER64 variable.

Thanks and Regards,
Lucky

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