Re: snmpset failes with Reason: notWritable (That object does not support modification) ...Even with rwcommunity permissions

Thanks Suresh,

We have to write /generate a c code even if our mib contains a simple integer.

 I followed the  link , now its snmpset and get are working for me.
http://www.net-snmp.org/wiki/index.php/TUT:Writing_a_Subagent

to create a subagent for my mib . The subagent talks to net-snmp agent over TCP

regards
Vipul

On Tue, Oct 28, 2014 at 11:50 AM, Pal <[email protected]> wrote:
> Vipul,
> Try to understand how write_ methods are implemented here, which helps in
> figuring out what you need to do:
>
> http://net-snmp.sourceforge.net/dev/agent/example_8c_source.html
>
> Thanks
> Suresh
>
>
> On Oct 27, 2014, at 11:12 AM, Vipul Mehta <[email protected]> wrote:
>
> No I didn't implement any handler.  Do I need to generate some c code using
> mib2c even when I m using basic data types like integer .  plz if you can
> summarize the steps or share a link for my help .  thanks in advance.   And
> apologies for asking very basic queries actually I m new to SNMP.
>
> On 27/10/2014 11:27 pm, "Pal" <[email protected]> wrote:
>>
>> How did you implement your set snmp handler?
>> Every set request needs a write_method function pointer defined and
>> assigned, which then gets called by the agent.
>>
>> Thanks
>> Suresh
>>
>>
>> > On Oct 27, 2014, at 7:15 AM, Vipul Mehta <[email protected]> wrote:
>> >
>> > I have fixed MAX-ACCESS  read-write   to ACCESS read-write.
>> >
>> > but still the problem persists .  Request all to plz provide valuable
>> > inputs.
>> >
>> >> On Mon, Oct 27, 2014 at 4:24 PM, Vipul Mehta <[email protected]>
>> >> wrote:
>> >> Hello,
>> >> Need some help related to snmpset command.
>> >>
>> >> I am trying to use netsnmp agent for publishing Statistics of my
>> >> application on SNMP.
>> >>
>> >> My application will call snmpset to push the statistics in snmpd and
>> >> the monitoring tool will pull statistics from snmpd.
>> >>
>> >> Problem is :: that snmp set fails with below error
>> >>
>> >> snmpset -v 2c -c writer 127.0.0.1 .1.3.6.1.4.1.99987.100 i 10
>> >>
>> >> Error in packet.
>> >> Reason: notWritable (That object does not support modification)
>> >> Failed object: SNMPv2-SMI::enterprises.99987.100
>> >>
>> >>
>> >> Also when i fire snmpget
>> >>
>> >> snmpget -v 2c -c writer 127.0.0.1 .1.3.6.1.4.1.99987.100
>> >> SNMPv2-SMI::enterprises.99987.100 = No Such Object available on this
>> >> agent at this OID
>> >>
>> >> +++++++++++++++++++++
>> >> My snmpd.conf file :::
>> >>
>> >> rwcommunity writer
>> >> rwcommunity public
>> >> rwcommunity private 127.0.0.1
>> >>
>> >>
>> >> ++++++++++++++++
>> >>
>> >> snmpd process is running
>> >>
>> >> snmp     38888     1  0 15:58 ?        00:00:01 /usr/sbin/snmpd -LE 7
>> >> -Lsd -Lf /tmp/snmpdd.log -u snmp -g snmp -I -smux mteTrigger
>> >> mteTriggerConf -p /var/run/snmpd.pid
>> >>
>> >>
>> >> +++++++++++++++++++++++++
>> >>
>> >> MIB file
>> >>
>> >> SAMPLE-MIB DEFINITIONS ::= BEGIN
>> >>
>> >> IMPORTS
>> >>        enterprises, IpAddress
>> >>                FROM RFC1155-SMI
>> >>        DisplayString
>> >>                FROM RFC1213-MIB
>> >>        OBJECT-TYPE
>> >>                FROM RFC-1212;
>> >>
>> >> notifAppStats OBJECT IDENTIFIER ::= { enterprises 99987 }
>> >>
>> >>
>> >>        tempObjj OBJECT-TYPE
>> >>                SYNTAX INTEGER
>> >>                MAX-ACCESS  read-write
>> >>                STATUS  mandatory
>> >>                DESCRIPTION
>> >>                        "for testing."
>> >>
>> >>                ::= { notifAppStats 100 }
>> >>
>> >> END
>> >> ++++++++++++++++++
>> >
>> >
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