Help regarding snmpset for sample nstAgentModuleObject

Nisha P K <[email protected]> Wed, 06 Jul 2011 15:57:57 +0530

Newsgroups	gmane.network.net-snmp.user
Message-ID	<[email protected]>

Hello all,

I downloaded the nstAgentModuleObject.c and nstAgentModuleObject.h and 
placed them in my net-snmp-5.6.1.1/agent/mibgroups folder.  Then I 
configured  and was able to successfully get the snmpd up and running.

I could successfully get the value of the variable but was unable to 
make a set on the variable.
# snmpget -v2c -c telpublic localhost nstAgentModuleObject.0
NET-SNMP-TUTORIAL-MIB::nstAgentModuleObject.0 = INTEGER: 12

The value 12 was because I had given that as the default value in 
nstAgentModuleObject.c But when I do snmpset it doesn't work.

# snmpset -v2c -c telprivate localhost nstAgentModuleObject.0 = 20
Error in packet.
Reason: wrongLength (The set value has an illegal length from what the 
agent expects)
Failed object: NET-SNMP-TUTORIAL-MIB::nstAgentModuleObject.0

I even tried giving as

#snmpset -v2c -c telprivate localhost nstAgentModuleObject.0 i 20
Error in packet.
Reason: wrongLength (The set value has an illegal length from what the 
agent expects)
Failed object: NET-SNMP-TUTORIAL-MIB::nstAgentModuleObject.0

I am attaching the snmpd.conf that I had used. The rest everything has 
been taken from the tutorial on how to write a MIB module.

Thanks in advance
Regards
Nisha

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snmpd.conf (text/plain, 3.2 KB)

###########################################################################
#
# snmpd.conf
#
#   - created by the snmpconf configuration program
#
###########################################################################
# SECTION: System Information Setup
#
#   This section defines some of the information reported in
#   the "system" mib group in the mibII tree.

# syslocation: The [typically physical] location of the system.
#   Note that setting this value here means that when trying to
#   perform an snmp SET operation to the sysLocation.0 variable will make
#   the agent return the "notWritable" error code.  IE, including
#   this token in the snmpd.conf file will disable write access to
#   the variable.
#   arguments:  location_string

syslocation  "Right Here"

# syscontact: The contact information for the administrator
#   Note that setting this value here means that when trying to
#   perform an snmp SET operation to the sysContact.0 variable will make
#   the agent return the "notWritable" error code.  IE, including
#   this token in the snmpd.conf file will disable write access to
#   the variable.
#   arguments:  contact_string

syscontact root@cvs-a

######################################################################
# SECTION: Access Control Setup
#
#   This section defines who is allowed to talk to your running
#   snmp agent.

# rwuser: a SNMPv3 read-write user
#   arguments:  user [noauth|auth|priv] [restriction_oid]

rwuser  global  

# rwcommunity: a SNMPv1/SNMPv2c read-write access community name
#   arguments:  community [default|hostname|network/bits] [oid]

rwcommunity  telprivate
rocommunity  telpublic

###########################################################################
# SECTION: Monitor Various Aspects of the Running Host
#
#   The following check up on various aspects of a host.

# proc: Check for processes that should be running.
#     proc NAME [MAX=0] [MIN=0]
#   
#     NAME:  the name of the process to check for.  It must match
#            exactly (ie, http will not find httpd processes).
#     MAX:   the maximum number allowed to be running.  Defaults to 0.
#     MIN:   the minimum number to be running.  Defaults to 0.
#   
#   The results are reported in the prTable section of the UCD-SNMP-MIB tree
#   Special Case:  When the min and max numbers are both 0, it assumes
#   you want a max of infinity and a min of 1.

#proc    

# disk: Check for disk space usage of a partition.
#   The agent can check the amount of available disk space, and make
#   sure it is above a set limit.  
#   
#    disk PATH [MIN=100000]
#   
#    PATH:  mount path to the disk in question.
#    MIN:   Disks with space below this value will have the Mib's errorFlag set.
#           Can be a raw byte value or a percentage followed by the %
#           symbol.  Default value = 100000.
#   
#   The results are reported in the dskTable section of the UCD-SNMP-MIB tree

#disk   
#disk   

###############################################################################
# Access Control
###############################################################################

#       sec.name        source          community

master agentx

# OpenManage
smuxpeer .1.3.6.1.4.1.674.10892.1