Cannot use snmp_check with snmp v3

[pablo muñoz]

a backup of your server is never a bad idea before making changes

Atte.

Pablo A. Muñoz RojasReseller Nagios & Nagios Community Manager
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2015-07-07 12:51 GMT-03:00 José Pedro Brito Röseler <pedro.roeseler at av.it.pt
>:

> Hi Andreas.
>
> Thanks for the tip. I tried with both double and single quotes but I get
> the
> same error...
> And yes, the passwords I posted here are just examples. :-)
>
> I think I will then proceed with the check_snmp plugin upgrade...
> I already downloaded the latest version of nagios
> plugins(nagios-plugins-2.0.3) and copied it to the server.
> My current plugins are in /usr/lib64/nagios/plugins
>
> The thing is that I'm running a Full automated installation of Nagios(FAN)
> so I'm not sure of how to proceed without breaking something else during
> the
> upgrade.
>
> Is it safe to do this?
>
> tar xzf nagios-plugins-2.0.3
> cd nagios-plugins-2.0.3
> ./configure --with-nagios-user=nagios --with-nagios-group=nagios
> make
> make install
>
>
>
> regards,
> Pedro Röseler
>
> -----Original Message-----
> From: Help
> [mailto:help-bounces+pedro.roeseler=av.it.pt at monitoring-plugins.org] On
> Behalf Of Andreas Ericsson
> Sent: 7 de julho de 2015 16:31
> To: Monitoring Plugins Users
> Subject: Re: Cannot use snmp_check with snmp v3
>
> On 2015-07-07 16:17, José Pedro Brito Röseler wrote:
> > Hello.
> >
> >
> >
> > I’m trying to check the uptime of a Cisco 2960X switch on Nagios with
> > check_snmp plugin but I always get the following error:
> >
> >
> >
> > [root at nagios]# /usr/lib64/nagios/plugins/check_snmp -P 3 -U snmpv3user
> > -L authPriv -a MD5 -A v3p4ssword#1 -x DES -X v3p4ssword#2 -H
> > 192.168.254.2 -o DISMAN-EVENT-MIB::sysUpTimeInstance
> >
> > External command error: snmpget: Authentication failure (incorrect
> > password, community or key)
> >
> >
> >
> > I get the same error on the web console:
> >
> >
> >
> >
> >
> > My switches.conf is like this:
> >
> >
> >
> > # HOST DEFINITIONS
> >
> > #
> >
> > ######################################################################
> > ######
> > ###
> >
> > ######################################################################
> > ######
> > ###
> >
> >
> >
> > # Define the switch that we'll be monitoring
> >
> >
> >
> > define host{
> >
> >          use                     generic-switch,host-pnp
> >
> >          host_name               cisco_2960x_IT2_Datacenter
> >
> >          alias                   cisco 2960x 24p IT2 Datacenter
> >
> >          address                 192.168.254.2
> >
> >          hostgroups              switches_v3
> >
> >          notification_interval   60
> >
> >          icon_image              switch.png
> >
> >          statusmap_image         switch40.png
> >
> >          }
> >
> >
> >
> >
> >
> >
> >
> > ######################################################################
> > ######
> > ###
> >
> > ######################################################################
> > ######
> > ###
> >
> > #
> >
> > # HOST GROUP DEFINITIONS
> >
> > #
> >
> > ######################################################################
> > ######
> > ###
> >
> > ######################################################################
> > ######
> > ###
> >
> >
> >
> > # Create a new hostgroup for switches
> >
> >
> >
> > define hostgroup{
> >
> >          hostgroup_name  switches                ; The name of the
> hostgroup
> >
> >          alias           Network Switches        ; Long name of the group
> >
> >          }
> >
> >
> >
> > define hostgroup{
> >
> >          hostgroup_name  switches_v3             ; The name of the
> hostgroup
> >
> >          alias           Network Switches with SNMP v3        ; Long name
> of
> > the group
> >
> >          }
> >
> >
> >
> > ######################################################################
> > ######
> > ###
> >
> > ######################################################################
> > ######
> > ###
> >
> > #
> >
> > # SERVICE DEFINITIONS
> >
> > #
> >
> > ######################################################################
> > ######
> > ###
> >
> > ######################################################################
> > ######
> > ###
> >
> >
> >
> > ########## Switches with SNMP V3 ###################
> >
> >
> >
> > # Service definition to monitor switch uptime using check_snmp
> >
> >
> >
> > # Monitor uptime via SNMP
> >
> >
> >
> > define service{
> >
> > use                     generic-service
> >
> > hostgroup_name          switches_v3
> >
> > service_description     Uptime
> >
>
> This happens because the shell translates the hash in your password to the
> end of the command and the start of a comment. You need to use either
> single
> or double quotes around both your passwords in order for the shell to see
> them as a single argument.
>
> > check_command           check_snmp!-P 3 -U snmpv3user -L authPriv -a MD5
> -A
> > v3p4ssword#1 -x DES -X v3p4ssword#2 -o
> > DISMAN-EVENT-MIB::sysUpTimeInstance
> >
>
> So type in v3p4ssword#1 as 'v3p4ssword#1' with the quotes, and do the same
> for 'v3p4ssword#2' and it should work.
>
> --
> Andreas Ericsson                   andreas.ericsson at op5.se
> OP5 AB                             www.op5.se
> Tel: +46 8-230225                  Fax: +46 8-230231
>
> Considering the successes of the wars on alcohol, poverty, drugs and
> terror,
> I think we should give some serious thought to declaring war on peace.
>
>
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