<div dir="ltr"><div>hmm yes, it's very likely.</div><div> </div><div>I use the version 2.0.1</div><div> </div><div>[root @ vmnagiosxi ~] # /usr/local/nagios/libexec/check_snmp --version</div><div>check_snmp v2.0.1 (nagios-plugins 2.0.1)</div><div> </div><div>try updating nagios-plugins</div><div class="gmail_extra"> <div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px">Atte.</div><div style="font-size:12.8px"> </div><div style="font-size:12.8px"><address style="font-size:12.8px">Pablo A. Muñoz Rojas</address><address style="font-size:12.8px">Reseller Nagios & <a href="http://www.nagios.org/communitynetwork" target="_blank">Nagios Community Manager</a></address><address style="font-size:12.8px">P: +56-32-3140734 | C: +56-9-85499668</address><address style="font-size:12.8px">w: <a href="http://www.e-visus.cl/" target="_blank">www.e-visus.cl</a> – <a href="http://www.nagios-cl.org/" target="_blank">www.nagios-cl.org</a> | d: Ecuador 85, Viña del Mar, Chile</address><address style="font-size:12.8px"><a href="http://www.nagios.com/verify/" target="_blank">Nagios Certified Administrator and Professional - 3HCL9F</a></address><address style="font-size:12.8px">Nuestras redes: <a href="https://cl.linkedin.com/in/pablomunozrojas/" target="_blank">Linkedin </a>- <a href="https://twitter.com/Nagios_Chile" target="_blank">Twitter </a>- <a href="http://www.e-visus.cl/?p=241" target="_blank">Line </a>- <a href="http://www.e-visus.cl/?p=241" target="_blank">skype</a> - <a href="https://www.facebook.com/evisus4nagios" target="_blank">facebook</a></address></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div> <div class="gmail_quote">2015-07-07 12:08 GMT-03:00 José Pedro Brito Röseler <<a href="mailto:pedro.roeseler@av.it.pt" target="_blank">pedro.roeseler@av.it.pt</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="PT" link="blue" vlink="purple"><div>Hi Pablo. Thanks for the fast reply. Yes, if I change the key I get the same error: [root@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 1.3.6.1.2.1.1.3.0External command error: snmpget: Authentication failure (incorrect password, community or key) Could it be the version of check_snmp that is causing this problem? [root@nagios]# /usr/lib64/nagios/plugins/check_snmp --versioncheck_snmp v1.4.16 (nagios-plugins 1.4.16) regards,Pedro Röseler From: Help [mailto:<a href="mailto:help-bounces%2Bpedro.roeseler" target="_blank">help-bounces+pedro.roeseler</a>=<a href="mailto:av.it.pt@monitoring-plugins.org" target="_blank">av.it.pt@monitoring-plugins.org</a>] On Behalf Of pablo muñoz Sent: 7 de julho de 2015 15:47 To: Monitoring Plugins Users Subject: Re: Cannot use snmp_check with snmp v3<div><div class="h5"> <div><div>Hello.</div><div> </div><div>He is sure that the keys are well?</div><div> </div><div>try to translate the MIB DISMAN-EVENT-MIB :: sysUpTimeInstance</div><div> </div><div>For example:</div><div> </div><div>/usr/lib64/nagios/plugins/check_snmp -H 192.168.254.2 -o .1.3.6.1.2.1.1.3.0 -P 3 -L authPriv -a MD5 -x DES -X v3p4ssword#2 -U snmpv3user -A v3p4ssword#1 </div><div> </div><div> </div><div> <div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><div><div>Atte.</div><div> </div><div><address>Pablo A. Muñoz Rojas</address><address>Reseller Nagios & <a href="http://www.nagios.org/communitynetwork" target="_blank">Nagios Community Manager</a></address><address>P: +56-32-3140734 | C: +56-9-85499668</address><address>w: <a href="http://www.e-visus.cl/" target="_blank">www.e-visus.cl</a> – <a href="http://www.nagios-cl.org/" target="_blank">www.nagios-cl.org</a> | d: Ecuador 85, Viña del Mar, Chile</address><address><a href="http://www.nagios.com/verify/" target="_blank">Nagios Certified Administrator and Professional - 3HCL9F</a></address><address>Nuestras redes: <a href="https://cl.linkedin.com/in/pablomunozrojas/" target="_blank">Linkedin </a>- <a href="https://twitter.com/Nagios_Chile" target="_blank">Twitter </a>- <a href="http://www.e-visus.cl/?p=241" target="_blank">Line </a>- <a href="http://www.e-visus.cl/?p=241" target="_blank">skype</a> - <a href="https://www.facebook.com/evisus4nagios" target="_blank">facebook</a></address></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div> <div>2015-07-07 11:17 GMT-03:00 José Pedro Brito Röseler <<a href="mailto:pedro.roeseler@av.it.pt" target="_blank">pedro.roeseler@av.it.pt</a>>:<div><div>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@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::sysUpTimeInstanceExternal command error: snmpget: Authentication failure (incorrect password, community or key) I get the same error on the web console:<img border="0" width="1175" height="58" src="cid:image001.png@01D0B8CE.EFCB5B80"> 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-servicehostgroup_name switches_v3service_description Uptimecheck_command check_snmp!-P 3 -U snmpv3user -L authPriv -a MD5 -A v3p4ssword#1 -x DES -X v3p4ssword#2 -o DISMAN-EVENT-MIB::sysUpTimeInstance} If I do the same test with snmpget, everything runs fine: [root@nagios]# snmpget -v3 -l authPriv -u snmpv3user -a MD5 -A v3password#1 -x DES -X v3password#2 192.168.254.2 DISMAN-EVENT-MIB::sysUpTimeInstanceDISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (783093831) 90 days, 15:15:38.31 snmpwalk also runs without problems: [root@nagios]# snmpwalk -v3 -l authPriv -u snmpv3user -a MD5 -A v3password#1 -x DES -X v3password#2 192.168.254.8 DISMAN-EVENT-MIB::sysUpTimeInstanceDISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (783167495) 90 days, 15:27:54.95 Do you have any idea of what might be happening? I’m using a FAN installation on Centos.[root@nagios]# uname -aLinux nagios 2.6.18-400.1.1.el5 #1 SMP Thu Dec 18 00:59:53 EST 2014 x86_64 x86_64 x86_64 GNU/Linux Thanks in advance for your help! Best regards,Pedro Röseler</div></div></div> </div></div></div></div></div></div></blockquote></div> </div></div>