Hi Dayo, I have some questions in order to help you 1. Is your switch an ubuntu server? 2. Is the SNMP service enabled and running on your switch? 3. What is the community string on your switch? 4. Is your nagios server allowed SNMP access to your switch? Regards, Alex Dehaini <div class="gmail_quote">On Tue, Jul 28, 2009 at 1:04 PM, Dayo Adewunmi <<a href="mailto:contactdayo@gmail.com">contactdayo@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hi according to my switch's manual, these are the SNMP Group Access Levels available. <a href="http://paste.ubuntu.com/235182/" target="_blank">http://paste.ubuntu.com/235182/</a> This is the output of ./check_snmp -V: check_snmp v2021 (nagios-plugins 1.4.13) I'm new to SNMP, and need to know which GAL I should use. Best regards Dayo ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. <a href="http://p.sf.net/sfu/bobj-july" target="_blank">http://p.sf.net/sfu/bobj-july</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div> -- Alex Dehaini Developer Site - <a href="http://www.alexdehaini.com">www.alexdehaini.com</a> Email - <a href="mailto:alexdehaini@gmail.com">alexdehaini@gmail.com</a>