Hi Team, We implemented the Nagios latest version in our organization and we are experiencing following mentioned issue. <ul> <li>We need to monitor switches, routers through "check_snmp" plugin and when executed the plugin, got the below error.</ul> root@bescmbex:/usr/lib/nagios/plugins# ./check_snmp -H 192.168.7.9 -C ahlbs_snmp -o ifOperStatus.1 -r 1 -m RFC1213-MIB External command error: MIB search path: /root/.snmp/mibs:/usr/share/mibs/site:/usr/share/snmp/mibs:/usr/share/mibs/iana:/usr/share/mibs/ietf:/usr/share/mibs/netsnmp Cannot find module (SNMPv2-SMI): At line 0 in (none) ifOperStatus.1: Unknown Object Identifier (Sub-id not found: (top) -> ifOperStatus) root@bescmbex:/usr/lib/nagios/plugins# Environment Details <ul> <li>Ubuntu 11.0 <li>Nagios 3.4.1</ul> Appreciate your quick response regarding above. Regards, <img src=cid:_2_0CE96B700CE969F4001AF21265257A61> <table><tr><td bgcolor=#ffffff><pre>========================================================== The information contained in this message and any attachments are confidential and/or privileged. It is intended solely for the use of the individual or entity to whom it is addressed. Any retransmission, dissemination or taking of any action in reliance upon this information by persons or entities other than the intended recipient is prohibited. If you receive this e-mail in error please notify helpdesk@goodhope-lk.com immediately and delete this message. Official business transactions of the Company are subject to written contract and/or formal official correspondence by the Company. Visit Our Corporate Website: www.goodhopeholdings.com ========================================================</pre></td></tr></table>