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  • SNMP Traps with Cisco and Other devices
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NMIS is a powerful network management system which is open source and free for a highly capable tool.

Setup SNMP Trap Daemon

NMIS 8.4.1 has included some Cisco and Generic MIBS and added the ability to view the SNMP traps in the NMIS logging tool.

First you will want to make sure your servers NET-SNMP install is setup appropriately. Refer to these install instructions:

SNMPD, Net-SNMP and collecting stats of the NMIS server itself


Next you will need to copy the options file to the right location and restart the daemon.

cp /usr/local/nmis8/install/snmptrapd.options /etc/sysconfig/snmptrapd
cp /usr/local/nmis8/install/snmptrapd.conf /etc/snmp/snmptrapd.conf
service snmptrapd restart

You can test the MIB resolution with this command

snmptranslate -m ALL -M /usr/local/nmis8/mibs/traps

Which should result in:


Configure a Cisco Router to Send Traps

If the IP address of your NMIS server is and you want to use the community string public, these are the commands you need to send traps.

snmp-server host version 2c public 

or to use SNMP v2c Informs

snmp-server host informs version 2c public 

To enable all traps

snmp-server enable traps

Add New SNMP MIBS for Trap Processing

If you are receiving SNMP traps from devices which are just numbers, then you will need to add the MIBS so that the SNMP trap daemon can decode them them for you.  First you need to identify the required MIB files and any dependant MIB files and then copy those files to the directory /usr/local/nmis8/mibs/traps and restart the SNMP trap daemon.

service snmptrapd restart

You can test the decoding using the snmptranslate command, which was described in a previous section.

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