> How to connect Cisco router to NMS (LibreNMS) using SNMPv3? - Sarada Hettiarachchi




Friday, March 3, 2017

How to connect Cisco router to NMS (LibreNMS) using SNMPv3?


Configure SNMP parameters in the Cisco Router

Phase - 01 - Configure SNMP parameters in the Cisco Router

R1(config)#ip access-list standard PERMIT-SNMP
R1(config)#snmp-server view SNMP-RO iso included
R1(config)#snmp-server group SNMP-G1 v3 priv read SNMP-RO access PERMIT-SNMP
R1(config)#snmp-server user SNMP-Admin SNMP-G1 v3 auth sha Authpass priv aes 128 Encrypass
R1(config)#snmp-server enable traps config
*Mar  3 12:07:27.623: Configuring snmpv3 USM user, persisting snmpEngineBoots. Please Wait...

*Mar  3 12:07:27.639: %SYS-5-CONFIG_I: Configured from console by console

Phase - 02 - Connect SNMP Server to the Cisco Router

Before this phase, you have to select proper Network Management System (NMS) application to run Simple Network Management Protocol (SNMP).
In this lab activity, configurations of LibreNMS will be demonstrated. LibreNMS is a opensource web based NMS  and you can run LibreNMS in virtual box.

Step - 01 - Login to LibreNMS

Login to LibreNMS

  1. Use the server IP Address to Web GUI login of the LibreNMS
  2. Default LibreNMS WebGUI credentials (CentOS);
User Name: librenms
Password:   D32fwefwef

Step - 02 - Add Cisco Router to LibreNMS

Go to Devices --> Add Devices and set following parameters to match with the Cisco Router configuration in the example.

Add Cisco Router to LibreNMS
Once you have completed the above process you will be able to see the information of the Cisco Router which are captured through SNMP.

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