Cacti

Through this hands-on you will install cacti monitoring system and create device entry for your workshop router and switch. You will also create graphs and arrange a graph hierarchy. Finally you will install some cacti plug-ins.

Installation

You can easily install cacti by following

# apt-get install cacti

• While the installation process you will be ask for a password for mysql server. Please give the <class password>.

• Select Apache2 as the webserver type

• Select Yes to Configure database for cacti with dbconfig-common?

• Again give the <class password> for the database administrative user.

• You have complete the cacti installation. open a web browser in your host PC and give the following url.

​http://<Your VM's IP Address>/cacti

• Click next

• Select New Install and click next

• Click Finish and you will be directed to the cacti login page

• Use default username and password to login

User name : admin

Password : admin

• Now you have logged in to cacti monitoring system.

Configuration

Change admin password

• First click to Console tab. Then click on User Management on the left side bar.

• In the User Management page click on the user name admin.

• In the password text box give the <class password> and click Save.

Cacti Graphs

• Click the Graphs tab. You will see Default Tree Icon on the side bar.

• expand it click on the localhost icon. You will see some graphs. (Might not have any values as it take time to generate values)

• These graphs will show the values of your VM.

Adding Devices

• Go to Console and click the Devices.

• Click Add on the devices page. Now you can add the workshop router and the work shop switch and you will be directed to the add devices page. First add the Workshop Switch

• Give following settings

description : workshp_sw

Hostname : 192.248.7.249

Host Template : Generic SNMP-enabled Host

Number of Collection Threads : 1

Downed Device Detection : Ping

Ping Method : ICMP Ping

SNMP Version : version 2

SNMP Community : NetManage

• Click Create and then click Save

• You can add the workshop router as with the same settings with the correct IP address

Creating Graphs

• Go to Console and click the New Graphs.

• Select workshp_sw and it will show you all the available graphs. Also you can create new graphs from graphs template.

• To create a graph to measure ping latency select Unix-Ping Latency in the graph templates window. and click Create

• Keep the default legend color and value and click create

• Lets create graphs to measure the Network interfaces of the switch. To do that select the Network interfaces in the SNMP - Interface Statistics and click Create

• You can do the same and create graphs for the workshop router

Managing Graphs