Table of Contents

I. Installation...................................................................................................................................................................................1

1. Requirements .....................................................................................................................................................................1

2. Installing Under Unix .......................................................................................................................................................2

3. Installing Under Windows...............................................................................................................................................3

4. Upgrading Cacti ................................................................................................................................................................7

II. Basics ...........................................................................................................................................................................................8

5. Graph Overview ................................................................................................................................................................8

6. How to Graph Your Network..........................................................................................................................................9

6.1. Creating a Device..................................................................................................................................................9

6.2. Creating the Graphs ...........................................................................................................................................10

7. Viewing Graphs ...............................................................................................................................................................11

7.1. Graph Trees..........................................................................................................................................................11

8. User Management ...........................................................................................................................................................12

8.1. Creating a New User ..........................................................................................................................................12

8.2. Realm Permissions..............................................................................................................................................13

8.3. Graph Permissions..............................................................................................................................................13

8.4. Graph Settings.....................................................................................................................................................13

III. Advanced Topics....................................................................................................................................................................14

9. Data Input Methods ........................................................................................................................................................14

9.1. Creating a Data Input Method..........................................................................................................................14

9.2. Making Your Scripts Work With Cacti.............................................................................................................15

10. Data Queries...................................................................................................................................................................16

10.1. Creating a Data Query .....................................................................................................................................16

10.2. SNMP Query XML Syntax ..............................................................................................................................17

10.3. Script Query XML Syntax................................................................................................................................19

11. Templates........................................................................................................................................................................21

11.1. Graph Templates ...............................................................................................................................................21

11.2. Data Templates..................................................................................................................................................24

11.3. Host Templates..................................................................................................................................................26

12. PHP Script Server ..........................................................................................................................................................27

12.1. Using the Script Server.....................................................................................................................................27

12.2. Upgrade Steps for the Example HostMib Data Queries .............................................................................27

12.3. Migration of Existing PHP Scripts to Script Server .....................................................................................27

12.4. Testing Your Script in the Script Server .........................................................................................................29

IV. Using Cacti..............................................................................................................................................................................30

13. How To............................................................................................................................................................................30

13.1. Graph a Single SNMP OID..............................................................................................................................30

13.2. Simplest Method of Going from Script to Graph (Walkthrough)..............................................................30

14. Frequently Asked Questions .......................................................................................................................................35

V. Reference ..................................................................................................................................................................................38

15. Variables..........................................................................................................................................................................38

15.1. Graph Variables.................................................................................................................................................38

15.2. Host Variables....................................................................................................................................................39

16. RRDTool Specific Features ...........................................................................................................................................40

16.1. GPRINT Presets.................................................................................................................................................40

16.2. CDEFs .................................................................................................................................................................40

iii