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manual:088:2_basics.1_first_graph [2012/05/20 16:10]
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manual:088:2_basics.1_first_graph [2019/10/29 15:16] (current)
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 But let's start from the very beginning. The first step to creating graphs for your network is adding a device for each network device that you want to create graphs for. A device specifies important details such as the network hostname, SNMP parameters, and host type. Assuming you've just logged in, you'll see a page like this: But let's start from the very beginning. The first step to creating graphs for your network is adding a device for each network device that you want to create graphs for. A device specifies important details such as the network hostname, SNMP parameters, and host type. Assuming you've just logged in, you'll see a page like this:
  
-{{http://docs.cacti.net/data/media/manual/088//start-page.png|Start page}} +{{:manual:088:start-page.png|Start page}} 
  
 You may either click on the //Devices// menu item. Clicking **Add** will bring up a new device form like: You may either click on the //Devices// menu item. Clicking **Add** will bring up a new device form like:
  
-{{http://docs.cacti.net/data/media/manual/088//new_device_1.png|New Device}}+{{:manual:088:new_device_1.png|New Device}}
  
 The first two fields, **Description** and **Hostname** are the only two fields that require your input beyond the defaults. If your host type is defined under the host template dropdown, be sure to select it here. In this case "ucd/net SNMP Host" is used. It is important to remember that the host template you choose will not lock you into any particular configuration, it will just provide more intelligent defaults for that type of host. The first two fields, **Description** and **Hostname** are the only two fields that require your input beyond the defaults. If your host type is defined under the host template dropdown, be sure to select it here. In this case "ucd/net SNMP Host" is used. It is important to remember that the host template you choose will not lock you into any particular configuration, it will just provide more intelligent defaults for that type of host.
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 Please notice the information already retrieved from this device. Of course, this output pertains to my special device. The text may vary for your equipment. In case you see: Please notice the information already retrieved from this device. Of course, this output pertains to my special device. The text may vary for your equipment. In case you see:
  
-{{http://docs.cacti.net/data/media/manual/088//device-wrong-snmp.png|Device with wrong SNMP Information}}+{{:manual:088:device-wrong-snmp.png|Device with wrong SNMP Information}}
    
  
 there is an error with the SNMP Community String that must be fixed prior to graph generation. When scrolling down, you should see some more information, that was provided by assigning this device to the given Host Template. I'm aiming at //SNMP - Interface Statistics//: there is an error with the SNMP Community String that must be fixed prior to graph generation. When scrolling down, you should see some more information, that was provided by assigning this device to the given Host Template. I'm aiming at //SNMP - Interface Statistics//:
  
-{{http://docs.cacti.net/data/media/manual/088//device-added2.png|Device Added, Part 2}}+{{:manual:088:device-added2.png|Device Added, Part 2}}
  
  
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 Now, back to the top of the page, select **Create Graphs for this Host** and find the following: Now, back to the top of the page, select **Create Graphs for this Host** and find the following:
  
-{{http://docs.cacti.net/data/media/manual/088//graphs-add.png|Graph Add}}+{{:manual:088:graphs-add.png|Graph Add}}
    
  
 Check the box next to an interface you want to get data for. A good choice is a row, where a Hardware Address (aka: MAC Address) or the like is shown. From the dropdown, select a graph template of your liking. But remember, that 64 bit graphs are only supported with SNMP V2 (and some more conditions). Finally, **Create** to get: Check the box next to an interface you want to get data for. A good choice is a row, where a Hardware Address (aka: MAC Address) or the like is shown. From the dropdown, select a graph template of your liking. But remember, that 64 bit graphs are only supported with SNMP V2 (and some more conditions). Finally, **Create** to get:
  
-{{http://docs.cacti.net/data/media/manual/088//graphs-added.png|Graph Added}}+{{:manual:088:graphs-added.png|Graph Added}}
    
  
 You want to see your work immediately? So, here is the answer: **You have to be patient.** Assuming you did not forget to configure your cacti host's scheduler to run the poller every 5 minutes, you'll have to wait at least 10 minutes to see anything. Then, please move to //Graph Management//: You want to see your work immediately? So, here is the answer: **You have to be patient.** Assuming you did not forget to configure your cacti host's scheduler to run the poller every 5 minutes, you'll have to wait at least 10 minutes to see anything. Then, please move to //Graph Management//:
  
-{{http://docs.cacti.net/data/media/manual/088//graph-management.png|Graph Management}}+{{:manual:088:graph-management.png|Graph Management}}
    
  
 and select the newly generated graph. Please notice, that I've filtered for the device. This was for demonstration purpose only and to suppress all devices from the list I've already created. and select the newly generated graph. Please notice, that I've filtered for the device. This was for demonstration purpose only and to suppress all devices from the list I've already created.
  
-{{http://docs.cacti.net/data/media/manual/088//graph-final.png|Final Graph}}+{{:manual:088:graph-final.png|Final Graph}}
    
  
 The last steps are not the recommended way to handle this. Later on, I'll show how to use the //Graph// tab and all the magic within. The last steps are not the recommended way to handle this. Later on, I'll show how to use the //Graph// tab and all the magic within.





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