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Re : SSL: Self-Signed Certificate problems...

December 15, 2014, 6:27 pm
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Apply license for opmanager netflow plugin

December 15, 2014, 7:32 pm
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I want to apply the license for my trial version Netflow plugin, but when I navigate to the 'License Management' page under 'Admin'. There is no option for me to Apply license. Please advise. Thank.
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License OPmanager netflow plugin

December 15, 2014, 7:59 pm
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I currently using a trial version of netflow plugin, but our Opmanager license includes 10 netflow analyzer lic. When I go to 'License Management' under 'Admin' tab, there is no option for applying license. Can you please advise? Thanks.
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Re : SSL: Self-Signed Certificate problems...

December 15, 2014, 8:45 pm
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Hi,

Yes, you are right. Follow the same document and Let us know if issue persists, send an e-mail to nfs@manageengine.com, we will assist you.

Regards, 
Senthil.N
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Re : Apply license for opmanager netflow plugin

December 15, 2014, 9:04 pm
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Hi,

Thank you for visiting our forums. As you are using netflow plug-in for Opmanager, Netflow plugin should be included with Opmanager License. You need to reapply the Opmanager License in Opmanager User Interface.  

E-mail us to nfs@manageengine.com with your license file, if it is for NetFlow analyzer standalone edition, we will provide you a consolidated license.

Regards, 
Senthil.N
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Re : License OPmanager netflow plugin

December 15, 2014, 9:10 pm
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Hi,

Thank you for visiting our forums. As you are using netflow plug-in for Opmanager, Netflow plugin should be included with Opmanager License. You need to reapply the Opmanager License in Opmanager User Interface.  

Please follow the below steps and update us the status. 
  1. Restart the Opmanager service. 
  2. Download the license file to your desktop.
  3. Apply the downloaded license in the Opmanager UI. 
  4. In Opmanager Admin, navigate to NetFlow settings and click sync NetFlow.
  5. Wait for it to complete and check the issue. 
Regards, 
Senthil.N
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Re : SSL: Self-Signed Certificate problems...

December 16, 2014, 1:12 pm
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Well to update here's what I did if it helps anyone.

1. wrapper.conf has to be configured as shown in the forum post in the "On Collector Side" section However what is shown in the article didn't work right for me.  I had to either use one the full path name.

This is what's shown and didn't work. I got errors in the log file saying couldn't find the keystore
wrapper.java.additional.18=-Djavax.net.ssl.trustStore= ../conf/silvertip.keystore

This worked
wrapper.java.additional.18=-Djavax.net.ssl.trustStore=E:/ManageEngine/NetFlow/conf/silvertip.keystore

2. If your certificate is for a DNS name that does not match your hostname Java will complain and give errors as I listed above. To solve this I created a certificate again this time with a CN matching the hostname and with alternative names for the DNS names I wanted to go to the site with. In this case NFA.

 
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Re : SSL: Self-Signed Certificate problems...

December 16, 2014, 2:25 pm
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Can you confirm that as the article mentions that in the run.bat file (not sure what this does) that the keystore should use backslashes on Windows? That article shows  yes but I don't understand why it doesn't use forward slashes for Java just like wrapper.conf
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Re : SSL: Self-Signed Certificate problems...

December 16, 2014, 4:47 pm
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Hi ,

Thank you for your update. Regarding the run.bat file, this file is used to start the NetFlow Analyzer as an application through the command prompt and the wrapper.conf file is used to start the NetFlow Analyzer as a service.

Please use the backslash as mentioned in the article. You can test if it working fine or not by stooping the ManageEngine NetFlow Analyzer service from the services window and start the application from the command prompt, navigate to Netflow_Home/bin and execute run.bat and check if the changes are working fine or not.

Thanks & Regards,

Aravind Lenin
Technical Support Engg- Netflow Analyzer
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Issue with Conversation OUT Report

December 17, 2014, 8:47 am
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Hi All,
         we don't understand what we see with Conversation OUT Report with NetFlow Analyzer v. 9.5

we  configured sFlow on switch HP Procurve as below:
sflow 1 destination X.X.X.X 9996
sflow 1 polling A1-A24,B1-B24,C1-C24,D1-D24 30
sflow 1 sampling A1-A24,B1-B24,C1-C24,D1-D24 500

On port A2 there is connect only one Server (we see only one mac-address); when we generate a Conversation IN Report and Group By Source IP we see only IP address (this is correct), but when we generate a Conversation OUT Report and Group by Destination IP we see more IP in addition Source IP.

Do you know if this Conversation OUT Report is correct?

Thank you.

Regards,

Marco
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Re : SSL: Self-Signed Certificate problems...

December 17, 2014, 9:05 am
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Thanks now I understand. I tested run.bat and forward or blackslashes both work. And you have to either use the full path or the SERVER_HOME variable. Anyways everything works now.

I am curious why for EventLog Analyzer why these changes aren't needed. Is there something different in NetFlow Analyzer requiring this?

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Re : Issue with Conversation OUT Report

December 17, 2014, 11:10 am
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Hi

Thank you for writing to us. NetFlow Analyzer show the Conversation Information on the in both Direction. If you are trying to monitor a device with 2 interfaces say A and B, if the traffic is flowing in the direction from A to B, in that case the traffic will be accounted as IN traffic for the interface A and the out for the interface B. In the same way if the traffic is flowing in a direction from B to A, the traffic will be accounted as in traffic for the interface B and out traffic for the interface A.

Please refer the below link for more information:

http://blogs.manageengine.com/netflowanalyzer/2009/02/24/in-and-out-reports-with-netflow-analyzer.html


Thanks & Regards,

Aravind Lenin
Technical Support Engg- Netflow Analyzer

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Re : SSL: Self-Signed Certificate problems...

December 17, 2014, 11:15 am
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Hi ,

Thank you for your update. This is a default design in NetFlow Analyzer product and need the following changes to work with the SSL certificate with the FQDN.


Thanks & Regards,

Aravind Lenin
Technical Support Engg- Netflow Analyzer
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Re : SSL: Self-Signed Certificate problems...

December 17, 2014, 12:46 pm
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OK. In my case, for internal systems, I usually use a friendly name such as nfa for the URL. It seems to work ok.
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Re : License OPmanager netflow plugin

December 17, 2014, 5:57 pm
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Hi Senthil,

I have followed your instruction to apply the license, but it takes quite a long time to initializing modules, is it normal? I have restarted the Opmanager service twice, still not bring up netflow analyzer page yet. Any idea? Thanks.

Alex 


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Re : License OPmanager netflow plugin

December 17, 2014, 6:18 pm
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Hi there,

After I reboot the server, Netflow plugin page can show up now, but the license type still showing 'Trial'. I have registered the license twice & sync netflow, nothing changes.

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Re : License OPmanager netflow plugin

December 17, 2014, 10:08 pm
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No OUT traffic appearing

December 18, 2014, 5:52 am
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Hey Everyone,

I am evaluating NetFlow Analyzer in conjunction with a Fortigate setup in order to track the bandwidth usage on both the upload and download of each port of the Fortigate. I have enabled Netflow support on the fortigate inline with the documentation on your site and NetFlow Analyzer has been very accurate in tracking the download usage (ie IN traffic) but no OUT traffic has been registered whatsoever. I have enabled Netflow on all the ports (WAN and LAN) and still no OUT traffic.

Any help please in how this might be an issue so we can finalize on whether we are able to use Netflow analyzer in our setup or not.
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Re : No OUT traffic appearing

December 18, 2014, 6:40 am
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Hi,

Thank you for writing to us. Kindly ensure that the device is configured per the commands listed below -
config system sflow
set collector-ip %NetFlowIP%
set collector-port 9996
end

config sys interface              // For Interface
edit % Interface Name %
set sflow-sampler enable
set sample-rate 1000
set sample-direction both
set polling-interval 60
next
end

config system vdom-sflow       // For VDOM
set vdom-sflow enable
set collector-ip %NetFlowIP%
set collector-port 9996
end

If that still doesn't work, and if your device has FortiOS 5.2.1 or above, enable Netflow export on it -
http://docs-legacy.fortinet.com/fos50hlp/52/FortiOS%205.2%20Help/HB_intro.html
http://docs-legacy.fortinet.com/fos50hlp/52/index.html#page/FortiOS%25205.2%2520Help/system.004.13.html
Regards,
Karthik.K
Netflow Analyzer TAC
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Re : No OUT traffic appearing

December 18, 2014, 7:19 am
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Hey,

Thanks for the quick reply. Actually we are running Fortigate OS 5.2.2 and we have netflow setup as descriped in your documentation.

Mainly we have done
config system netflow
      set collector-ip 192.168.200.2
      set collector-port 9996
      set source-ip 192.168.200.1
      set active-flow-timeout 1
      set inactive-flow-timeout 15
end

Then we did
config sys interface
      edit <interface name>
            set netflow-sampler both
      next
end


Even with all the above we are still seeing the problem that we have mentioned

PS below is a print out from our fortigate diagnosis
____ vdom: root, index=0, is master, collector: disabled (use global config) (mgmt vdom)
   |_ coll_ip:192.168.200.2[9996],src_ip:192.168.200.1,seq_num:14618,pkts/time to next template: 10/245
   |_ exported: Bytes:710521580, Packets:872427, Sessions:6682 Flows:9543
   |____ interface:wan1 sample_direction:both
   |____ interface:port5 sample_direction:both
   |____ interface:port6 sample_direction:both
   |____ interface:virt1 sample_direction:both
   |____ interface:virt2 sample_direction:both
   |____ interface:virt3 sample_direction:both
   |____ interface:virt4 sample_direction:both
   |____ interface:virt5 sample_direction:both
   |____ interface:virt6 sample_direction:both

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