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NetFlow Download
" It has helped identify our biggest bandwidth abusers and malicious applications running on the network. It also has an easy interface to see the network stats on our different locations. "
Nick Rieber,
Technology Specialist,
Glenbard High School District 87.
Supports : NetFlow, sFlow, cflowd, J-Flow, IPFIX, NetStream, NBAR and CBQoS technologies
Solutions for: WAN Manager | Network Administrator
Product Info - Professional Edition
System Requirements
  

The recommended hardware requirements for installing and running NetFlow Analyzer are as follows:

No. of Interfaces to be Managed Processor RAM Hard-disk Space
Upto 10 (low end routers) 2.6 GHz P-D/ 3.0 GHz P4 HT  or equivalent
 1 GB 20 GB
11 - 25 2.8 GHz P-D or equivalent
 1 GB 40 GB
26 - 50 2.6 GHz Core 2 Duo or equivalent
 1 GB 60 GB
51 - 100 3.0 GHz Core 2 Duo /   2.4 GHz dual core Xeon 3000 series or equivalent 2 GB 75 GB
101 - 300 2.6 GHz dual core 3000 series Xeon Processor or equivalent 4 GB 225 GB
301 - 600 2.6 GHz quad core 3000 series Xeon Processor or equivalent 4 GB 450 GB
If you are using professional plus, we recommend that you use additional 1 GB RAM for better performance.

The recommended software requirements for installing and running NetFlow Analyzer are as follows:

Supported Operating Systems Supported Browsers
  • Windows Vista
  • Windows 2000 Server
  • Windows 2000 Professional with SP 4
  • Windows 2003 Server
  • Windows XP with SP 1
  • Windows 2008 with SP 1
  • RedHat Linux 8.0
  • RedHat Linux 9.0
  • Internet Explorer 5.5 and above
  • FireFox 1.x
  • Netscape 7.0 and above
  • Mozilla 1.5 and above

Note: NetFlow Analyzer 7.5, runs in both Windows and Linux, supports NetFlow® versions 5/7/9,sFlow®, cflowd®,J-Flow®, IPFIX®, NetStream®. For router and switch specifications refer the Configuring Cisco Devices section of the User Guide.

Database Tuning Parameters

When you find that the client response is slow and the reports are taking longer time to get generated, you can tune a few database parameters to improve the performance of the system. The database parameters for NetFlow Analyzer are tuned to work well with 512 MB of RAM and in cases where you are running with more RAM, you can easily tune the MySQL parameters to extract better performance. This can result in significant improvements in the client response. These parameters can be set in startDB.bat file present in <NetFlow Analyzer Home>/bin directory (startDB.sh in case of Linux).

The 2 main parameters are the key_buffer_size and the innodb_buffer_pool_size. These values are set to --key_buffer_size=180000000 --innodb_buffer_pool_size=212000000 by default

Note: Please take a back up of this file before you make any changes. In case you are uncomfortable making these changes, please send a mail to netflowanalyzer-support@manageengine.com so that we can assist you in doing this.

  • For a machine running with 1 GB of RAM, you can set these to
    --key_buffer_size=360000000 --innodb_buffer_pool_size=424000000
  • For a machine running with 2 GB of RAM, you can set these to
    --key_buffer_size=720000000 --innodb_buffer_pool_size=848000000

 

 

NetFow Analyzer Download
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