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Bandwidth hogs on my network

Posted on 2013-12-07
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Last Modified: 2013-12-12
Can someone please point me to a program(virus, malware and adware free please) that will show how many megabytes up and down each computer on my network is using?
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Question by:hrolsons
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Matthew Kelly earned 500 total points
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Wireshark is the best program for monitoring network traffic: http://www.wireshark.org/
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by:Matthew Kelly
Matthew Kelly earned 500 total points
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You can use Endpoint by IP to find computer usage: http://www.wireshark.org/docs/wsug_html_chunked/ChUseStatisticsMenuSection.html
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by:hrolsons
ID: 39703349
So I grabbed 2 screenshots:

sshot1
sshot2
I don't really understand many of the top ones.  I did an ipconfig on all of our machines and the top one that I could identify came in 5th, and that was 10.1.10.10.

Can you shed some light?
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PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

 
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by:Matthew Kelly
ID: 39703387
It is going to show to and from traffic seperately. For example the 208 addresses are google.  You can use nslookup to see the machine name of the 10.× ones (i am assuming that is you internal network ip space).
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by:Ken Boone
ID: 39703468
So utilizing netflow is your friend here.  If you can use netflow, there is a free netflow collector from solar winds and there is a free trial usage of scrutinizer which I really like.    

If you don't have netflow capable equipment you can use an open source tool called ntop.  Ntop will give you the same type of information.
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by:hrolsons
ID: 39703494
It doesn't look like either of those will work with Windows 7.
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by:Ken Boone
ID: 39703526
Scrutinzer trial runs on windows 7

http://www.plixer.com/Scrutinizer-Netflow-Sflow/windows-version.html

In fact I just set up a trial for a customer on windows 7 2 weeks ago.

You need to make sure you core switch, internet router or firewall supports netflow though.
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PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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