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Device for Network Monitoring

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Last Modified: 2013-12-07
Our users have begun to complain how slow the network is over our T1 connections. Right now we have nothing to see what is traversing the lines.  We currently have 7 sites that we need to monitor network traffic.  Is there a hardware or software device that we can use to monitor all sites?  We are currently a Windows 2003/XP site.

Any help would be appreciated.
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Commented:
I use MRTG to monitor bandwidth usage.

http://oss.oetiker.ch/mrtg/
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Commented:
It does draw "Pretty Pictures" but does it tell you what that traffic is, or it source/destination, port number, etc?

Commented:
No, I usually use my firewall logs for that.

Commented:
Something like this may be helpful:
http://www.manageengine.com/products/netflow/
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Commented:
That may work.  However, on the Hardware side of things, since all the remote sites come in through a single IP address, is there a device that I can put right have they enter the office that will sit there and watch everything?
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Commented:
Well I took your advice on mirror the ports to see what is causing the slow down. I'm monitoring using Wireshark all traffic except ports, 3389, 53 and broadcast.  However when it comes to using MRTG I can't.  My switches don't support SNMP.  I'm hoping to replace them soon, but right now that isn't an option.
If you have a managable switch, I think WFilter is the right tool for you, key features:
1. Real time network connections monitoring and alert.
2. Real time bandwidth monitoring.
3. Keep a detailed record of each web surfing, emails, instant messaging, file downloading.
4. Implement a policy to filter internet access during working hours.
5. Websites, messengers and p2p file downloading can be blocked to save bandwidth and raise productivity.
6. You only need to install WFilter in ONE computer to manage your whole network.

http://www.imfirewall.us/network-monitor.htm
Kamran ArshadIT Associate
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Commented:
Currently my switches are Dell 2724.
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