Monitoring Network

How I can monitoring my network to know if one machine is sending a lot of packages?  

somebody can suggest a good software or a good way
PLCITSAsked:
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JohnConnect With a Mentor Business Consultant (Owner)Commented:
Comm View (tamosoft.com) is a very good packet sniffer. If you are all on one subnet, you just need Comm View. If you are on multiple subnets, you need the Comm View Agent as well.

I have been using Comm View for years and it is excellent.

Wireshark also may work for you. It is free, but I still use Comm View.
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nader alkahtaniNetwork EngineerCommented:
John ! , what about PRTG ?
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QlemoBatchelor, Developer and EE Topic AdvisorCommented:
PRTG can use Netflow if supported by your switch(es) to get packed info. Without, it only collects interface statistics without details about IP addresses.

WireShark and similar tools only work if run on the source or destination of traffic. Other than that you only see broadcast or multicast packets.
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phil435Commented:
Are these managed switches? If so, most provide a send and receive rate. Some even show a 5 min average.

Wireshark is great for sniffing. The only problem is that you will only be able to see broadcast traffic on a switch unless you have the ability to span a session.

If you suspect a particular machine you could just go to that machine and look at the network from there.
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JohnBusiness Consultant (Owner)Commented:
@PLCITS - Thanks, and I was happy to help.
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Michael RojekCommented:
If you have NetFlow enabled devices, that's the best way to get information. NetCrunch 8 has NetFlow built-in to it's all-in-one suite of monitoring.
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