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Network Performance

Anyone know of a good free program that works on windows that will show my network traffic like the bandwidth. I would also like to see if I can track packet loss. Currently I have a Pixfirewall 515 on the inside and a perimeter 1720 router.


1 Solution
ethereal will capture network traffic and you can calculate your throughput, but bandwidth you would have to already know.
try this.  but you can just google.  free network bandwidth monitors
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I'm not sure what exactly you're looking for.  If you want to examine packets (individually) then Ethereal is a very populat tool.  It basically reads/sniffs packets and displays them inside the application.

If you're simply looking for bandwidth, I know of a small free tool called RxTx.  It's a very simple program but effective - shows data in bits or bytes (you choose) coming in and going out.

If you're looking for something more specific, please post it up and we'll see what we can find.
Naser GabajE&P Senior Software SpecialistCommented:
Greetings wilsj,

The best in freeware is ntop-xtra

Enjoy it & Good Luck!

The PRTG Traffic Grapher will allow you to use 3 sensors for free. This product shows bandwidth graphs over short and long-term periods.
wilsjAuthor Commented:
Is there some documentation on setting this up using a pix firewall?
You have to enable SNMP on the PIX. Then configure PRTG.

PIX# config terminal
PIX(config)# snmp-server host inside
PIX(config)# snmp-server location OFFICE
PIX(config)# snmp-server contact ADMINISTRATOR
PIX(config)# snmp-server community read
PIX(config)# exit
PIX#wr mem

snmp-server host inside = The PC with PRTG installed.
wilsjAuthor Commented:
I am on my way out. I will try this tomorrow and let you know.

Thanks for the help
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