Packet Sniffer Deployment to Identify DSL Abuse in Office

The DSL line in the office has been slammed lately.  We've experienced significant internet slow-down. The office ISP is managed by a third party.  One of the third party network guys ran a plot showing that we're using nearly 100% of our bandwidth.  

If I use packet sniffer software to identify the "bandwidth hogs" in the office, I would have to deploy that software on every workstation.  Correct?
jdanaAsked:
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Kamran ArshadIT AssociateCommented:
Hi,

No you can turn ON port mirroring on your switch and then on One machine you may Install Wireshark and you will get the traffic of whole subnet. Alternatively you may buy an inexpensive Hub then on any machine install wireshark and rock;

www.wireshark.org

Incase you are new to wireshark;

wiki.wireshark.org
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jdanaAuthor Commented:
Thanks!
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