Limit bandwidth for all online radio/video streaming

65 pts.
Tags:
3Com
Bandwidth
Switches
We recently installed a fancy new 3com switch (with QoS) in the center of a star topology of dumb switches. About the same time our internet connection was brought to a screeching halt. We figured out the online radios and video streams from you tube and others killed our T1 because of QoS. I've disabled QoS since, and am playing around with the WireShark. I am not looking to block ports, sites or users - that's one can of worms I'd rather avoid (and those are too easy to bypass anyway). I am looking for a way to limit all the audio/video streaming traffic from all users to a set maximum bandwidth, so they only crowd out each other's stream, and not the legit traffic, or assign a lower priority weight to it. We do have a couple NEC IP phones that we hardly use. Can I do something with ACLs or QoS/CoS about that. In case that is not possible if I need to filter them how can I identify audio/video streams/packets? It seems like most are using port 80 and show as http on the wireshark. Where can I find the DCSP values for VoIP frames and YouTube streams and online radio streams.

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Try Smoothwall. It has QOS features and lots of other goodies. And it’s free too!

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  • Tbitner
    are you using an Application Firewall or proxy server to connect to the internet? You could filter streaming & multimedia traffic with those. You could also use a 3rd party program like websense to filter traffic, but it's expensive.
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  • AndOrTech
    If you want a bandwith management and monitoring solution with commercial support I reccomend an Cymphonics box. It will do all that you are currently asking for and more. It is spendy though.
    555 pointsBadges:
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