How can I filter packets from a port monitor?

Posted by engineerchuan on Server Fault See other posts from Server Fault or by engineerchuan
Published on 2011-11-12T23:33:19Z Indexed on 2011/11/13 1:54 UTC
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monitoring

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voip

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wireshark

I have some data going from Point A to Point B. I have a SPAN monitor set up to a monitoring device C.

To recreate some real world scenarios, I want to filter out all traffic which is a certain type (H.323 VoIP Signaling Packets) so that C sees a subset of the information that is flowing from A to B.

What would the easiest way to do this be? I assume I would need a computer with 2 NIC cards and some software to examine each packet and chuck out the H.323 VoIP packets?

Thanks!

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