How to sniff RTP traffic on a AS5400

Unanswered Question
Jun 30th, 2009

Hi, we have a problem that is driving us nuts. We are a Voip service provider, and we have two AS5400 gateways. Some of our sip conversations are being invaded by a foreign stream of audio that is NOT configured on any of our applications. When I sniff RTP traffic on our IVR's ( asterisk ) I can't hear that stream, so is not really passing. It seems that is getting in only in the analog domain part of the call. Than means the only remaining endpoint we have to investigate are the AS5400. How can I sniff the traffic, is there any tool in the IOS ? Do you have any clue of what is happening ?

Thank you so much.

I have this problem too.
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Paolo Bevilacqua Tue, 06/30/2009 - 10:16

There are no easy tools in IOS. The best way is span a switch port connected to the router.


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