Date: Tue, 25 Jan 2011 20:41:08 +1000 From: Da Rock <freebsd-questions@herveybayaustralia.com.au> To: freebsd-questions@freebsd.org Subject: Re: Tracing packets - asterisk issues Message-ID: <4D3EA8C4.2030204@herveybayaustralia.com.au> In-Reply-To: <4D3E8DCA.1020304@baywinds.org> References: <4D3E782F.5040203@herveybayaustralia.com.au> <4D3E8DCA.1020304@baywinds.org>
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On 01/25/11 18:46, Bruce Ferrell wrote: > On 01/24/2011 11:13 PM, Da Rock wrote: > >> I have been trying to get some pointers on my asterisk issues and I've >> only been hearing crickets chirping (Asterisk list and here). I need a >> pointer or two so I can fix this issue, so I'll try another angle. >> >> How do I trace IP packets across the network (pf firewall included)? >> And would it be possible to read it visually (human readable)? >> >> Cheers >> > Use tcpdump to do a capture file. something like this: > > tcpdump -i eth0 -n -s 1500 -w sip.cap > > then feed sip.cap to wireshark > > filter for SIP and observe the SIP conversation > > It's also possible to decode the RTP stream > I've been using tcpdump on the asterisk server and both interfaces of the firewall as well as the log interface. Unfortunately, its not giving me the answers I want so far. Follow a stream from beginning to end, so to speak, but I've been having trouble matching it up; especially with the log. Is it possible with wireshark to do this kind of matching if I capture on all these interfaces? Thx
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