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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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