Wireshark mailing list archives

Re: Wireshark-users Digest, Vol 59, Issue 9


From: Barry Constantine <Barry.Constantine () jdsu com>
Date: Mon, 11 Apr 2011 12:55:55 -0700

OK, it must have been captured on a SPAN port and it has duplicate packets in it.

Thanks a lot Lars!

Barry

-----Original Message-----
From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of 
wireshark-users-request () wireshark org
Sent: Monday, April 11, 2011 3:00 PM
To: wireshark-users () wireshark org
Subject: Wireshark-users Digest, Vol 59, Issue 9

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Today's Topics:

   1. Re: Wireshark-users Digest, Vol 59, Issue 8 (Barry Constantine)
   2. Re: Wireshark-users Digest, Vol 59, Issue 8 (Boonie)
   3. Re: VoIP RTP Analysis, Lost Packet Analysis
      (RUOFF, LARS (LARS)** CTR **)
   4. Re: Wireshark-users Digest, Vol 59, Issue 8 (j.snelders)


----------------------------------------------------------------------

Message: 1
Date: Sun, 10 Apr 2011 12:05:35 -0700
From: Barry Constantine <Barry.Constantine () jdsu com>
To: "wireshark-users () wireshark org" <wireshark-users () wireshark org>
Subject: Re: [Wireshark-users] Wireshark-users Digest, Vol 59, Issue 8
Message-ID: <54877A58-BA2A-47EA-B409-998E14218EEB () jdsu com>
Content-Type: text/plain; charset="us-ascii"

Sure, but where do I post the capture file to?

Thanks, Barry


On Apr 10, 2011, at 3:02 PM, "wireshark-users-request () wireshark org" <wireshark-users-request () wireshark org> 
wrote:

Send Wireshark-users mailing list submissions to
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To subscribe or unsubscribe via the World Wide Web, visit
   https://wireshark.org/mailman/listinfo/wireshark-users
or, via email, send a message with subject or body 'help' to
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You can reach the person managing the list at
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When replying, please edit your Subject line so it is more specific
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Today's Topics:

  1. Re: VoIP RTP Analysis, Lost Packet Analysis (Jake Peavy)


----------------------------------------------------------------------

Message: 1
Date: Sat, 9 Apr 2011 19:20:42 -0600
From: Jake Peavy <djstunks () gmail com>
To: Community support list for Wireshark
   <wireshark-users () wireshark org>
Subject: Re: [Wireshark-users] VoIP RTP Analysis, Lost Packet Analysis
Message-ID: <BANLkTi=5Ngzq5OJ6jx51VZ0UegZRRzLLFg () mail gmail com>
Content-Type: text/plain; charset="windows-1252"

On Sat, Apr 9, 2011 at 8:23 AM, Barry Constantine <
Barry.Constantine () jdsu com> wrote:

Hi,



I am analyzing VoIP capture files in Wireshark 1.4 and am confused about
the RTP analysis results.



The jitter results match what I expect, but the packet loss results do not.



I know for a fact that the file contains no packet loss and yet the RTP
analysis screen reports all packets as lost ?negatively? (and gives an odd
-100% value).



Any ideas?



Can you post a sample capture?

-- 
-jp

They were a proud people. In fact, some said they were too proud. If you
asked them why they were so proud, they'd just laugh and say, "We're not
even going to answer that." Later, they were tied to the bumper of a car and
dragged around the block, as onlookers shrieked with delight. But one old
man, who had a banjo, just shook his head and walked away. The crowd noticed
this and set him on fire.

deepthoughtsbyjackhandey.com
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------------------------------

Message: 2
Date: Mon, 11 Apr 2011 07:38:35 +0200
From: "Boonie" <newsboonie () gmail com>
To: <wireshark-users () wireshark org>
Subject: Re: [Wireshark-users] Wireshark-users Digest, Vol 59, Issue 8
Message-ID: <5D2A5A3B66F6488F95338284682777CC@AMD>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
        reply-type=original


----- Original Message ----- 
From: "Barry Constantine" <Barry.Constantine () jdsu com>
To: <wireshark-users () wireshark org>
Sent: Sunday, April 10, 2011 9:05 PM
Subject: Re: [Wireshark-users] Wireshark-users Digest, Vol 59, Issue 8


Sure, but where do I post the capture file to?

Thanks, Barry


You may want to post it here: http://www.cloudshark.org/

But, be aware it is public and you can not erase it.

Dave



------------------------------

Message: 3
Date: Mon, 11 Apr 2011 09:30:22 +0200
From: "RUOFF, LARS (LARS)** CTR **" <lars.ruoff () alcatel-lucent com>
To: Community support list for Wireshark
        <wireshark-users () wireshark org>
Subject: Re: [Wireshark-users] VoIP RTP Analysis, Lost Packet Analysis
Message-ID:
        <23C6087F32FB3A43941E25922F87538E21E556F606 () FRMRSSXCHMBSA2 dc-m alcatel-lucent com>
        
Content-Type: text/plain; charset="us-ascii"


What you describe can happen if you have all packets as duplicates or if they all have the same RTP sequence number.
Your sample capture file will tell us.
If you limit the file to a reasonable size (10 successive RTP packets from the stream will be sufficient to see where 
the problem is), there's no problem for posting it as an attachment on this list.

Lars



________________________________

From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of Barry 
Constantine
Sent: samedi 9 avril 2011 16:24
To: wireshark-users () wireshark org
Subject: [Wireshark-users] VoIP RTP Analysis, Lost Packet Analysis



Hi,

 

I am analyzing VoIP capture files in Wireshark 1.4 and am confused about the RTP analysis results.

 

The jitter results match what I expect, but the packet loss results do not.

 

I know for a fact that the file contains no packet loss and yet the RTP analysis screen reports all packets as lost 
"negatively" (and gives an odd -100% value).

 

Any ideas?

 

Thanks,

Barry



------------------------------

Message: 4
Date: Mon, 11 Apr 2011 10:52:47 +0200
From: "j.snelders" <j.snelders () telfort nl>
To: "Community support list for Wireshark"
        <wireshark-users () wireshark org>
Subject: Re: [Wireshark-users] Wireshark-users Digest, Vol 59, Issue 8
Message-ID: <4CA9A73F000A1BF5 () mail-2-nl mail tiscali sys>
Content-Type: text/plain; charset="US-ASCII"

You can also use YouSendIt:
www.yousendit.com
It is free for files up to 100MB.

My best
Joke

On Mon, 11 Apr 2011 07:38:35 +0200 Boonie wrote:
----- Original Message ----- 
From: "Barry Constantine" <Barry.Constantine () jdsu com>
To: <wireshark-users () wireshark org>
Sent: Sunday, April 10, 2011 9:05 PM
Subject: Re: [Wireshark-users] Wireshark-users Digest, Vol 59, Issue 8


Sure, but where do I post the capture file to?

Thanks, Barry


You may want to post it here: http://www.cloudshark.org/

But, be aware it is public and you can not erase it.

Dave


       




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