Wireshark-dev: Re: [Wireshark-dev] How to find duplicate packets with time interval less than 2
From: "Luis EG Ontanon" <[email protected]>
Date: Thu, 27 Nov 2008 18:28:33 +0100
The issue there is that you'll need a buffer whose size is
indeterminate (you can get way more than 4 packets in 2ms).

So the buffer should adjust.

BTW if you add a parameter for the time window it would be certainly
more useful.


On Fri, Nov 28, 2008 at 4:13 AM, Petr Janata <[email protected]> wrote:
> Stephen Fisher napsal(a):
>> On Thu, Nov 27, 2008 at 11:43:58PM +0100, Petr Janata wrote:
>>
>>
>>> I am traiyng to modify editcap, because there is parameter '-d' for
>>> skipping duplicate packets. I am going to filter those packets witche
>>> have time interval less then 2ms. Do you have any idea?
>>>
>>
>> According to editcap's man page, "the length and MD5 sum of the MD5 sum
>> of the current packet are compared to the previous four packets."  Do
>> you want to change this to 2ms instead?
>>
>>
>> Steve
>>
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> If I compare MD5 checksum I can find duplicate packets. I 'd like to add
> new parameter '-di' into the editcap.  The algorithm skip only pakets
> that are duplicated and also the time interval betwean them is less than
> 2ms.
>
> Petr
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