From: ehiwe peter (ccie.in.nigeria@gmail.com)
Date: Wed Jul 09 2008 - 06:13:15 ART
use gns3 version 3.05 right click on the link u wish to capture and click
capture.This will show d traffic on that segment as long as u have wireshark
installed
On Tue, Jul 8, 2008 at 4:43 PM, Carlos G Mendioroz <tron@huapi.ba.ar> wrote:
> FTR, adding tap support to dynamips does the trick.
> (win32, that is, linux was already there)
>
> Now I can see the traffic realtime in any point :)
>
> -Carlos
>
> Carlos G Mendioroz @ 28/06/2008 14:18 -0300 dixit:
>
> Dear all:
>> I've been trying to do something that sounds simple but have been
>> unsuccessful so far. I want to "see" traffic at different points
>> of a topology using a sniffer (i.e. wireshark).
>>
>> So idea was... but a hub (virtual, of course) in different places and
>> connect to a loopback interface and take a peek wherever. No luck.
>> I don't want to put IP addresses there (desktop) cause it would be
>> modifying my desktop routing, and my desktop is part of the topology.
>>
>> Problem seems to be that both wireshark and dynamips use pcap, and
>> they are not able to see injected packets. I thought a loopback would
>> work... but it does not, or I am doing something wrong.
>>
>> The only way I was able to do it is by having a real hub short circuiting
>> two real interfaces and puting one in the virtual hub and
>> using wireshark in the other. Is there anything like a tun/tap pair
>> for windows ? Or is there a way for dynamips to "drive" the tap
>> interface like [pqj]emu does ?
>>
>> Hoping for some light to do it :)
>> -tron
>>
>>
> --
> Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
>
>
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