Re: [uml-devel] Connecting UML_SWITCH and Wireshark

[vincent-perrier <vincent-perrier@club-internet.fr>]

Hello Julien
I find Xorg/gtk very very usefull! even if I too work only in
terminals with command-line interfaces.
As I plan to have sip softphones in my next uml machines, I have to
have all the necessary gui (including a java machine).
But if you really want to spy ip packets without gtk, use tshark,
it is also a fantastic piece of software.
Cheers
Vincent Perrier

Le mardi 02 septembre 2008 à 10:39 +0200, Julien Iguchi-Cartigny a
écrit :
> Hello Vincent,
> 
> Netkit doesn't support X, and I don't want it anyway, as the user has
> already several terminals on his screen (one by UML machine).
> 
> I want Wireshark to be running on the host computer, and I don't want to
> use the TAP solution (students using the simulator don't have root access).
> 
> So, the only way is to connect wireshark on uml_switch (how ?).
> 
> Cheers,
> 
> Julien.
> 
> vincent-perrier wrote:
> > Hello
> > I made another network simulator (clownix.net) and I just run
> > wireshark inside the uml machines, I do not see why you have 
> > troubles to see ip frames.
> > 
> > 
> > 
> > 
> > Le lundi 01 septembre 2008 à 17:44 +0200, Julien Iguchi-Cartigny a
> > écrit :
> >> Hello,
> >>
> >> (seems a developper question, apologies if it's more a user (moron)
> >> question)
> >>
> >> I'm using Netkit (www.netkit.org): it's a network simulator using UML
> >> and I want to show packets exchanged between the UML machines. I believe
> >> the best way is to
> >>
> >> - use wireshark with the flag "-" to capture packets in the standard input.
> >> - use netcat to read the data socket of uml_switch and print to the
> >> standard output
> >>
> >> But uml_switch uses a ctl socket to open new port. I need a way to
> >> manually open a port by uml_switch to connect netcat. I don't think
> >> uml_switch offer command-line instruction for this, so is the best way
> >> to write a short program writing on the ctl socket of uml_switch ? If
> >> yes, what data to send to uml_switch ?
> >>
> >> Cheers,
> >>
> >> Julien.
> >>
> >>
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> 


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