[Click] generating random destination IP packets?

[Beyers Cronje]

Oops, sorry Azeem. I didn't know about StoreIPAddress :)

On 4/19/07, Eddie Kohler <kohler at cs.ucla.edu> wrote:
>
> Hi Azeem,
>
> You are missing one additional step: StoreIPAddress.
>
> FastUDPSource -> SetRandIPAddress -> StoreIPAddress(16) ->
> SetUDPChecksum -> SetIPChecksum should do it.
>
> If you are really trying to max out your outgoing bandwidth, you might
> want to alter FastUDPSource to set random destination IP addresses
> yourself, to avoid the additional checksums.  But don't optimize
> prematurely, of course: wait and see if you have a problem.
>
> Eddie
>
>
> Azeem Khan wrote:
> > Hello everyone,
> >
> >    I wish to generate UDP/IP packets with random destination IP
> addresses at different rates.  From reading the Click element documentation,
> I believe that FastUDPSource + SetRandIPAddress + SetUDPChecksum +
> SetIPChecksum should do the trick. Am I correct?
> >
> >    Will SetRandIPAddress also set the IP destination address randomly
> besides the annotation?
> >
> >    If so, can anyone give me an example on how to use the
> SetRandIPAddress element? I cannot seem to get it right. I am not clear on
> what the arguments mean.
> >
> >
> > Thank You.
> >
> > Azeem Khan
> > Bombay, India.
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