tcpreplay for testing network stacks

[Vijay Kumar Banerjee]

On Wed, Apr 28, 2021 at 12:45 AM Chris Johns <chrisj at rtems.org> wrote:
>
> On 28/4/21 2:48 am, Vijay Kumar Banerjee wrote:
> > I came across the tcpreplay tool and it looks like a nice tool for testing the
> > network stacks. It can be used to capture network traffic and then play it back,
> > this will help with testing the network packets from different network stacks.
> >
> > My proposal is to add the tcpreply as a host-side tool in rtems-tools and use it
> > with the network interface where the network application is running. The only
> > issue that I see with the whole idea is that the tcpreplay is GPLv3 licensed.
> > Will that be compatible for rtems-tools? The github repository says that it's
> > compatible with UNIX and Windows with cygwin.
> >
> > Source repository:https://github.com/appneta/tcpreplay
> > <https://github.com/appneta/tcpreplay>
> >
> > Thoughts and suggestions are much appreciated.
>
> It is GPLv3 so it cannot be imported as source. It can be referenced as a
> command if available for the host.
>
Ok.

> I also suggest you investigate VDE with qemu. This is what I use to avoid being
> root.
>
VDE looks great, I haven't tried it before. Thanks for the suggestion!
I'll try this out. Can write some rtems-test recipes with VDE to
automate the run? will that be feasible/possible?


> Chris