[Webtest] Setting multiple OUTPUT (source) ip addresses with Webtest... can it be done?

Marc Guillemot Marc Guillemot <mguillemot@yahoo.fr>
Tue, 3 Apr 2007 23:08:40 -0700 (PDT)


WebTest uses HtmlUnit which itself uses jakarta commons-httpclient as "http
client". If your scenario is possible then it will be within
commons-httpclient and it should be configurable from you WebTest script.
See http://jakarta.apache.org/commons/httpclient/


tenzing wrote:
> I'm writing a script to simulate multiple users coming from one machine.
> Each user (test scenario) needs to appear to be coming FROM a different IP
> address... 
> The destination IP Address of all tests will be the same (the web
> server)... so that's easy.
> We used to do this with some iptables trickery on a 2nd machine
> (effectively a router)
> We then hit that machine's ip on different ports from canoo webtest. These
> ports were then translated into multiple outgoing ip addresses, which then
> hit the server.
> It worked great, but it's a bit clunky. We've since written some other
> (java) code that can select it's output ip from a list of interfaces
> (aliased), which works MUCH better, and doesn't require a second machine.
> So... can it be done without hacking the canoo source to bits?
> Thanks,
> - zevo

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