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From sergio <>
Subject Re: Can't put to Work the property from HTTP Request Source IP address
Date Mon, 06 Feb 2012 08:41:12 GMT
Il 06/02/2012 07:48, Miguel Godinho da Fonseca ha scritto:
> But what I can't do is put it to work!
> I've read that in Jmeter webpage and gave it a try. Configured three IP addresses in
my machine and with a CSV dataset I was trying to force the Source IP address...
> The thing is that the requests are still being sent by other address different from the
ones I have loaded from the CSV dataset file.te
no I did not use a variable ...
The way I worked was a little bit more complicated (but maybe someone has a better way):

- I setup different instances (1 for each address); each instance has its own RMIregistry,
on a different port
- I passed the IP address as a property to each instance

Here I included the script I used to launch everything:
The network address is written in to the script, the last byte is passed as a parameter.
Remember to:
- modify JMeter properties so that RMI registry is not launched automatically;
- use only HttpClient sampler
- split data (e.g. creddentials between instances), as if it were a distributed installation

best regards


> Have you done something special for it to work?
> Miguel Godinho da Fonseca
> Direcção de Sistemas de Informação
> -----Original Message-----
> From: sergio []
> Sent: quinta-feira, 2 de Fevereiro de 2012 17:59
> To: JMeter Users List
> Subject: Re: Can't put to Work the property from HTTP Request Source IP address
> Il 02/02/2012 15:23, sebb ha scritto:
>> On 2 February 2012 14:14, Miguel Godinho da Fonseca
>> <>   wrote:
>>> It's a Kind of restricted!
>>> It's a Bank application that only allows each host or user (they ate not mutual
exclusive) to connected only once.
>>> During login the web application reads the source IP Address and
>>> matches it with a host on the database. So if I'm using Jmeter from
>>> the same host... I'm in trouble :)
> well, you can work around this, but you need to add ALL the IP address you need to the
Jmeter server LAN interface.
> Then, you launch different Jmeter instances passing an IP address to each of them, and
using HTTPclient.
> I did this to test a load balanced infrastructure,and worked pretty well, but I think
you find limitations to few IP addresses (maybe 8 or 10 or so) due to OS limitations.
> regards
>> You are also likely to be in trouble if you try and access the app
>> from behind a NAT router.
>>> So I have thought about using HTTP-Request-Source-IP-address and create separate
LAN cards on my host and use these new addresses.
>>> What I'm saying is that neither HTTP-Request-Source-IP-address or forcing a host
address via httpclient.localaddress.
>>> Can you explain further what do you mean when you say "This only works using
HttpClient sampler "?
>> Have you read:
>> est
>> Read up on "Implementation".
>>> Kind Regards,
>>> Miguel
>>> -----Original Message-----
>>> From: Oliver Lloyd []
>>> Sent: quinta-feira, 2 de Fevereiro de 2012 15:59
>>> To:
>>> Subject: Re: Can't put to Work the property from HTTP Request Source
>>> IP address
>>> When you say 'validates' are you talking about load balancing or some form of
restricted access?
>>> If restricted access then just get the IP addresses of the hosts you are running
jmeter on added to the relevant whitelist of IPs. If load balancing then, basically, jmeter
does not support ip spoofing. Depending on the exact setup of the load balancer algorithm
you can *potentially* get away with simply using multiple hosts to run the test from (keep
in mind some load balancers base traffic on DNS, in this case do some research on 'Java DNS
>>> If your host has multiple IPs then httpclient.localaddress allows you to chose
one for each running instance of jmeter. This only works using HttpClient sampler.
>>> -----
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Ing. Sergio Boso

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