How to send HTTP request using virtual IP address in Linux?

Question

I am using CentOS-Linux and I want to send HTTP requests from virtual IP addresses like eth0:0,eth0:1,eth0:2,etc simultaneously with eth0. How to do this? I am actually tring to make one traffic generator tool using Python. I have been successful in sending multiple and concurrent HTTP requests and now my next step is to send such requests from multiple IP addresses. I dont know how to achieve this task. Can anyone help me?

I used following cURL command to send request from eth0:1 " curl--interface 10.91.56.2 http:/10.91.55.3/file0.txt" and I was successful in generating traffic from virtual eth0:1. Can anyone guide me how to do this using python? 10.91.56.2 is my virtual eth0:1 IP interface and 10.91.55.3 is my server address... — Bhoomika Sheth
– Bhoomika Sheth, Commented Nov 24, 2014 at 10:50

Community · Accepted Answer · 2017-05-23 12:21:43Z

0

2 options:

use curl:

curl --i <'interface ip using which you want to generate traffic'> destination

eg for me, eth0's ip is 10.91.56.3 and eth0:1's ip is 10.91.56.4 so, to generate traffic using 10.91.56.4(eth0:1)

curl --i 10.91.56.4 http://10.91.55.3/filex.txt

followed answer by @AKX here

In above answer in 3rd class write your interface's ip instead of 127.0.0.1 eg in my case i did like this:

class BindableHTTPHandler(urllib2.HTTPHandler):
    def http_open(self, req):
        return self.do_open(BindableHTTPConnectionFactory('10.91.56.4'), req)

edited May 23, 2017 at 12:21

CommunityBot

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answered Apr 2, 2015 at 5:34

Bhoomika Sheth

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