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REHA DIRI avatar Ubuntu

Client Server socket applications on the same host but communication externally

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REHA DIRI

I need to test a 10 Gbits/sec high speed ethernet switch performance using a high end Ubuntu Server. I am trying to find out the time consuming externally in microseconds. So i have written a simple client socket app and server socket app for this purpose . When i run them in different hosts they are working fine but unfortunately i have a single 10 Gbit/sec network interface card with two ports residing in the same Ubuntu Server.

When I install and run the client and server app in this Ubuntu Server , socket communication stays in the Ubuntu host , external communication doesn't occur. How can i force Ubuntu not to communicate internally and use the external switch.

Thanks

Here is my client code

def init_client_socket():

    s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    server_addr = '192.168.1.34'

    s1.bind(('192.168.0.101',9999))

    s1.connect((server_addr, 9999))

    print('Connected as ', server_addr )

    return s1
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