How to install tcpreplay on Linux

Last updated on November 17, 2020 by Dan Nanni

tcpreplay is a suite of command-line utilities that are used to replay previously captured packet dumps in a real network. In order to use tcpreplay, you first need to capture live network traffic using packet capture tools such as tcpdump, rewrite TCP/IP packet headers of the captured packets appropriately (usually MAC and IP addresses), and then re-inject the packets on to any arbitrary network under consideration.

tcpreplay is useful when you are testing network devices and middleware, such as routers, switches, firewalls and intrusion detection/prevention systems, because it allows you to test the devices under a controlled environment using reproducible scenarios.

If you would like to install tcpreplay on Linux, you can refer to the following distro-specific instructions.

Install tcpreplay on Ubuntu or Debian

$ sudo apt-get install tcpreplay

Install tcpreplay on Fedora

$ sudo yum install tcpreplay

Install tcpreplay on CentOS/RHEL 5

First set up RPMforge repository on your system. Then, install tcpreplay using yum.
$ sudo yum install tcpreplay

Install tcpreplay on CentOS/RHEL 6 and higher

You need to build tcpreplay from the source and install it manually as follows.

$ sudo yum groupinstall "Development Tools"
$ sudo yum install libpcap-devel
$ wget
$ tar xvfvz tcpreplay-3.4.4.tar.gz
$ cd tcpreplay-3.4.4
$ ./configure --enable-dynamic-link
$ make
$ sudo make install

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