This will probably be more convenient than reading the strace log:Ĭreate a test network namespace: ip netns add testĬreate a pair of virtual network interfaces (veth-a and veth-b): ip link add veth-a type veth peer name veth-bĬhange the active namespace of the veth-a interface: ip link set veth-a netns testĬonfigure the IP addresses of the virtual interfaces: ip netns exec test ifconfig veth-a up 192.168.163.1 netmask 255.255.255.0 Otherwise, but that's specific to Linux, you can run the process in an isolated network namespace and use wireshark to monitor the traffic. To monitor an existing process with a known PID: strace -p $PID -f -e trace=network -s 10000 To start and monitor an new process: strace -f -e trace=network -s 10000 PROCESS ARGUMENTS 8.I found this answer on askubuntu, but it's valid for Unix: However, you can check out the manpage ( man iperf / man iperf3) or the documentation. I won’t go into those, since it is beyond the scope of this article. IPerf is a widely used tool that has a lot of specific uses and many options. The iPerf3 team has a list of servers to use for testing purposes. This can be either an IP address, or something like. Where server_address is, of course, the address of the server you are trying to connect to. To connect to another machine and run a test, you’ll use: iperf -c server_address This will open the machine for listening on port 5001. To run iPerf, you need a minimum of 2 machines: one to act as a client and one to act as a server. However, doing so will only display your options. Note: For all further examples, if you are using iPerf3 simply replace all instances of iperf with iperf3.
Then you can just run the one you want: iperf For example, in Ubuntu: sudo apt install iperf The easiest way to install (or remove) iPerf or iPerf3 is using the package manager. There are two implementations: the original iPerf (iPerf2) and a non-backwards compatible implementation iPerf3.
It has client and server functionality, and can create data streams to measure bandwidth, loss and other parameters between the two ends in one or both directions. IPerf is tool used for network performance measurement and tuning and can produce standardized performance measurements for any network.
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