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–Logfile file: send the output to a log file (iperf 3.1 only).-V: output with all the details (verbose).-B host: allows binding to a specific network card, ideal if we have multiple interfaces.On the server it is what is read from the network and written to a file. -F filename: on the client is the file read and written on the local network, instead of using random information.-i interval: time interval measured in seconds where iperf3 will show us all the information on bandwidth, jitter and packet loss.-f format: we can choose the unit of measurement that will appear when we see the speed.–Cport port: this option allows us to specify the port on the client side, only for iperf 3.1 or higher.-p port: we can choose the port to use, either TCP or UDP, this port must be exactly both on the server and on all clients.The following arguments can be entered after the execution of the program itself, as follows: “iperf3 -arguments” and the order when entering the arguments does not matter. General configuration options: for client and server
MAC WIFI SPEED TEST HOW TO
Once we know how to perform a basic performance test with iperf3, we are going to show you all the options available in this program.
MAC WIFI SPEED TEST ZIP FILE
Once downloaded, we will have to unzip the ZIP file and we will be able to execute it, but in this case we do not have a graphical user interface or an executable script, we must execute it through the command line, either in Windows or Linux / MacOS. This program continues its development, on the official Iperf3 website you have the latest versions available for the different operating systems. This new iperf3 program is BSD licensed, that means it is open source and cross-platform, it is compatible with Windows, Linux, Android, MacOS X, FreeBSD, OpenBSD, NetBSD, VxWorks, Solaris operating systems and many others. Other new features incorporated are the possibility of ignoring TCP Slowstart from the TCP protocol itself, setting the bandwidth for UDP or TCP, setting a flow label for IPv6, configuring the congestion control algorithm, and the possibility of getting all the information in format JSON, and we can even carry out read and write tests directly on the hard disk. We can also make the iperf server work as a daemon in the operating system.
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Other important features of iperf3 are the ability to periodically show the connection status, the bandwidth so far, the jitter, the packet loss, etc. Of course, we can run it for a certain time, or defining a certain amount of data to send. The client allows to establish multiple simultaneous connections with the server, in addition, the server is capable of receiving multiple simultaneous connections from several different sources. Regarding UDP, the client can create different UDP data streams, allows to measure packet loss, jitter (delay jitter), and even supports multicast. Regarding the TCP and SCTP protocols, it is able to measure the bandwidth, report the size of the MTU (Maximum Transfer Unit) and the MSS (Maximum Segment Size), in addition, it also supports to configure the TCP window size through the socket buffer.