iperf

Internet Protocol bandwidth measuring tool

Description

Iperf is a modern alternative for measuring TCP and UDP bandwidth performance, allowing the tuning of various parameters and characteristics.

Features:

* Measure bandwidth, packet loss, delay jitter

* Report MSS/MTU size and observed read sizes.

* Support for TCP window size via socket buffers.

* Multi-threaded. Client and server can have multiple simultaneous

connections.

* Client can create UDP streams of specified bandwidth.

* Multicast and IPv6 capable.

* Options can be specified with K (kilo-) and M (mega-) suffices.

* Can run for specified time, rather than a set amount of data to transfer.

* Picks the best units for the size of data being reported.

* Server handles multiple connections.

* Print periodic, intermediate bandwidth, jitter, and loss reports at

specified intervals.

* Server can be run as a daemon.

* Use representative streams to test out how link layer compression affects

your achievable bandwidth.

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