nettest Command-Line Syntax

target=h1+h2+...

A list of test targets by host name or Internet address. 

dev=interface

Network interface name. The default value is le0 for Ethernet networks.

test=type

The test type. Type Random, Increment, or Pattern for the desired test. The default value is Random+Increment+Pattern where all tests run.

packets=n

Number of random/pattern packets. The default is 256.  

pattern=hex

Specifies a data pattern, in hexadecimal form. The default is all patterns from 0 to 0xff.

timeout=seconds

Indicates the number of seconds to wait before a timeout; the default is 120 seconds. 

retry=n

Indicates the number of test timeout retries; the default is three retries.  

warn

When enabled, prints warning messages.