RTACCT(8)                  System Manager's Manual                 RTACCT(8)

NAME         top

       nstat, rtacct - network statistics tools.

SYNOPSIS         top

       Usage: nstat [ -h?vVzrnasd:t:jp ] [ PATTERN [ PATTERN ] ]
       Usage: rtacct [ -h?vVzrnasd:t: ] [ ListOfRealms ]

DESCRIPTION         top

       nstat and rtacct are simple tools to monitor kernel snmp counters and
       network interface statistics.

OPTIONS         top

       -h, --help Print help

       -V, --version
              Print version

       -z, --zeros
              Dump zero counters too. By default they are not shown.

       -r, --reset
              Reset history.

       -n, --nooutput
              Do not display anything, only update history.

       -a, --ignore
              Dump absolute values of counters. The default is to calculate
              increments since the previous use.

       -s, --noupdate
              Do not update history, so that the next time you will see
              counters including values accumulated to the moment of this
              measurement too.

       -j, --json
              Display results in JSON format.

       -p, --pretty
              When combined with --json, pretty print the output.

       -d, --scan <INTERVAL>
              Run in daemon mode collecting statistics. <INTERVAL> is
              interval between measurements in seconds.

       -t, --interval <INTERVAL>
              Time interval to average rates. Default value is 60 seconds.

SEE ALSO         top


COLOPHON         top

       This page is part of the iproute2 (utilities for controlling TCP/IP
       networking and traffic) project.  Information about the project can
       be found at 
       If you have a bug report for this manual page, send it to,  This page was obtained
       from the project's upstream Git repository
       ⟨⟩ on
       2020-02-08.  (At that time, the date of the most recent commit that
       was found in the repository was 2020-01-29.)  If you discover any
       rendering problems in this HTML version of the page, or you believe
       there is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to

                                27 June, 2007                      RTACCT(8)