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MCASTSEND(1)           DragonFly General Commands Manual          MCASTSEND(1)


NAME

     mcastsend - send multicast packets


SYNOPSIS

     mcastsend [-l hop_limit] [-i interface] [-s scope] [-h] address port
               [file]


DESCRIPTION

     The mcastsend utility reads the given file (or the standard input if no
     file is specified) and sending them to the multicast address you
     specified.  Also you must specify UDP port number or service name as seen
     on services(5).

     The options are as follows:

     -l hop_limit
                 Specify the number of hop limit.  By default, it depends on
                 the system default value.

     -i interface
                 Specify the interface name to use sending packets.  By
                 default, kernel will decide.

     -s scope    (IPv6 only) Specify the hint in order to decision of source
                 IP address to send packets.  By default, global scope is
                 applied.  If you don't specify interface, mcastsend ignores
                 this option.  scope takes one of the following numeric:

                 1    node local
                 2    link local
                 5    site local
                 14   global

     -h          Show this help message.


RETURN VALUES

     mcastsend will exit with positive value on errors.


SEE ALSO

     mcastread(1), sysctl(8)


HISTORY

     The mcastsend command first appeared in WIDE/KAME IPv6 protocol stack
     kit.

KAME                             July 29, 1999                            KAME

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