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NG_SPLIT(4)              BSD Kernel Interfaces Manual              NG_SPLIT(4)

NAME
     ng_split -- netgraph node to separate incoming and outgoing flows

SYNOPSIS
     #include <&lt;netgraph/ng_split.h>&gt;

DESCRIPTION
     The split node type is used to split a bidirectional stream of packets
     into two separate unidirectional streams of packets.

HOOKS
     This node type supports the following three hooks:

     in      Packets received on in are forwarded to mixed.

     out     Packets received on out will be discarded as illegal.

     mixed   Packets received on mixed are forwarded to out.

CONTROL MESSAGES
     This node type supports only the generic control messages.

SHUTDOWN
     This node shuts down upon receipt of a NGM_SHUTDOWN control message, or
     when all hooks have been disconnected.

SEE ALSO
     netgraph(4), ngctl(8)

HISTORY
     The ng_split node type was implemented in FreeBSD 3.5 but incorporated
     into FreeBSD in FreeBSD 5.0.

AUTHORS
     Julian Elischer <julianATFreeBSD.org>
     Vitaly V. Belekhov <vitalyATriss-telecom.ru>

BSD                            February 19, 2001                           BSD