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DISC(4)		       FreeBSD Kernel Interfaces Manual		       DISC(4)

NAME
     disc -- software discard network interface

SYNOPSIS
     device disc

DESCRIPTION
     The disc interface	is a software discard mechanism	which may be used for
     performance analysis and/or software testing.  As with other network
     interfaces, the discard interface must have network addresses assigned
     for each address family with which	it is to be used.  These addresses may
     be	set or changed with the	SIOCSIFADDR ioctl(2).

     Each disc interface is created at runtime using interface cloning.	 This
     is	most easily done with the ifconfig(8) create command or	using the
     cloned_interfaces variable	in rc.conf(5).

SEE ALSO
     inet(4), intro(4)

HISTORY
     The disc device appears to	have been derived from the lo(4) device	around
     the time of 4.4BSD.  This manpage was adapted from	lo(4) and first
     appeared in FreeBSD 5.0.

FreeBSD	11.0			 May 25, 2002			  FreeBSD 11.0
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY

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