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SL(4)		       FreeBSD Kernel Interfaces Manual			 SL(4)

NAME
     sl	-- slip	network	interface

SYNOPSIS
     device sl [count]

DESCRIPTION
     The sl interface allows serial lines to be	used as	network	interfaces
     using the slip protocol.  The sl interface	can use	Van Jacobson TCP
     header compression	and ICMP filtering.  This is arranged by using the
     various link-level	flags to the ifconfig(8) command:

     link0   Enable VJ header compression.
     link1   Suppress ICMP traffic.
     link2   Enable VJ header compression autodetection.  This will turn on
	     the link0 flag as soon as the first VJ-compressed packet has been
	     seen by the driver.

DIAGNOSTICS
     sl%d: af%d	not supported.	The interface was handed a message with
     addresses formatted in an unsuitable address family; the packet was
     dropped.

SEE ALSO
     inet(4), intro(4),	slattach(8), sliplogin(8), slstat(8)

FreeBSD	9.2			August 10, 1996			   FreeBSD 9.2

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO

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