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SL(4)			 BSD 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 us-
     ing 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	ad-
     dresses formatted in an unsuitable	address	family;	the packet was
     dropped.

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

BSD				August 10, 1996				   BSD

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO

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