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SL (4) | Special files and drivers | Unix Manual Pages | :man

NAME

sl - slip network interface

CONTENTS

Synopsis
Description
Diagnostics
See Also

SYNOPSIS


.Cd "device sl" Op Ar 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)


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