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 Ja - cobson 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 mes
- sage with
addresses 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