NAME
ppp —
point to point protocol network
interface
SYNOPSIS
options PPP_BSDCOMP
options PPP_DEFLATE
options PPP_FILTER
pseudo-device ppp
DESCRIPTION
The
ppp interface allows serial lines to be used as network
interfaces using the
Point-to-Point Protocol (PPP). The
ppp interface can use various types of compression and has
many features over the SLIP protocol used by the
sl(4) interface.
Supported options are:
- options
PPP_BSDCOMP
- Enable support for BSD-compress (`bsdcomp') compression in
ppp.
- options
PPP_DEFLATE
- Enable support for deflate compression in ppp.
- options
PPP_FILTER
- This option turns on
pcap(3) based filtering for
ppp connections. This option is used by
pppd(8) which needs to be
compiled with PPP_FILTER defined (the current
default).
DIAGNOSTICS
- ppp%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),
sl(4),
pppd(8),
pppstats(8)
The Point-to-Point Protocol (PPP),
RFC 1661, July 1994.
HISTORY
The
ppp device appeared in
NetBSD 1.0.
BUGS
Currently, only the
ip(4) and
ip6(4) protocols are
supported.