PPP man page on Plan9

Printed from http://www.polarhome.com/service/man/?qf=PPP&af=0&tf=2&of=Plan9

PPP(8)									PPP(8)

       ppp, pppoe, pptp, pptpd - point-to-point protocol

       ip/ppp  [  -CPSacdfu ] [ -b baud ] [ -k keyspec ] [ -m mtu ] [ -M chat‐
       file ] [ -p dev ] [ -x netmntpt ] [ -t modemcmd ] [ local [ remote ] ]

       ip/pppoe [ -Pd ] [ -A acname ] [ -S srvname ] [ -k keyspec ] [ -m mtu ]
       [ -x pppnetmntpt ] [ ether ]

       ip/pptp [ -dP ] [ -k keyspec ] [ -w window ] [ -x pppnetmntpt ] server

       ip/pptpd [ -d ] [ -p pppnetmtpt ] [ -w window ] [ -D fraction ] tcp-dir

       The  Point-to-Point  Protocol  is used to encapsulate Internet Protocol
       packets in IPv4 packets for transfer over serial lines or other	proto‐
       col  connections.   Ppp	can  run  either  as  a client or, with the -S
       option, as a server.  The only  differences  between  a	client	and  a
       server is that the server will not believe any local address the client
       tries to supply it and that the server always initiates the authentica‐
       tion of the client.

       With  no	 option,  ppp communicates with the remote system via standard
       input and output.  This is useful if a program wants to use  ppp	 in  a
       communications stream.  However, the normal mode is to specify a commu‐
       nications device, usually a serial line with a modem.

       Ppp supports the following options:

       a  as server, don't request authentication from the client

       b  set the baud rate on the communications device

       c  disallow packet compression

       C  disallow IP header compression

       f  make PPP add HDLC framing.  This is necessary when using PPP over  a
	  serial line or a TCP connection

       k  add  keyspec	to the factotum(4) key pattern when looking for a user
	  name and password for authentication; the  default  key  pattern  is
	  proto=pass service=ppp

       m  set the maximum transfer unit (default 1450)

       M  chat with the modem as specified in the chat file.  Each line in the
	  chat file contains a string that is transmitted to the modem and the
	  response expected (e.g. 'AT' 'OK')

       P  use  this as the primary IP interface; set the default route through
	  this interface and write its configuration to /net/ndb

       p  communicate over dev instead of standard I/O

       S  run as a server

       t  before starting the PPP protocol, write modemcmd to the device

       u  before starting the PPP protocol with the remote end, shuttle	 bytes
	  between  the device and standard I/O until an EOF on standard input.
	  This allows a user to start ppp and then type commands  at  a	 modem
	  before ppp takes over

       x  use the IP stack mounted at netmntpt

       If  both	 the  local  and remote addresses are specified, don't ask the
       other end for either or believe it if it supplies one.	If  either  is
       missing, get it from the remote end.

       Pppoe is a PPP over ethernet (PPPoE) client.  It invokes ppp to start a
       PPP conversation which is tunneled in PPPoE  packets  on	 the  ethernet
       device  mounted	at etherdir (default /net/ether0).  The pppoe-specific
       options are:

       A  insist on an access concentrator named acname during PPPoE discovery

       d  write debugging output to standard error, and pass -d to ppp

       S  insist on a service named srvname during PPPoE discovery

       The other options are relayed to ppp.

       Pptp is a client for a PPTP encrypted tunnel.  Server is	 the  name  of
       the  server  to dial.  Pptp takes the same options as pppoe, except for
       the lack of a -m option and the addition of a -w option.	 The -w option
       specifies the local send window size (default 16) in packets.

       Pptpd  is  the  server  side of a PPTP encrypted tunnel.	 Tcpdir is the
       directory of a TCP connection to the client.   The  TCP	connection  is
       used  to control the tunnel while packets are sent back and forth using
       PPP inside of GRE packets.  The options are:

       d  write debugging output to standard error.

       D  drop fraction of the received packets.  This is used for testing.

       p  use the IP stack mounted at pppnetmtpt to terminate the PPP  connec‐

       w  set the receive window to window.


       gre in ip(3)

       Ppp  should  use	 factotum to execute the client side of the challenge-
       reponse protocol, but instead it reads a	 password  from	 factotum  and
       runs the protocol itself.

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