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l2tpd.conf(5)							 l2tpd.conf(5)

NAME
       l2tpd.conf - L2TPD configuration	file

DESCRIPTION
       The  l2tpd.conf	file contains configuration information	for l2tpd, the
       implementation of l2tp protocol.

       The configuration file is composed of  sections	and  parameters.  Each
       section	has  a given name which	will be	used when using	the configura-
       tion FIFO (normaly /var/run/l2tp-control). See l2tpd.8	for  more  de-
       tails.

       The specific given name default will specify parameters applicables for
       all the following sections.

GLOBAL SECTION
       auth file
	      Specify  where to	find the authentication	file used to authenti-
	      cate l2tp	tunnels. The default  is  /usr/local/etc/l2tp/l2tp-se-
	      crets.

       Address
	      Specify  which  IP  address l2tpd	should use. The	default	is all
	      addresses.

       Port   Specify which udp	port l2tpd should use. The default is 1701.

       access control
	      If set to	use, the l2tpd process will  only  accept  connections
	      from peers addresses specified in	the following sections.	CHECK

LNS SECTION
       exclusive
	      If  set  to  yes,	 only one control tunnel will be allowed to be
	      built between 2 peers. CHECK

       (no) ip range
	      Specify the range	of ip addresses	the LNS	 will  assign  to  the
	      connecting  LAC PPP tunnels. Multiple ranges can be defined. Us-
	      ing the 'no' statement disallows	the  use  of  that  particular
	      range.   Ranges  are  defined using the format IP	- IP (example:
	      1.1.1.1 -	1.1.1.10)

       (no) lac
	      Specify the ip addresses of LAC's	which are allowed  to  connect
	      to l2tpd acting as a LNS.	The format is the same as the ip range
	      option.

       hidden bit
	      If set to	yes, l2tpd will	use the	AVP hiding feature of L2TP. To
	      get  more	information about hidden AVP's and AVP in general, re-
	      fer to rfc2661 (add URL?)

       local ip
	      Use the following	IP as l2tpd's own ip address.

       length bit
	      If set to	yes, the length	bit present in the l2tp	packet payload
	      will be used.

       (refuse | require) chap
	      Will require or refuse the remote	peer to	get authenticated  via
	      CHAP for the ppp authentication.

       (refuse | require) pap
	      Will  require or refuse the remote peer to get authenticated via
	      PAP for the ppp authentication.

       (refuse | require) authentication
	      Will require or refuse the remote	peer to	authenticate itself.

       unix authentication
	      If set to	yes, /etc/passwd will be used for remote peer ppp  au-
	      thentication.

       hostname
	      Will report this as the l2tpd hostname in	negociation.

       ppp debug
	      This will	enable the debug for pppd.

       pppoptfile
	      Specify  the  path  for a	file which contains pppd configuration
	      parameters to be used.

       call rws
	      This option is deprecated	and no longer functions.  It  used  to
	      be  used	to  define the flow control window size	for individual
	      L2TP calls or sessions.  The L2TP	standard (RFC2661)  no	longer
	      defines flow control or window sizes on calls or sessions.

       tunnel rws
	      This defines the window size of the control channel.  The	window
	      size  is	defined	 as  the  number of outstanding	unacknowledged
	      packets, not as a	number of bytes.

       flow bits
	      If set to	yes, sequence numbers will be included in the communi-
	      cation.  The feature to use sequence numbers in sessions is cur-
	      rently broken and	does not function.

       challenge
	      If set to	yes,  use  challenge  authentication  to  authenticate
	      peer.

LAC SECTION
       The  following  are LAC specific	configuration flags. Most of those de-
       scribed in the LNS section may be used in a LAC context,	where it  make
       common  sense  (essentially l2tp	procotols tuning flags and authentica-
       tion / ppp related ones).

       lns    Set the dns name or ip address of	the LNS	to connect to.

       redial If set to	yes, l2tpd will	attemps	to redial if the call get dis-
	      conected.

       redial timeout
	      Wait X seconds before redial. The	redial option must be  set  to
	      yes to use this option.

       max redial
	      Will give	up redial tries	after X	attempts.

FILES
       /usr/local/etc/l2tp/l2tpd.conf	      /usr/local/etc/l2tp/l2tp-secrets
       /var/run/l2tp-control

BUGS
       Please address bugs and comment to l2tpd-dev@l2tpd.org

SEE ALSO
       l2tpd(8)

AUTHORS
       Jeff McAdams <jeffm@iglou.com>

       Previous	development  was  hosted  at  sourceforge  (http://www.source-
       forge.net/projects/l2tpd) by:

       Scott Balmos <sbalmos@iglou.com>
       David Stipp <dstipp@one.net>
       Jeff McAdams <jeffm@iglou.com>

       Based off of l2tpd version 0.60
       Copyright (C)1998 Adtran, Inc.
       Mark Spencer <markster@marko.net>

Jean-Francois Dive						 l2tpd.conf(5)

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