pppoed man page on FreeBSD

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PPPOED(8)		  BSD System Manager's Manual		     PPPOED(8)

     pppoed — handle incoming PPP over Ethernet connections

     pppoed [-Fd] [-P pidfile] [-a name] [-e exec | -l label] [-n ngdebug]
	    [-p provider] interface

     The pppoed utility listens to the given interface for PPP over Ethernet
     (PPPoE) service request packets, and actions them by negotiating a ses‐
     sion then invoking a ppp(8) program.  The negotiation is implemented by
     the “pppoe” netgraph node.	 See ng_pppoe(4) for details.

     The pppoed utility will only offer services to clients requesting ser‐
     vices from the given provider, which is taken as an empty name if not
     provided.	If a provider name of “*” is given, any PPPoE requests will be
     offered service.

     The supplied name will be given as the access concentrator name when
     establishing the connection.  If no name is given, the current base host‐
     name is used.

     After receiving a request (PADI) from the PPPoE netgraph node, pppoed
     fork(2)s a child process and returns to service further requests.	The
     child process offers service (using name) and waits for a SUCCESS indica‐
     tion from the PPPoE node.	On receipt of the SUCCESS indication, pppoed
     will execute

	   exec /usr/sbin/ppp -direct label

     as a shell sub-process.  If label has not been specified, it defaults to
     provider.	It is possible to specify another command using the exec argu‐
     ment.  This is mandatory if provider and label are not given.  The child
     process will have standard input and standard output attached to the same
     netgraph(4) data socket (see ng_socket(4)) when started.

     The environment variables HISMACADDR and ACNAME are made available to the
     child process and are set to the MAC address of the peer and the name of
     the AC respectively.

     Upon invocation, pppoed will attach a “pppoe” netgraph node to the rele‐
     vant “ether” node using “interface:” as the node name, and then connect
     that “pppoe” node to a local “socket” node.  If the -F option has not
     been given, pppoed will then go into the background and disassociate
     itself from the controlling terminal.  When the -F option is given,
     pppoed stays in the foreground.

     If the -d option is given, additional diagnostics are provided (see the
     DIAGNOSTICS section below).  If the -n option is given, NgSetDebug() is
     called with an argument of ngdebug.

     If pidfile is given, pppoed will write its process ID to this file on

     After creating the necessary netgraph(4) nodes as described above, pppoed
     uses syslogd(8) to report all incoming connections.  If the -d option is
     given, pppoed will report on the child processes creation of a new net‐
     graph socket, its service offer and the invocation of the ppp(8) program.
     If the -n option is given, netgraph diagnostic messages are also redi‐
     rected to syslogd(8).

     It is sometimes useful to add the following to /etc/syslog.conf:

	   *.*				   /var/log/pppoed.log

     and the following to /etc/newsyslog.conf:

	   /var/log/pppoed.log		 640  3	      100    *	   Z

     NgSetDebug(3), netgraph(4), ng_ether(4), ng_pppoe(4), ng_socket(4),
     syslog.conf(5), ppp(8), syslogd(8)

     The pppoed utility was written by Brian Somers ⟨brian@Awfulhak.org⟩ and
     first appeared in FreeBSD 3.4.

     If another netgraph node is using the given interface, pppoed will fail
     to start.	This is because netgraph(4) does not currently allow node
     chaining.	This may change in the future.

BSD			       November 8, 1999				   BSD

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