btpand man page on FreeBSD

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

NAME
     btpand — Bluetooth PAN daemon

SYNOPSIS
     btpand [-i ifname] [-m mode] -a addr -d device
	    {-s service | -S service [-p psm]}
     btpand [-c path] [-i ifname] [-l limit] [-m mode] [-p psm] -d device
	    {-s service | -S service}

DESCRIPTION
     The btpand daemon handles Bluetooth Personal Area Networking services in
     the system.  It can operate in client mode as a Personal Area Networking
     User (PANU) or in server mode as Network Access Point (NAP), Group ad-hoc
     Network (GN) or PANU host.	 btpand connects to the system via a tap(4)
     virtual Ethernet device and forwards Ethernet packets to remote Bluetooth
     devices using the Bluetooth Network Encapsulation Protocol (BNEP).

     The PANU client is the device that uses either the NAP or GN service, or
     can talk directly to a PANU host in a crossover cable fashion.

     A GN host forwards Ethernet packets to each of the connected PAN users as
     needed but does not provide access to any additional networks.

     The NAP service provides some of the features of an Ethernet bridge, with
     the NAP host forwarding Ethernet packets between each of the connected
     PAN users, and a different network media.

     Note, the only differences between NAP and GN services as implemented by
     btpand are in the SDP service record.  The bridging of packets by the NAP
     must be configured separately.

     The options are as follows:

     -a address	 In client mode, address of remote server.  May be given as
		 BDADDR or name, in which case btpand will attempt to resolve
		 the address via the bt_gethostbyname(3) call.

     -c path	 In server mode, specify path to the sdpd(8) control socket.
		 The default path is /var/run/sdp.

     -d device	 Restrict connections to the local device.  May be given as
		 BDADDR or name, in which case btpand will attempt to resolve
		 the address via the bt_devaddr(3) call.  btpand will set the
		 tap(4) interface physical address to the BDADDR of the Blue‐
		 tooth radio.

     -i ifname	 btpand uses the tap(4) driver to create a new network inter‐
		 face for use.	Use this option to select a specific tap(4)
		 device interface which must already be created.

     -l limit	 In server mode, limit the number of simultaneous connections.
		 The default limit is 7 for NAP and GN servers, and 1 for a
		 PANU server.

     -m mode	 Set L2CAP connection link mode.  Supported modes are:

		 auth	       require devices to be paired.
		 encrypt       auth, plus enable encryption.
		 secure	       encryption, plus change of link key.

		 NOT YET SUPPORTED.  Use global device settings to set authen‐
		 tication and encryption.

     -p psm	 Use an alternative L2CAP Protocol/Service Multiplexer (PSM)
		 for server mode or client mode (when not using Service
		 Discovery).  The default PSM for BNEP is 15 (0x000f).

     -s service	 Name of service to provide or connect to, the following ser‐
		 vices are recognised:

		 GN	       Group ad-hoc Network.
		 NAP	       Network Access Point.
		 PANU	       Personal Area Networking User.

     -S service	 As per -s except that btpand will not use SDP services for
		 connection setup.

     When providing networking services, the Bluetooth PAN profile says that
     the ‘Class of Device’ property of the bluetooth controller SHALL include
     Networking capability (set bit 0x020000).	See hccontrol(8) for details.

     After btpand has set up the client or server connection and opened the
     tap(4) interface, it will create a pid file and detach.

EXIT STATUS
     The btpand utility exits 0 on success, and >0 if an error occurs.

FILES
     /dev/tap
     /etc/bluetooth/hosts
     /var/run/sdp
     /var/run/tapN.pid

EXAMPLES
	   ifconfig tap1 create
	   btpand -a host -d mydevice -s NAP -i tap1
	   dhclient tap1

     Will create a connection to the NAP on host, and link that to the tap1
     interface.

	   btpand -d mydevice -s GN

     Will create a Group Network and register the GN service with the local
     SDP server.

SEE ALSO
     bluetooth(3), tap(4), bridge(4), hccontrol(8), dhclient(8), ifconfig(8),
     sdpd(8)

     The "Personal Area Networking Profile" and "Bluetooth Network
     Encapsulation Protocol" specifications are available at
	   http://www.bluetooth.com/

AUTHORS
     Iain Hibbert

BUGS
     There is no way to supply alternative values for the SDP record.

     There is no way to set net type or multicast address filters.

     btpand does not do any address routing except to directly connected uni‐
     cast addresses.  All other packets are multicast.

     As btpand uses the BDADDR of the Bluetooth radio as the physical address
     of the tap, only one instance can be run per radio.

     btpand can only provide a single service.

BSD				August 17, 2008				   BSD
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