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TAYGA(8)							      TAYGA(8)

NAME
       tayga - stateless NAT64 daemon

SYNOPSIS
       tayga [OPTION]...

       tayga --mktun [OPTION]...

       tayga --rmtun [OPTION]...

DESCRIPTION
       TAYGA  is  a stateless NAT64 daemon for Linux.  Using the in-kernel TUN
       network driver, TAYGA receives IPv4 and IPv6 packets  from  the	host's
       network	stack,	translates  them to the	other protocol,	and then sends
       the translated packets back to the host using the same TUN interface.

       Translation is compliant	with  IETF  Internet-Draft  draft-ietf-behave-
       v6v4-xlate-23,  and address mapping is performed	in accordance with RFC
       6052.  Optionally, TAYGA	may be	configured  to	dynamically  map  IPv6
       hosts to	addresses drawn	from a configured IPv4 address pool.

       As  a  stateless	 NAT, TAYGA requires a one-to-one mapping between IPv4
       addresses and IPv6 addresses.  Mapping multiple IPv6 addresses  onto  a
       single  IPv4  address can be achieved by	mapping	IPv6 addresses to pri-
       vate IPv4 addresses with	TAYGA and then using a stateful	NAT44 (such as
       the  iptables(8)	 MASQUERADE  target) to	map the	private	IPv4 addresses
       onto the	desired	single IPv4 address.

       TAYGA's configuration is	stored in the  tayga.conf(5)  file,  which  is
       usually found in	/etc/tayga.conf	or /usr/local/etc/tayga.conf.

INVOCATION
       Without	the --mktun or --rmtun options,	the `tayga` executable runs as
       a daemon, translating packets as	described above.

       The --mktun and --rmtun options instruct	TAYGA to  create  or  destroy,
       respectively, its configured TUN	device as a "persistent" interface and
       then immediately	exit.

       Persistent TUN devices remain present on	 the  host  system  even  when
       TAYGA  is  not  running.	  This allows host-side	network	parameters and
       firewall	rules to be configured prior to	commencement of	packet	trans-
       lation.	This may simplify network configuration	on the host; for exam-
       ple, systems which use a	Debian-style /etc/network/interfaces file  may
       configure  TAYGA's  TUN	device at boot by running `tayga --mktun` as a
       "pre-up"	command	and then configuring the TUN device as any other  net-
       work interface.

OPTIONS
       -c configfile | --config	configfile
	      Read configuration options from configfile

       -d     Enable debug messages (enables --nodetach	as well)

       -n | --nodetach
	      Do not detach from terminal

       -u userid | --user userid
	      Set uid to userid	after initialization

       -g groupid | --group groupid
	      Set gid to groupid after initialization

       -r | --chroot
	      chroot() to data-dir (specified in config	file)

       -p pidfile | --pidfile pidfile
	      Write process ID of daemon to pidfile

AUTHOR
       Written by Nathan Lutchansky <lutchann@litech.org>

COPYRIGHT
       Copyright (C) 2010 Nathan Lutchansky
       License GPLv2+: GNU GPL version 2 or later
       This  is	 free  software:  you  are free	to change and redistribute it.
       There is	NO WARRANTY, to	the extent permitted by	law.

SEE ALSO
       tayga.conf(5)
       <http://www.litech.org/tayga/>

TAYGA 0.9.2			   June	2011			      TAYGA(8)

NAME | SYNOPSIS | DESCRIPTION | INVOCATION | OPTIONS | AUTHOR | COPYRIGHT | SEE ALSO

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