osx man page for ip6

ip6(8)							    BSD System Manager's Manual 						    ip6(8)

NAME
     ip6 -- Enable or disable IPv6 on active interfaces

SYNOPSIS
     ip6 [-ax] [-ud -interface]

DESCRIPTION
     ip6 can be used to start up or shut down IPv6 on active interfaces.  When IPv6 is enabled on an interface the protocol is attached to the
     interface, at which point the default settings in the kernel allow it to acquire a link-local address and accept router advertisements.  Dis-
     abling detaches the protocol from the interface.

     Possible options are:

     -a   Start IPv6 on all interfaces.

     -x   Stop IPv6 on all interfaces.

     -u -[interface]
	  Start IPv6 on interface.

     -d -[interface]
	  Stop IPv6 on interface.

REQUIREMENTS
     You need support for IPv6 in your kernel. This is provided beginning with Darwin Kernel Version 6.0.

CONFIGURATION
     The default IPv6 configuration for an interface assigns a link-local address to it and sets the interface to receive router advertisements.
     No further configuration is necessary for basic functionality.  However, various settings can be modified by using sysctl.  Pp

SEE ALSO
     stf(4), IPv6 Documentation at http://www.netbsd.org/Documentation/network/ipv6/, RFC 3068.

BSD
								   May 23, 2002 							       BSD