Correct method for IPv6 over IPv4 tunneling

To: NetBSD Networking Technical Discussion List <tech-net%NetBSD.org@localhost>
Subject: Correct method for IPv6 over IPv4 tunneling
From: Darren Reed <darrenr%netbsd.org@localhost>
Date: Wed, 16 May 2012 20:50:39 +1000

In trying to configure an IPv6 over IPv6 tunnel,
I seem to be running into a roadblock:

netbsd ~# ifconfig gif0 create
netbsd ~# ifconfig gif0 inet6 2001::1 2001::2 prefixlen 126
ifconfig: SIOCAIFADDR_IN6: Invalid argument

And I'm using:

netbsd ~# uname -a
NetBSD netbsd 5.99.59 NetBSD 5.99.59 (GENERIC) #0: Thu Dec 22 11:25:50 UTC 2011 
 
builds%b8.netbsd.org@localhost:/home/builds/ab/HEAD/i386/201112220420Z-obj/home/builds/ab/HEAD/src/sys/arch/i386/compile/GENERIC
 i386

Is my NetBSD foo wrong or...?

Darren

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