IPv6 Tunnel issues...

[Eric F Crist]

On 3/20/07, Nikos Vassiliadis <nvass at teledomenet.gr> wrote:
>
> On Tuesday 20 March 2007 17:01, Eric F Crist wrote:
> > On 3/20/07, Eric F Crist <mnslinky at gmail.com> wrote:
> > >
> > > My ISP tells me it should be prefixlen 126, not 128
> > >
> > > On 3/20/07, Björn König <bjoern.koenig at alpha-tierchen.de > wrote:
> > > >
> > > > Eric F Crist schrieb:
> > > > > [...] I'm performing the configuration as follows:
> > > > >
> > > > > ifconfig gif0 create
> > > > > ifconfig gif0 tunnel <my IPv4 address> <my ISP IPv4 address>
> > > > > ifconfig gif0 inet6 alias aaaa:aaaa:a::a bbbb:bbbb:b::b prefixlen
> 126
> > > > >
> > > > > When I execute the last command, I get:
> > > > > ifconfig: ioctl (SIOCAIFADDR): Invalid argument
> > > > >
> > > > > [...]
> > > >
> > > > Use a prefix length of 128 instead of 126.
> > > >
> > > > Regards
> > > > Björn
> > >
> > >
> > Sorry for the top post earlier.  I've eliminated the second IP address
> on
> > the inet6 ifconfig command, and prefixlen 126 is accepted.  Now I just
> get
> > no ping replies accross the gif0 interface.  ifconfig shows all the
> correct
> > information, and netstat -rn shows valid routes.  What am I missing?  I
> > *did* have this working at one time this morning, but I tried to get
> things
> > into rc.conf and haven't been able to get it back up.
>
> There is an errata notice about gif(4)s,
> don't know it affects you...
>
> http://www.freebsd.org/releases/6.2R/errata.html
>

Yes, I saw that, my first post mentions I'm patched and good-to-go.  I've
also tried the work around mentioned, just to be sure.