>So the man page ipip(4) example is incorrect?
>
>        Interface TunnelX
>         ip unnumbered D   ! e.g. address from Ethernet interface
>         tunnel source D   ! e.g. address from Ethernet interface
>         tunnel destination A
>
>Else, how do you make gif(4) talk to a tunnel configured like this?

When I had the guys here set up my IPv6 tunnel, they told me they set up
a "standard" Cisco unnumbered tunnel, and it worked fine with my gif(4)
endpoint I set up.  So maybe that blurb should be moved to the gif(4)
man page?

--Ken