How to configure a tunnel

[bound@zk3.dec.com]

>My question was:
>> Hi. I'd like to know how to configure a tunnel to 6bone or which
>> implementation freely available supports configured tunneling.
>
>The answers are:
>INRIA, NRL, and Linux versions support configured tunneling.
>Solaris version seems not to support it now.

Digital UNIX and Digital Routers (WGE and Routabout) also support
configured tunneling too.  We also have RIPv2v6 working too.

thanks
/jim