What is "sit0" for (in ifconfig -a)? Can I get rid of it ?

[Marcelo Magno T. Sales]

Hi,

Em Sexta 12 Janeiro 2007 10:51, Robert Locke escreveu:
> On Fri, 2007-01-12 at 10:07 +0200, Ian Brown wrote:
> > Hello,
> >
> > I have a newly installer FC6 on x86_64, and when I run
> > ifconfig -a I get at the bottom
> > ...
> > ...
> >
> > sit0      Link encap:IPv6-in-IPv4
> >           NOARP  MTU:1480  Metric:1
> >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> >           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> >           collisions:0 txqueuelen:0
> >           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> >
> >
> > I have two questions regarding this:
> > can I get rid of this sit0, so that in next boot it will not
> > appear when I run "ifconfig -a" ? I don't use ipv6 (and will not
> > use it until at least FC7 , but probably also not after FC7 is out).
> > And I don't use ppp/slip on this machine (nor any special
> > net features).
> >
> > Second: when I run "lsmod" I see : "ipv6" ; can I get rid of this module
> > so that in next boot it will not appear ? (As said, I will **not** use
> > ipv6 in the near future).
> >
> > Regards,
> > Ian
>
> Ian,
>
> Add two lines to your /etc/modprobe.conf:
>
> alias ipv6 off
> alias net-pf-10 off
>
> Then, after you reboot, both the sit0 and the ipv6 module will not
> load...

But what is this sit0 interface?

Thanks, 

Marcelo