Re: Default address used

Well I mean, what's the use of having an IPv6 address if you can just use
your local link address?
There must be something I still don't understand.

On 11/23/05, Fredrik Tolf <[email protected]> wrote:
>
> On Wed, 2005-11-23 at 12:15 -0500, Jason Gauthier wrote:
> > When I capture packets on Windows XP and that I've set up an IPv6
> > address with a DHCP server, the capture says the request is from the
> > default address that we can't delete on Windows XP.
>
> By "default address", do you mean the fe80::* link-local address?
>
> > Any idea how I could delete it or change the default address to use?
>
> You cannot delete the link-local address, since the IPv6 specification
> requires that every node has one. As for the source address to use for
> any given packet, that is decided depending on the destination address
> according to RFC 3484.
>
> According to RFC 3484, it is possible to make a certain address
> "preferred" for being used as source address, but even so, an address is
> only tested for being preferred once it has been selected as a candidate
> after being tested for scope similarity. See section 3.1 of RFC 3484 for
> the definition of address scopes.
>
> > I really need him to make requests from the DHCP address given.
>
> Thence comes the real question: Why would you want that?
>
> Fredrik Tolf
>
>
>