"James Kempf" <[EMAIL PROTECTED]> writes:

> I think it is already possible for a node to use CGAs with DHCPv6. The node 
> sends an Interface ID Option (Section 22.18 of RFC 3315) along with the 
> REQUEST, containing a cryptographically generated interface id. The DHCP 
> server assigns the address having this id. For this to work, the subnet 
> prefixes must be advertised in the RA even though the 'M' flag is set, since 
> the cryptographic generation process uses the subnet prefix. If the RA 
> advertises more than one subnet, there might be a problem, since there is no 
> way to indicate to the server which subnet the host has selected.

Do you mean that the RA must include a prefix information option? If
so, with which bits set? if the autoconfigure bit must be set for this
to work, that seems like a non-starter, since now there is no point in
using DHCP to get an address you already legitimitely have. (I don't
know the details right off here, hence I'm asking.)

Thomas


_______________________________________________
Int-area mailing list
[email protected]
https://www1.ietf.org/mailman/listinfo/int-area

Reply via email to