> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the IP Version 6 Working Group Working Group of the
> IETF.
>
> Title : IPv6 Stateless Address Autoconfiguration
> Author(s) : S. Thomson, et al.
> Filename : draft-ietf-ipv6-rfc2462bis-02.txt
> Pages : 30
> Date : 2004-6-17
i guess it is under WG last call, but i could not find the annoucement
so i respond to this message.
i have objection to 5.4.5 "when duplicated address detection fails".
the text suggest that hardware-address-based linklocal address fails
on DAD test, "the interface SHOULD be disabled".
first of all, what does it mean by "disable interface"? if the
interface has IPv4 addess and IPv4 packets are going through the
interface, should we kill IPv4 as well? what about AppleTalk?
does "disable interface" require hardware disabled (turn IFF_UP to 0)
or only software?
moreover, even when DAD test fails for hardware-address-based linklocal
address, there are number of routes we can take:
- try again with random-number-generated linklocal address
- beep beep, call operator
- etc
suggested change: replace "the interface SHOULD be disabled" by the
following:
the link-local address should be marked as "DAD failed",
and further autoconfiguration SHOULD NOT be performed based
on the link-local address (such as generation of global address
using the interface ID on the link-local address).
Operators (or operating system) SHOULD be consulted to correct
the situation.
itojun
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