>>>>> On Fri, 29 Jun 2001 15:31:06 -0400,
>>>>> "Roy Brabson" <[EMAIL PROTECTED]> said:
> I've got a question on Duplicate Address Detection for link-local
> addresses. DAD states that a node must join the solicited-node
> multicast group for the tentative address before beginning DAD.
> Multicast Listener Discovery states that as part of joining a link-scope
> multicast groups, other than the all-nodes group, a MLD Report message
> must be sent. MLD also states that the source IP address in the MLD
> message must be a link-local address.
> So, what should be put in the source address for the MLD Report when the
> a link-local address is being assigned and no other addresses exist for
> the link?
This has already been discussed, and the consensus was this:
> There are some other alternatives which might make sense if bridges are
> keying off MLD Reports to determine whether to forward multicast
> packets:
> - When assigning a tentative link-local address and no other address
> exists for the router, send an MLD Report with the source address set
> to the unspecified address. This is currently not allowed by MLD and
> might result in the packet failing verification by a bridge/router and
> therefore being discarded.
See also the following discussion:
http://www.wcug.wwu.edu/lists/ipng/200007/msg00193.html
JINMEI, Tatuya
Communication Platform Lab.
Corporate R&D Center, Toshiba Corp.
[EMAIL PROTECTED]
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