Re: RS sending in draft-ietf-v6ops-ipv6-cpe-router-04

[Philip Homburg <pch-v6ops@u-1.phicoh.com>]

In your letter dated Thu, 15 Apr 2010 16:02:49 +0200 you wrote:
>Given that RS triggered access appears to be gaining ground (based on the
>latest  draft-krishnan-rs-mark) it would appear that the CPE router draft
>specify a bit more tightly the form of RS messages a CPE sends when
>connecting to a network.
>RFC4861 section 6.3.7 states:
>" A host sends Router Solicitations to the all-routers multicast
>   address.  The IP source address is set to either one of the
>   interface's unicast addresses or the unspecified address."
>
>Now, since the source address is very likely to be one of the identifier
>keys for a CPE used for authorization, I would like to propose that an RS
>sending rule be added to the CPE spec which would ensure that the IP source
>address is NEVER the unspecified address, eg:
>
>The IPv6 CE router MUST use one of its WAN interface unicast addresses when
>sending RS messages.

Does that mean that if you use your neighbor's mac address, you will get 
your neighbors prefix?

draft-krishnan-6man-rs-mark-03 talks about a LIO option. Which should be
enough to identify the customer.