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 17:26:48 +0200 you wrote:
>> Does that mean that if you use your neighbor's mac address, you will get
>> your neighbors prefix?
>
>Well, I meant "MUST use of its WAN interface *IPv6* unicast addresses...

Yes, but on an ethernet, a link local address is often derived from the
mac address.

>> draft-krishnan-6man-rs-mark-03 talks about a LIO option. Which should be
>> enough to identify the customer.
>
>The LIO is one key, however the LL and unicast IP addresses of a CE need to
>be correlated to that key, hence they are essential pieces of info.

Why would the edge router even look at the source address if there is a 
LIO? 

The source address is typically under control of the customer, and cannot be
trusted.