Hi Karl, in a VLAN N:1 architecture with "split-horizon" forwarding scheme, all IP flows are forwarded through the BNG. So, the BNG is able to see them.
Best regards, JMC. 2013/4/10 Karl Auer <ka...@biplane.com.au> > On Tue, 2013-04-09 at 10:48 -0700, internet-dra...@ietf.org wrote: > > Abstract: > > The document describes a proxy based mechanism [...] > > Based on the DAD signalling, the first hop router > > stores in a Binding Table all known IPv6 addresses used on a point- > > to-multipoint domain (e.g. VLAN). When a node performs DAD for an > > address already used by another node, the first hop router replies > > instead of this last one. > > Coming late to this but - DAD NS frames are sent to solicited node > multicast addresses, so how is the first hop router seeing them? > IPv6-aware (MLD snooping) switches won't forward the DAD NS frames > except to members of the SNM group...? > > What am I missing? > > Regards, K. > > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Karl Auer (ka...@biplane.com.au) > http://www.biplane.com.au/kauer > http://twitter.com/kauer389 > > GPG fingerprint: B862 FB15 FE96 4961 BC62 1A40 6239 1208 9865 5F9A > Old fingerprint: AE1D 4868 6420 AD9A A698 5251 1699 7B78 4EEE 6017 > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- >
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