Roland Dreier <[EMAIL PROTECTED]> wrote on 02/16/2007 10:10:55 AM: > > > But what if the full-member join fails on node A for node A's > > > solicited node group, but then node B succeeds in joining that group > > > as a send-only member (perhaps because some other nodes have dropped > > > off the fabric in the meantime). Then node B will send the ND message > > > on a MCG that A is not a member of. > > > Yes. B can send ND to A, and A responds without being a member so IPv6 ND > > works. Is there any security or other problems here? > > Node A is not a member of the group B is sending on, so SM does not > have to set up any routes for the messages to even reach node A. So > it doesn't see the messages and doesn't respond to ND. > > - R. Two MCGs groups must be establised before IPoIB link up, one is broadcast for IPv4, one is all hosts multicast for IPv6. So Node A is a member of all hosts address, the patch directs ND sends to all hosts, so node A responses it. Thanks Shirley Ma
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