2011-04-22 22:23:10 GMT
Had a question regarding the MLD router behavior when MLD is enabled on an interface with reference to
Neighbor Discovery RFC 4861 attached below for reference:
******* RFC 4861 ************
|7.2.1. Interface Initialization|
When a multicast-capable interface becomes enabled, the node MUST
join the all-nodes multicast address on that interface, as well as
the solicited-node multicast address corresponding to each of the IP
addresses assigned to the interface.
The set of addresses assigned to an interface may change over time.
New addresses might be added and old addresses might be removed
[ADDRCONF]. In such cases the node MUST join and leave the
solicited-node multicast address corresponding to the new and old
addresses, respectively. Joining the solicited-node multicast
address is done using a Multicast Listener Discovery such as [MLD] or
[MLDv2] protocols. Note that multiple unicast addresses may map into
the same solicited-node multicast address; a node MUST NOT leave the
solicited-node multicast group until all assigned addresses
corresponding to that multicast address have been removed.
What are the MLD join packets that should be sent when the interface has version
MLDv1 and when the version is MLDv2. Is there some IETF document
that provides more details on this behavior. Have not found any clear description
in RFCs 3810 or 2710.
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