A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multicast Link State For Rbidges
Author(s) : S. Hares
Filename : draft-hares-trill-multicast-00.txt
Pages : 19
Date : 2005-10-20
Rbridges are transparent Layer 2 bridges that provide the ability to
have an entire campus, with multiple physical links look like a
single subnet. The Rbridge technology utilizes Rbridges to link
together Layer 2 areas using spanning trees to calculate paths. The
Rbridges run a link state protocol to determine the least cost paths
Rbridges and exchange information about the location of MAC
addresses. The Rbridges will run a level 1 or a single area routing
protocol. To forward multicast packets, the Rbirdges may treat these
as broadcast (sending the packets to all Rbridges) or use methods to
snoop the Multicast MAC addresses (GARP, MAC learning) or IP/MAC
address packets (IGMP/PIM snooping).
Multicast Link State Rbridge connections suggest a Hybrid Multicast
Link state extensions to ISIS and OSPF for Rbridges.
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