A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Inter-Domain Multicast Routing Working Group of the
IETF.
Title : IGMP Multicast Router Discovery
Author(s) : S. Biswas, B. Cain, B. Haberman
Filename : draft-ietf-idmr-igmp-mrdisc-05.txt
Pages : 14
Date : 05-Oct-00
Companies have been proposing IGMP snooping schemes for layer-2
bridging devices. A method for discovering multicast capable routers
is necessary for these schemes. An IGMP query message is inadequate
for discovering multicast routers as one querier is elected. In
order to 'discover' multicast routers, we introduce two new types of
IGMP messages: Multicast Router Advertisement and Multicast Router
Solicitation. These two messages can be used by any device which
listens to IGMP to discovery multicast routers. Multicast Router
Solicitation messages may be used by any network device (e.g. layer-2
switch) to solicit discovery messages from multicast routers.
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