Name: draft-wijnands-mt-discovery-01
Title: MT Tunnel Discovery and RPF check
State: Active
Authors: IJsbrand Wijnands, Gargi Nalawade
Group: Individual Submissions (none)
Date: 2004-07-22
Multicast Tunnels are built between Provider Edge (PE) routers to allow
multicast communication between different site's of a VPN. The MT tunnel
has a destination MDT group address that is unique to the VPN. All routers
that act as PE's and are configured for a specific VPN join the VPN MDT
multicast group in the backbone of the provider network to be able to
receive each others packets. Each router is also a sender to the MDT group.
How the forwarding of the MDT packets is achieved is depending on the PIM
mode of the MDT group. This can be either PIM-Bidir, PIM-SM or PIM SSM. The
proposal in this document is related specifically to PIM SSM mode.
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