l3vpn-3----Page:4
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Proposed Solution
From draft-nalawade-idr-mdt-safi:
MVPN PE distributes:
route for itself in MDT-SAFI family
connector attribute on unicast VPN-IPv4 routes, to associate its MDT-SAFI address with those routes
(some controversy over coding of this attribute, but not significant to this WG)
Now any PE can determine the MDT-SAFI route towards a multicast transmitter at any VPN site.
From draft-wijnands-pim-proxy:
In case transmitter address is not routable in SP network, specify its BGP NH in the Join message
PPT Version