Bidirectional shared tree

Bidirectional shared tree
Host A
Host B
Host E Host D
Router 3
Router 4
Router 1
Router 2
Router 6 Router 7
Router 5
RP
(shared root)
Source for
224.2.127.254
10.10.2.5
Host C
Source for
224.2.127.254
172.16.1.51
Member
224.2.127.254
Member
224.2.127.254