Cisco ASR 9000 Series Configuration Manual page 307

Implementing Layer-3 Multicast Routing on Cisco IOS XR Software
if destination in A2-Spoke-family then
pass
else
drop
endif
end-policy
!
router bgp 1
vrf A2-Hub-3in
rd 4000:3
address-family ipv4 unicast
route-target download
redistribute connected
!
neighbor 113.113.114.9
remote-as 12
address-family ipv4 unicast
route-policy A2-Spoke-family in ------à leaking the selected spoke routes with hub route targets so they can
be imported by the spoke sites with RPF A2-Hub-3in.
route-policy pass-all out
!
!
!
!
router bgp 1
vrf A2-Hub-3out
rd 4000:4
address-family ipv4 unicast
route-target download
redistribute connected
!
!
!
router bgp 1
vrf A2-Hub-2
Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide, Release 6.0.x
Configuring Multicast Hub and Spoke Topology: Example
293