[c-nsp] IOS XR mLDP v mGRE rpf topology selection

[Vitkovský Adam]

Hi folks, 

It should be possible to make this selection based on the RT ext comm attached to MDT routes received from remote PEs right? 
This is just a test setup so far and the idea is that legacy PEs would attach the below RT to the MDT routes so that they receive the streams over the mGRE Rosen method. 
I can't get this to work though am I missing something please? 

How can I check the replication other than with the below cmd: 

sh mrib vrf iptv route 233.1.1.1
(192.0.2.9,233.1.1.1) RPF nbr: 192.0.2.9 Flags: L EID
  Up: 00:00:02
  Incoming Interface List
    Loopback456 Flags: A, Up: 00:00:02
  Outgoing Interface List
    mdtiptv Flags: F NS MI, Up: 00:00:02
    Lmdtiptv Flags: F NS LMI, Up: 00:00:02


The config on headend PE:

extcommunity-set rt mGRE-Rosen
  65000:49999
end-set
!
route-policy RP_ROSEN_MLDP
  if extcommunity rt matches-any mGRE-Rosen then
    set core-tree pim-default
  else
    set core-tree mldp-default
  endif
end-policy
!
router pim 
 vrf iptv
  address-family ipv4
   rpf topology route-policy RP_ROSEN_MLDP


sh pim vrf iptv rpf route-policy statistics 

RPF route-policy statistics for VRF iptv:
    Route-policy name: RP_ROSEN_MLDP
    Number of lookup requests 3
    Pass 3, Drop 0
    Default RPF Table selection 3, Specific RPF Table selection 0



adam