Gyan,
These questions are implementation specific and should be addressed
off the mailing list. Please contact me at ripar...@cisco.com.

-Rishabh

On Fri, Mar 20, 2020 at 6:41 PM Gyan Mishra <hayabusa...@gmail.com> wrote:
>
>
> Daniel & Authors
>
> I had a question related to the draft related to lab POC testing.
>
> https://datatracker.ietf.org/doc/draft-voyer-spring-sr-replication-segment/
>
> In the draft it states that SR replication using Tree SID to replication to 
> leafs on a tree is only supported with a centralized PCE controller based 
> model using BGP LS.
>
> I have an SR-MPLS Cisco VIRL POC test bed using XRV9000 nodes 7.0.1 using 
> ISIS SR extensions where I have L3 vpn overlay and everything is working very 
> well from a unicast perspective.  No issues.
>
> I have LDP still enabled but via “SR-Prefer” am using SR-MPLS forwarding 
> plane.  I kept LDP enabled so I can use mLDP for LMDT label switched trees 
> for multicast and technically that all MVPN procedures RFC 6513 6514 encap 
> tunnel types should work for p-tree using mLDP forwarding plane for multicast 
> while SR-MPLS is being used for unicast..
>
> I can get the LMDT core tree default and data mdt to build for MP2MP or P2MP 
> tree but cannot get on the FEC root the MRIB state to build.  Not sure why?
>
> Any ideas.  Is there anything special I have to do for multicast to use the 
> ldp mLDP extension data plane and not the SR-MPLS data plane.
>
> I think what’s happening is at the data plane forwarding level SR-MPLS data 
> plane is being used instead of mLDP.
>
> I have a bunch of SR-TE policies in place with candidate dynamic and static 
> ERO paths and that works well coloring the VRF steering.
>
> I was wondering if I can use SR-TE binding Sid with Static ERO loose path 
> using prefix SID of egress PE to replicate to and build P2MP tree 
> instantiation via SR-TE.
>
> Is that possible?
>
> Kind regards
>
> Gyan
>
>
> --
>
> Gyan  Mishra
>
> Network Engineering & Technology
>
> Verizon
>
> Silver Spring, MD 20904
>
> Phone: 301 502-1347
>
> Email: gyan.s..mis...@verizon.com
>
>
>
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