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Point-to-Multipoint LSP Configuration Overview
To set up a point-to-multipoint LSP:
- Configure the primary LSP from the ingress router and the branch LSPs that carry traffic to the egress routers.
- Specify a pathname on the primary LSP and this same path name on each branch LSP.
![]() | Note: By default, the branch LSPs are dynamically signaled by means of Constrained Shortest Path First (CSPF) and require no configuration. You can alternatively configure the branch LSPs as static paths. |


