| 摘要 |
Establishing a point-to-multipoint path includes establishing a first label switched path from a source to a first destination, where the first label switched path is represented by a first label set comprising first node-label pairs. A second label switched path is established from the source to a second destination, where the second label switched path is represented by a second label set comprising second node-label pairs. One or more of the second node-label pairs are equivalent to one or more of the first node-label pairs. The first label set and the second label set are combined to establish the point-to-multicast path.
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