In an MPLS domain, LSR can be divided into Ingress LSR, Transit LSR and gross LSR according to the different processing methods of LSR for data. For the same FEC, a certain LSR can be the Ingress LSR of the FEC or the Transit LSR of the FEC.

In an MPLS domain, LSR can be divided into Ingress LSR, Transit LSR and gross LSR according to the different processing methods of LSR for data. For the same FEC, a certain LSR can be the Ingress LSR of the FEC or the Transit LSR of the FEC.

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