Label Edge Router

A Label Edge Router ( LER ) is a router at the edge of an MPLS network.

Upon entry of an IP packet in a MPLS domain routing information is used to select an appropriate MPLS label for the package to provide the package with this label and forward within the MPLS domain.

At the exit of an IP packet from the MPLS domain away the LER, the MPLS label and forwards the IP packet according to the underlying IP routing mechanism further.

  • Router
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