The name of the device that implements the label switching.

label switch router. The role of an LSR is to forward packets in an MPLS network by looking only at the fixed-length label.

Label Switching Router. A device that forwards MPLS packets based on the value of a fixed-length label encapsulated in each packet.

Label switching router. A router that can read and respond to labelled layer 2 datagrams

label switch router. A Layer 3 router that forwards a packet based on the value of an identifier encapsulated in the packet.

Label Switching (switched or switch) Router