| 单词 | LER (Label Edge Router) |
| 释义 | LER (Label Edge Router) In Multiprotocol Label Switching (MPLS), a router at the edge of the car- rier’s network.The ingress LER examines the packet header and attaches a label, or tag, that identifies the Label Switched Path (LSP) that the packet is to travel through the MPLS network.The label is distributed to Label Switching Routers (LSRs) in the network core to ensure that the packet travels that path, link by link. The egress LER strips the tag away as the packet exits the network. See also header, label, link, LSP, LSR, MPLS, packet, path, router, and switch. |
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