Label Information Base (LIB) is the software table maintained by IP/
MPLS
Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. Whereas network addresses identify endpoints the labels identif ...
capable
routers to store the details of port and the corresponding MPLS router label to be popped/pushed on incoming/outgoing MPLS packets.
Entries are populated from label-distribution protocols.
LIB functions in the control plane of router's MPLS layer. It is used by the label distribution protocol for mapping the next hop labels.
MPLS networking
{{compu-network-stub