FEC is a specific path through the network of #Multiprotocol Label Switching (MPLS) provider routers and is equal to the destination network, stored in an IP routing table.
Forwarding Equivalence Classes (FEC)
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Multiprotocol Label Switching (MPLS)
Note: Routers know the relationship between a label and path through the network via Forwarding Equivalence Classes (FEC)#.