LFB Class Identifier,LFB Class Name,LFB Version,Description,Reference 0,Reserved,1.0,Reserved,[RFC5812] 1,FE Object,1.0,Defines ForCES Forwarding Element information,[RFC5812] 2,FE Protocol Object,1.0,Defines parameters for the ForCES protocol operation,[RFC5810] 2,FE Protocol Object,1.1,Defines parameters for the ForCES protocol operation,[RFC7121] 2,FE Protocol Object,1.2,Defines parameters for the ForCES protocol operation,[RFC7391] 3,EtherPHYCop,1.0,Define an Ethernet port abstracted at physical layer.,"[RFC6956], section 5.1.1" 4,EtherMACIn,1.0,Define an Ethernet input port at MAC data link layer.,"[RFC6956], section 5.1.2" 5,EtherClassifier,1.0,Define the process to decapsulate Ethernet packets and classify the packets.,"[RFC6956], section 5.1.3" 6,EtherEncap,1.0,Define the process to encapsulate IP packets to Ethernet packets.,"[RFC6956], section 5.1.4" 7,EtherMACOut,1.0,Define an Ethernet output port at MAC data link layer.,"[RFC6956], section 5.1.5" 8,IPv4Validator,1.0,Perform IPv4 packets validation.,"[RFC6956], section 5.2.1" 9,IPv6Validator,1.0,Perform IPv6 packets validation.,"[RFC6956], section 5.2.2" 10,IPv4UcastLPM,1.0,Perform IPv4 Longest Prefix Match Lookup.,"[RFC6956], section 5.3.1" 11,IPv6UcastLPM,1.0,Perform IPv6 Longest Prefix Match Lookup.,"[RFC6956], section 5.3.3" 12,IPv4NextHop,1.0,Define the process of selecting IPv4 next hop action.,"[RFC6956], section 5.3.2" 13,IPv6NextHop,1.0,Define the process of selecting IPv6 next hop action.,"[RFC6956], section 5.3.4" 14,RedirectIn,1.0,Define the process for CE to inject data packets into FE LFB topology.,"[RFC6956], section 5.4.1" 15,RedirectOut,1.0,Define the process for LFBs in FE to deliver data packets to CE.,"[RFC6956], section 5.4.2" 16,BasicMetadata Dispatch,1.0,Dispatch input packets to a group output according to a metadata.,"[RFC6956], section 5.5.1" 17,GenericScheduler,1.0,Define a preliminary generic scheduling process.,"[RFC6956], section 5.5.2" 18,IFE,1.0,An IFE LFB to standardize inter-FE LFB for ForCES Network Elements,[RFC8013] 19,SM,1.0,An SM LFB to standardize subsidiary management for ForCES Network Elements,[RFC7729] 20-65536,Unassigned,,, 65537,Ext-Splitter,1.0,"A splitter LFB will either send the same packet or chunks of one packet to multiple LFBs.",[RFC7409] 65538,Ext-Merger,1.0,"A merger LFB receives multiple packets or multiple chunks of the same packet and merges them into one.",[RFC7409] 65539,Ext-CoreParallelization,1.0,A core LFB to signify the parallelization capability,[RFC7409]