-NON EXISTENT: This state is the starting point for the state machine.It indicates that no ICCP connection exists and that there's no LDP session established between the PEs. -INITIALIZED: This state indicates that an LDP session exists between the PEs but LDP ICCP Capabilitiy have not yet been exchanged between them. -CAPSENT: This state indicates that an LDP session exists between the PEs and that the local PE has avertized LDP ICCP Capability to its peer. -CAPREC: This state indicates that an LDP session exists between the PEs and that the local PE has both received and avertized LDP ICCP Capability from/to its peer. -CONNECTING: This state indicates that the local PE has initiated an ICCP connection to its peer, and is awaiting its response. -OPERATIONAL: This state indicates that the ICCP connection is operational.