A.OSPF B.ISIS C.BGP D.RSVP E.PIM
A.IS-Type B.Overload (LSPDBOL) C.Pseudonode (PN) D.Attached (ATT) E.Fragment (Frag-Nr) F.Partition (P)
A.bgp B.mpls_idp C.sysmgr D.wdsysmon E.gsp