The show ip ospf database command, used to get information about an OSPF LSDB, on an ABR. In this output, the router link states are type 1 LSAs, the net link states are type 2 LSAs, the summary net link states are type 3 LSAs, the summary ASBR lin...
http://www.ebrahma.com/2013/10/interpreting-the-ospf-lsdb-and-routing-table/Labels: ASBR-–Type-1-and-2-Routes, ASBR-link-state, Best-Path-Calculation, Configuring-OSPF-LSDB, E1-Routes, E2-Routes, LSA-Sequence-Numbering, LSA1, lsa2, lsa3, lsa4, lsa5, OSPF-LSDB, Route-Designator-in-Routing-Table, show-ip-ospf