Viewing the OSPF link-state database
View the area advertisements and other information in the LSDB to ensure correct OSPF operations.
Procedure
Example
Switch(config-ospf)#show ip ospf lsdb
================================================================================
                            OSPF LSDB - GlobalRouter
================================================================================
                Router Lsas in Area 0.0.0.0
LSTYPE     LINKSTATEID     ADV_ROUTER      AGE  SEQ_NBR    CSUM
--------------------------------------------------------------------------------
Router     192.0.2.0       192.0.2.0       617  0x80000031 0xeafd    
Router     198.51.100.0    198.51.100.0    1033 0x80000030 0xa5f2    
                Network Lsas in Area 0.0.0.0
LSTYPE     LINKSTATEID     ADV_ROUTER      AGE  SEQ_NBR    CSUM
--------------------------------------------------------------------------------
Network    100.1.1.2       192.0.2.0       617  0x8000002f 0xd038    
                Summary Lsas in Area 0.0.0.0
LSTYPE     LINKSTATEID     ADV_ROUTER      AGE  SEQ_NBR    CSUM
--------------------------------------------------------------------------------
                AsSummary Lsas in Area 0.0.0.0
                    
LSTYPE     LINKSTATEID     ADV_ROUTER      AGE  SEQ_NBR    CSUM
--------------------------------------------------------------------------------
                NSSA Lsas in Area 0.0.0.0
LSTYPE     LINKSTATEID     ADV_ROUTER      AGE  SEQ_NBR    CSUM
--------------------------------------------------------------------------------
================================================================================
                                AsExternal Lsas
================================================================================
LSTYPE     LINKSTATEID     ADV_ROUTER      ETYPE  METRIC  ASE_FWD_ADDR    AGE  SEQ_NBR    CSUM      
--------------------------------------------------------------------------------
Variable definitions
The following table defines parameters for the show ip ospf lsdb command.
| 
 Variable  | 
 Value  | 
|---|---|
| 
 adv_rtr {A.B.C.D}  | 
 Specifies the advertising router.  | 
| 
 area {A.B.C.D}  | 
 Specifies the OSPF area.  | 
| 
 detail  | 
 Provides detailed output.  | 
| 
 lsa-type <1-11  | 
 Specifies the link-state advertisement type in the range of 1–11.  | 
| 
 lsid {A.B.C.D}  | 
 Specifies the link-state ID.  | 
| 
 vrf WORD<1-16>  | 
 Specifies a VRF by name.  | 
| 
 vrfids WORD<0-512>  | 
 Specifies a range of VRF IDs.  |