Use statistics to help you monitor Open Shortest Path First (OSPF) performance.
show ip ospf stats
show ip ospf stats [vrf WORD<1-16>] [vrfids WORD<0-512>]
show ip ospf stats vrf WORD<1-16>
show ip ospf stats vrfids WORD<0-512>
None
User EXEC
The show ip ospf stats command displays the following information:
| 
                         Output field  | 
                     
                         Description  | 
                  
|---|---|
| 
                         NumBufAlloc  | 
                     
                         Indicates the number of buffers allocated for OSPF.  | 
                  
| 
                         NumBufFree  | 
                     
                         Indicates the number of buffers that are freed by the OSPF.  | 
                  
| 
                         NumBufAllocFail  | 
                     
                         Indicates the number of times that OSPF failed to allocate buffers.  | 
                  
| 
                         NumBufFreeFail  | 
                     
                         Indicates the number of times that OSPF failed to free buffers.  | 
                  
| 
                         NumTxPkt  | 
                     
                         Indicates the number of packets transmitted by OSPF.  | 
                  
| 
                         NumRxPkt  | 
                     
                         Indicates the number of packets received by OSPF.  | 
                  
| 
                         NumTxDropPkt  | 
                     
                         Indicates the number of packets dropped before transmission by OSPF.  | 
                  
| 
                         NumRxDropPkt  | 
                     
                         Indicates the number of packets dropped before reception by OSPF.  | 
                  
| 
                         NumRxBadPkt  | 
                     
                         Indicates the number of packets received by OSPF that are bad.  | 
                  
| 
                         NumSpfRun  | 
                     
                         Indicates the total number of SPF calculations performed by OSPF, which also includes the number of partial route table calculation for incremental updates.  | 
                  
| 
                         LastSpfRun  | 
                     
                         Indicates the time (SysUpTime) since the last SPF calculated by OSPF.  | 
                  
| 
                         LsdbTblSize  | 
                     
                         Indicates the number of entries in the link state database table.  | 
                  
| 
                         NumAllocBdDDP  | 
                     
                         Indicates the number of times buffer descriptors were allocated for OSPF database description packets.  | 
                  
| 
                         NumFreeBdDDP  | 
                     
                         Indicates the number of times buffer descriptors were freed after use as OSPF database description packets.  | 
                  
| 
                         NumBadLsReq  | 
                     
                         Indicates the number of bad LSDB requests.  | 
                  
| 
                         NumSeqMismatch  | 
                     
                         Indicates the number of mismatches for sequence numbers.  | 
                  
| 
                         NumOspfRoutes  | 
                     
                         The count of OSPF routes.  | 
                  
| 
                         NumOspfAreas  | 
                     
                         The count of all OSPF areas.  | 
                  
| 
                         NumOspfAdjacencies  | 
                     
                         The count of adjacencies.  | 
                  
| 
                         NumOspfNbrs  | 
                     
                         The count of OSPF neighbors.  | 
                  
| 
                         NumEnabledOspfAreas  | 
                     
                         The count of OSPF areas with at least one enabled OSPF interface. This number counts against the scaling maximum when you add a new area.  | 
                  
The following example displays the OSPF performance statistics.
Switch:1#show ip ospf stats
================================================================================
                         OSPF Statistics - GlobalRouter
================================================================================
       NumBufAlloc: 1138
        NumBufFree: 1138
   NumBufAllocFail: 0
    NumBufFreeFail: 0
          NumTxPkt: 1144
          NumRxPkt: 2287
      NumTxDropPkt: 0
      NumRxDropPkt: 0
       NumRxBadPkt: 0
         NumSpfRun: 19
        LastSpfRun: 0 day(s), 00:26:15
       LsdbTblSize: 7
     NumAllocBdDDP: 5
      NumFreeBdDDP: 5
       NumBadLsReq: 0
    NumSeqMismatch: 0
     NumOspfRoutes: 7
      NumOspfAreas: 0
NumOspfAdjacencies: 3
       NumOspfNbrs: 3
NumEnabledOspfAreas:0