Row Heading Description
Hello Number of OSPF Hello packets.
DDiscr Number of database description packets.
LSReq Number of link state request packets.
LSUpd Number of link state update packets.
LSAck Number of link state acknowledgement packets.
TxQ-Len The transmission queue length.
RxQ-Len The reception queue length.
Tx-Mark The highest number mark in the transmission queue.
Rx-Mark The highest number mark in the reception queue.
Hello-Q The queue, for transmission or reception, for the hello 
packets.
LSR-Q The queue, for transmission or reception, for the link state 
request packets.
Other-Q The queue, for transmission or reception, for the link state 
acknowledgement, database description, and update 
packets.
The following describes the error definitions for the show ip ospf statistics 
process-id global command.
Error Type Description
Intf_Down Received packets on an interface that is either down or 
OSPF is not enabled.
Non-Dr Received packets with a destination address of ALL_DRS 
even though SELF is not a designated router.
Self-Org Receive the self originated packet.
Wrong_Len The received packet length is different to what was 
indicated in the OSPF header.
Invld-Nbr LSA, LSR, LSU, and DDB are received from a peer which is 
not a neighbor peer.
Nbr-State LSA, LSR, and LSU are received from a neighbor with stats 
less than the loading state.
Auth-Error Simple authentication error.
MD5-Error MD5 error
Cksum-Err Checksum Error
Version Version mismatch
AreaMismatch Area mismatch
Open Shortest Path First (OSPFv2 and OSPFv3)
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