Deployment Guide

Error Type Description
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
Conf-Issue The received hello packet has a different hello or dead interval than the
configuration.
No-Buffer Buffer allocation failure.
Seq-no A sequence no errors occurred during the database exchange process.
Socket Socket Read/Write operation error.
Q-overflow Packets dropped due to queue overflow.
Unknown-Pkt Received packet is not an OSPF packet.
Example
DellEMC# show ip ospf 1 statistics global
OSPF Packet Count
Total Error Hello DDiscr LSReq LSUpd LSAck
RX 10 0 8 2 0 0 0
TX 10 0 10 0 0 0 0
OSPF Global Queue Length
TxQ-Len RxQ-Len Tx-Mark Rx-Mark
Hello-Q 0 0 0 2
LSR-Q 0 0 0 0
Other-Q 0 0 0 0
Error packets (Only for RX)
Intf-Down 0 Non-Dr 0 Self-Org 0
Wrong-Len 0 Invld-Nbr 0 Nbr-State 0
Auth-Err 0 MD5-Err 0 Chksum 0
Version 0 AreaMis 0 Conf-Issues 0
No-Buffer 0 Seq-No 0 Socket 0
Q-OverFlow 0 Unkown-Pkt 0
Error packets (Only for TX)
Socket Errors 0
DellEMC#
Usage
Information
The show ip ospf process-id statistics command displays the error packet count received
on each interface as:
● The hello-timer remaining value for each interface
● The wait-timer remaining value for each interface
● The grace-timer remaining value for each interface
● The packet count received and transmitted for each neighbor
● Dead timer remaining value for each neighbor
● Transmit timer remaining value for each neighbor
● The LSU Q length and its highest mark for each neighbor
● The LSR Q length and its highest mark for each neighbor
Open Shortest Path First (OSPFv2 and OSPFv3) 1093