display ospfv3 error

Function

The display ospfv3 error command displays OSPFv3 errors.

Format

display ospfv3 error

display ospfv3 process-id error

display ospfv3 [ process-id ] error lsa

display ospfv3 error interface { interface-name | interface-type interface-number }

display ospfv3 process-id error interface { interface-name | interface-type interface-number }

Parameters

Parameter	Description	Value
process-id	Specifies an OSPFv3 process ID. If no process ID is specified, errors of all OSPFv3 processes are displayed.	The value ranges from 1 to 4294967295.
lsa	Displays OSPFv3 LSA errors.	-
interface interface-name	Specifies the name of an interface.	-
interface-type	Specifies the type of an interface.	-
interface-number	Specifies the number of an interface.	-

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
ospf	read

Usage Guidelines

Usage Scenario

To view error information while analyzing OSPFv3 faults, run the display ospfv3 error command. You can then diagnose the faults according to the information.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display OSPFv3 LSA errors.

<HUAWEI> display ospfv3 error lsa
OSPFV3 Process  1  with Router ID 1.1.1.14

 Last Received Bad LSA Header
    LS Age             : 36
    Link State Type    : 0x0008
    Link State ID      : 0.0.1.66
    Advertising Router : 2.2.2.22
    LS Sequence Number : 0x80000002
    LS Checksum        : 0x00bd2e
    Length             : 96
    Interface          : Gigabitethernet0/1/0
    Recv Time          : 2010-11-15 16:37:17

# Display OSPFv3 errors.

<HUAWEI> display ospfv3 error

          OSPFv3 Process 1 with Router ID 1.1.1.1
                  OSPFV3 Error Statistics

General Packet Errors:
 0          : Bad packet                    0          : Bad version
 0          : Bad area ID                   0          : Bad virtual link
 0          : Packet too small              0          : Transmit error
 0          : Bad Instance ID               0          : Interface down
 0          : Unknown neighbor              0          : Authentication failure
 0          : AuthSeqNum mismatch           0          : AuthKeyId mismatch
 0          : IPv6: received my own packet  0          : Bad Checksum
 0          : TTL error                     0          : Packet too long
 0          : Packet size > ipv6 length     0          : Invalid Source Address
 0          : Bad destination address
 0          : Packet received from silent interface

Hello Packet Errors:
 0          : Hello timer mismatch          0          : Dead timer mismatch
 0          : Extern option mismatch        0          : Router ID confusion
 0          : Virtual neighbor unknown      0          : Invalid DR
 0          : DR/BDR mismatch               0          : Neighbor reach limit
 0          : Hold down state               0          : Memory overload
 0          : CPU overload

DD Packet Errors:
 0          : Neighbor state low            0          : Extern option mismatch
 0          : Unknown LSA Type              0          : MTU option mismatch
 0          : Router ID confusion           0          : CPU overload
 0          : Exchange neighbor limit

LS ACK Packet Errors:
 0          : Neighbor state low            0          : Unknown LSA type

LS REQ Packet Errors:
 0          : Neighbor state low            0          : Bad request
 0          : Empty Request

LS UPD Packet Errors:
 0          : Neighbor state low            0          : LSA checksum bad
 0          : Received less recent LSA      0          : Unknown LSA type
 0          : Newer self-generate LSA       0          : Ignore receive LSA
 0          : Received LSA within LSA Arrival interval

Receive Grace LSA Errors:
 0          : Number of invalid LSAs
 0          : Number of policy failed LSAs
 0          : Number of wrong period LSAs

**Table 1** Description of the **display ospfv3 error** command output
Item	Description
Router ID confusion	A router ID conflict occurs.
Router ID confusion	Number of received packets with conflicting router IDs.
Router ID	Router ID.
Last Received Bad LSA Header	Last received LSA.
Received less recent LSA	Number of LSAs received less recently.
Received LSA within LSA Arrival interval	Number of LSAs received within the LSA arrival interval.
Bad packet	The parsed packet is incorrect, including the checksum of the length field.
Bad version	The OSPFv3 version is incorrect (not version 3).
Bad area ID	The area IDs in the received packets are different from the local area ID, except area 0, and other area IDs are considered incorrect.
Bad virtual link	V-link receives invalid packets.
Bad Checksum	Number of packets for which checksum calculation failed.
Bad request	BadRequest event in the protocol.
Bad Instance ID	Number of packets with incorrect instance IDs.
Bad destination address	A non-DR/BDR interface receives a packet with the destination address ff02::6, the destination address is not the link-local address of the local interface, or the destination address is not ff02::5 or ff02::6.
LSA checksum bad	Number of received packets with incorrect LSA checksums.
LS ACK Packet Errors	Title bar: LS ACK packet errors.
LS REQ Packet Errors	Title bar: LS REQ packet errors.
LS UPD Packet Errors	Title bar: LS UPD packet error.
LS Age	Aging time of the LSA.
LS Sequence Number	Sequence number in the LSA header.
LS Checksum	LSA checksum.
Link State Type	LSA type.
Link State ID	LSA state ID.
Advertising Router	Device that advertises or generates LSAs.
Number of invalid LSAs	Number of invalid LSAs.
Number of policy failed LSAs	Number of LSAs that failed to match a policy.
Number of wrong period LSAs	Number of LSAs with incorrect periods.
Length	Size of the LSA.
Interface down	Number of times that the OSPFv3 interface goes Down.
Interface	Interface that receives the LSA.
Recv Time	Time when the LSA was received.
General Packet Errors	General packet errors.
Packet too small	Length of the received packet is not equal to the sum of length of IP header and the length of the packet.
Packet too long	The length of the packet is more than 65535.
Packet size > ipv6 length	The length of the OSPF packet is greater than the permitted length of the IPv6 packet.
Packet received from silent interface	Packets are received from the silent interface.
Transmit error	Transmitting packets to socket fails.
Unknown neighbor	OSPFv3 packets are received from non-OSPFv3 neighbors on NBMA networks, virtual links, and sham links.
Unknown LSA Type	The router receives unknown LSAs.
Authentication failure	Number of packets that fail to be authenticated.
AuthSeqNum mismatch	Number of bad authentication sequence number errors.
AuthKeyId mismatch	Number of packets with key IDs different from the local one.
IPv6: received my own packet	Number of IPv6 packets that were generated locally but received again from neighbors.
TTL error	The TTL value in the packet is 0.
Invalid DR	Statistics about Hello packets with non-zero DR priorities received by a P2P interface.
Invalid Source Address	The source address of LSA is invalid.
Hello Packet Errors	Title bar: Hello packet errors.
Hello timer mismatch	The Hello interval is not consistent.
Dead timer mismatch	The Dead interval is not consistent.
Extern option mismatch	The extension attributes of the Hello packet are not consistent.
Extern option mismatch	The Option of the DD packets is not matched.
Virtual neighbor unknown	The router ID of the packet is inconsistent with that of the V-link neighbor.
DR/BDR mismatch	Number of received packets with DR/BDR errors.
Neighbor state low	Cases of errors: A DD packet is received, but its neighbor status is lower than 2-way. An LSR packet is received, but its neighbor status is lower than Exchange. An LSU packet is received, but its neighbor status is lower than Exchange. An ACK packet is received, but its neighbor status is lower than Exchange.
Neighbor state low	Number of packets received from OSPF neighbors in a lower state than the local device. For example, the local device in Loading state receives packets from a neighbor in Exchange state.
Neighbor reach limit	The number of neighbors exceeds the upper limit.
Hold down state	The neighbor is in the holddown state.
Memory overload	The received packets are ignored due to memory overload.
CPU overload	The received packets are ignored because the CPU is overloaded.
DD Packet Errors	Title bar: DD packet errors.
MTU option mismatch	The MTU value of the DD packet that is received on the interface is greater than that of this interface.
Exchange neighbor limit	The number of peers in the Exchange state exceeds the upper limit.
Empty Request	Number of received packets with empty requests.
Newer self-generate LSA	Number of received LSAs that have been generated by the local device but are newer than the local ones.
Ignore receive LSA	The sum of received LSA ignored.
Receive Grace LSA Errors	Number of received incorrect Grace LSAs.