3Com MSR 50, MSR 30 manual Description on the fields of the display ospf error command, 1119

1119

Description Use the display ospf error command to display OSPF error information.

If no process is specified, OSPF error information of all OSPF processes is displayed.

Examples # Display OSPF error information.

<Sysname> display ospf error

OSPF Process 1 with Router ID 192.168.80.100

OSPF Packet Error Statistics

0	: OSPF Router ID confusion	0	: OSPF bad packet
0	: OSPF bad version	0	: OSPF bad checksum
0	: OSPF bad area ID	0	: OSPF drop on unnumber interface
0	: OSPF bad virtual link	0	: OSPF bad authentication type
0	: OSPF bad authentication key	0	: OSPF packet too small
0	: OSPF Neighbor state low	0	: OSPF transmit error
0	: OSPF interface down	0	: OSPF unknown neighbor
0	: HELLO: Netmask mismatch	0	: HELLO: Hello timer mismatch
0	: HELLO: Dead timer mismatch	0	: HELLO: Extern option mismatch
0	: HELLO: NBMA neighbor unknown 0		: DD: MTU option mismatch
0	: DD: Unknown LSA type	0	: DD: Extern option mismatch
0	: LS ACK: Bad ack	0	: LS ACK: Unknown LSA type
0	: LS REQ: Empty request	0	: LS REQ: Bad request
0	: LS UPD: LSA checksum bad	0	: LS UPD: Received less recent LSA
0	: LS UPD: Unknown LSA type
Table 266 Description on the fields of the display ospf error command
Field		Description

OSPF Router ID confusion

OSPF bad packet

OSPF bad version

OSPF bad checksum

OSPF bad area ID

OSPF drop on unnumber interface OSPF bad virtual link

OSPF bad authentication type OSPF bad authentication key OSPF packet too small OSPF Neighbor state low OSPF transmit error

OSPF interface down OSPF unknown neighbor HELLO: Netmask mismatch HELLO: Hello timer mismatch HELLO: Dead timer mismatch HELLO: Extern option mismatch HELLO: NBMA neighbor unknown

DD:MTU option mismatch

DD:Unknown LSA type

DD:Extern option mismatch LS ACK: Bad ack

Packets with duplicate route ID

Packets illegal

Packets with wrong version

Packets with wrong checksum

Packets with invalid area ID

Packets dropped on the unnumbered interface Packets on wrong virtual links

Packets with invalid authentication type Packets with invalid authentication key Packets too small in length

Packets received in low neighbor state Packets with error when being transmitted Shutdown times of the interface Packets received from unknown neighbors Hello packets with mismatched mask Hello packets with mismatched hello timer Hello packets with mismatched dead timer Hello packets with mismatched option field

Hello packets received from unknown NBMA neighbors

DDpackets with mismatched MTU DD packets with unknown LSA type DD packets with mismatched option field Bad LSAck packets for LSU packets