Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 3 OSPF Configuration Commands
3-17
0 : LS UPD: LSA checksum bad 0 : LS UPD: Received less recent LSA
0 : LS UPD: Unknown LSA type
Table 3-5 Description on the fields of the display ospf error command
Field Description
OSPF Router ID confusion Packets with duplicate route ID
OSPF bad packet Packets illegal
OSPF bad version Packets with wrong version
OSPF bad checksum Packets with wrong checksum
OSPF bad area ID Packets with invalid area ID
OSPF drop on unnumber
interface
Packets dropped on the unnumbered interface
OSPF bad virtual link Packets on wrong virtual links
OSPF bad authentication type Packets with invalid authentication type
OSPF bad authentication key Packets with invalid authentication key
OSPF packet too small Packets too small in length
OSPF Neighbor state low Packets received in low neighbor state
OSPF transmit error Packets with error when being transmitted
OSPF interface down Shutdown times of the interface
OSPF unknown neighbor Packets received from unknown neighbors
HELLO: Netmask mismatch Hello packets with mismatched mask
HELLO: Hello timer mismatch Hello packets with mismatched hello timer
HELLO: Dead timer mismatch Hello packets with mismatched dead timer
HELLO: Extern option mismatch Hello packets with mismatched option field
HELLO: NBMA neighbor
unknown
Hello packets received from unknown NBMA
neighbors
DD: MTU option mismatch DD packets with mismatched MTU
DD: Unknown LSA type DD packets with unknown LSA type
DD: Extern option mismatch DD packets with mismatched option field
LS ACK: Bad ack Bad LSAck packets for LSU packets
LS ACK: Unknown LSA type LSAck packets with unknown LSA type
LS REQ: Empty request LSR packets with no request information
LS REQ: Bad request Bad LSR packets
LS UPD: LSA checksum bad LSU packets with wrong LSA checksum
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