3Com 7750 Series Command Reference Manual page 361

3Com Switch 7750 Series
Command Reference Guide – Routing Protocol
OSPF: wrong version
OSPF: wrong checksum
OSPF: wrong area id
OSPF: area mismatch
OSPF: wrong virtual link
OSPF: wrong authentication
type
OSPF: wrong authentication
key
OSPF: too small packet
OSPF: packet size > ip length
OSPF: transmit error
OSPF: interface down
OSPF: unknown neighbor
HELLO: netmask mismatch
HELLO: hello timer mismatch
HELLO: dead timer mismatch
HELLO:
mismatch
HELLO: router id confusion
HELLO:
unknown
HELLO:
unknown
DD: neighbor state low
DD: unknown LSA type
DD: router id confusion
DD: extern option mismatch
LS ACK: neighbor state low
LS ACK: wrong ack
LS ACK: duplicate ack
LS ACK: unknown LSA type
Field
OSPF version error
OSPF checksum error
OSPF area ID error
OSPF area mismatch
OSPF virtual link error
OSPF authentication type error
OSPF authentication key error
OSPF packet too small
OSPF packet size exceeds IP packet length
OSPF transmission error
OSPF interface is down, unavailable
OSPF neighbors are unknown
Network mask mismatch
Interval of HELLO packet is mismatched
Interval of dead neighbor packet is mismatched
extern option
Extern option of Hello packet is mismatched
Hello packet: Router ID confusion
virtual neighbor
Hello packet: unknown virtual neighbor
NBMA neighbor
Hello packet: unknown NBMA neighbor
Database description (DD) packet: asynchronous
neighbor state
DD packet: unknown LSA type
DD packet: router id unidentifiable
DD packet: external route flag error
Link state acknowledgment (LS ACK) packet:
asynchronous neighbor state
Link state acknowledgment packet: ack error
Link state acknowledgment packet: ack duplication
Link state acknowledgment packet: unknown LSA
type
3-18
Chapter 3 OSPF Configuration Commands
Description