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