3Com 3500 manual When an Ospf Hello packet is received and the packet

ip ospf virtualLinks statistics 579

Field	Description
receiveError	Number of general receive errors.
	Interpretation:
	■ A non-zero value indicates that OSPF packets are being
	dropped and that this could be causing routing problems.
	This statistic is incremented under the following circumstances:
	■ When an OSPF Hello packet is received and the packet
	length is too short.
	■ When an OSPF Hello packet is received that has the same
	router ID as the router receiving the packet.

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When an OSPF database descriptor packet is received and the packet length is too short.

When an OSPF link state request (LSR) packet is received and the packet length is too short.

When processing an LSR packet, if the area is not configured on the interface.

When an OSPF link state update (LSU) packet is received and the packet length is too short.

When processing an LSU packet, if there are more than 500 advertisements the packet is not processed.

When an OSPF link state acknowledgement (LSAck) packet is received and the packet length is too short.

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When processing an LSAck packet, if the area described by the packet is not known by the router receiving the packet.

When processing any OSPF packet, if the packet length is less than the OSPF header length then it must have been truncated and the packet is dropped.

■When an OSPF packet is received on an interface that is not running OSPF.

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When an OSPF packet is received over a virtual link, but the virtual link is down or not configured.

When an OSPF packet is received (over a non-virtual link) from a source whose IP network does not match the IP network of the interface on which it was received.

	■ When an OSPF packet is received on a Non-Broadcast
	Multiple Access network from an unknown neighbor.
	■ When an OSPF packet is received whose version is not OSPF
	version 2.
receiveHello	Number of Hello packets that have been received
receiveLsAck	Number of LSA acknowledgments that have been received
receiveLSR	Number of LSA request packets that have been received