Dell PowerConnect M8024 User Manual page 476

Neighbor Events — The number of times this neighbor relationship has changed state, or an error has
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occurred.
External LSA Count — The number of external (LS type 5) link-state advertisements in the link-state
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database.
• Sent Packets — The number of OSPF packets transmitted on the interface.
• Received Packets — The number of valid OSPF packets received on the interface.
• Discards — The number of received OSPF packets discarded because of an error in the packet or an
error in processing the packet.
• Bad Version — The number of received OSPF packets whose version field in the OSPF header does
not match the version of the OSPF process handling the packet.
• Source Not On Local Subnet — The number of received packets discarded because the source IP
address is not within a subnet configured on a local interface.
• Virtual Link Not Found — The number of received OSPF packets discarded where the ingress
interface is in a non-backbone area and the OSPF header identifies the packet as belonging to the
backbone, but OSPF does not have a virtual link to the packet's sender.
• Area Mismatch — The number of OSPF packets discarded because the area ID in the OSPF header is
not the area ID configured on the ingress interface.
• Invalid Destination Address — The number of OSPF packets discarded because the packet's
destination IP address is not the address of the ingress interface and is not the AllDrRouters or
AllSpfRouters multicast addresses.
• Wrong Authentication Type — The number of packets discarded because the authentication type
specified in the OSPF header does not match the authentication type configured on the ingress
interface.
• Authentication Failure — The number of OSPF packets dropped because the sender is not an existing
neighbor or the sender's IP address does not match the previously recorded IP address for that
neighbor.
No Neighbor at Source Address — The number of OSPF packets dropped because the sender is not an
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existing neighbor or the sender's IP address does not match the previously recorded IP address for that
neighbor.
• Invalid OSPF Packet Type — The number of OSPF packets discarded because the packet type field in
the OSPF header is not a known type.
• Hellos Ignored — The number of received Hello packets that were ignored by this router from the new
neighbors after the limit has been reached for the number of neighbors on an interface or on the
system as a whole.
• Hellos Sent — The number of Hello packets sent on this interface by this router.
• Hellos Received — The number of Hello packets received on this interface by this router.
• DD Packets Sent — The number of Database Description packets sent on this interface by this router.
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Configuring Routing