IP Object

The IP performance object includes those counters that describe the rates at which IP datagrams are sent and received by a certain computer using the IP protocol. It also describes various error counts for the IP protocol.

Datagrams/sec

Datagrams/sec is the rate at which IP datagrams are received from or sent to the interfaces, including those in error. Any forwarded datagrams are not included in this rate.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Datagrams Received/sec
Datagrams Received/sec is the rate at which IP datagrams are received from the interfaces, including those in error.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Datagrams Received Header Errors
Datagrams Received Header Errors is the number of input datagrams discarded due to errors in their IP headers, including bad checksums, version number mismatch, other format errors, time-to-live exceeded, errors discovered in processing their IP options, etc.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Datagrams Received Address Errors
Datagrams Received Address Errors is the number of input datagrams discarded because the IP address in their IP header's destination field was not a valid address to be received at this entity. This count includes invalid addresses (e.g., 0.0. 0.0) and addresses of unsupported Classes (e.g., Class E). For entities that are not IP Gateways and therefore do not forward datagrams, this counter includes datagrams discarded because the destination address was not a local address.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Datagrams Forwarded/sec
Datagrams Forwarded/sec is the rate of input datagrams for that this entity was not their final IP destination, as a result of which an attempt was made to find a route to forward them to that final destination. In entities that do not act as IP Gateways, this rate will include only those packets that were Source-Routed via this entity, and the Source-Route option processing was successful.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Datagrams Received Unknown Protocol
Datagrams Received Unknown Protocol is the number of locally-addressed datagrams received successfully but discarded because of an unknown or unsupported protocol.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Datagrams Received Discarded
Datagrams Received Discarded is the number of input IP datagrams for which no problems were encountered to prevent their continued processing, but which were discarded (e.g., for lack of buffer space). This counter does not include any datagrams discarded while awaiting re-assembly.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Datagrams Received Delivered/sec
Datagrams Received Delivered/sec is the rate at which input datagrams are successfully delivered to IP user-protocols (including ICMP).

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Datagrams Sent/sec
Datagrams Sent/sec is the rate at which IP datagrams are supplied to IP for transmission by local IP user-protocols (including ICMP). That this counter does not include any datagrams counted in Datagrams Forwarded.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Datagrams Outbound Discarded
Datagrams Outbound Discarded is the number of output IP datagrams for which no problems were encountered to prevent their transmission to their destination, but which were discarded (e.g., for lack of buffer space.) This counter would include datagrams counted in Datagrams Forwarded if any such packets met this (discretionary) discard criterion.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Datagrams Outbound No Route
Datagrams Outbound No Route is the number of IP datagrams discarded because no route could be found to transmit them to their destination. This counter includes any packets counted in Datagrams Forwarded that meet this `no route' criterion.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Fragments Received/sec
Fragments Received/sec is the rate at which IP fragments that need to be re-assembled at this entity are received.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Fragments Re-assembled/sec
Fragments Re-assembled/sec is the rate at which IP fragments are successfully re-assembled.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Fragment Re-assembly Failures
Fragment Re-assembly Failures is the number of failures detected by the IP re-assembly algorithm (for whatever reason: timed out, errors, etc.) This is not necessarily a count of discarded IP fragments since some algorithms (notably RFC 815) can lose track of the number of fragments by combining them as they are received.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Fragmented Datagrams/sec
Fragmented Datagrams/sec is the rate at which datagrams are successfully fragmented at this entity.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

Fragmentation Failures
Fragmentation Failures is the number of IP datagrams that have been discarded because they needed to be fragmented at this entity but could not be, e.g., because their `Don't Fragment' flag was set.

Detail Level: Advanced
Counter Type: PERF_COUNTER_RAWCOUNT

Fragments Created/sec
Fragments Created/sec is the rate at which IP datagram fragments have been generated as a result of fragmentation at this entity.

Detail Level: Advanced
Counter Type: PERF_COUNTER_COUNTER

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