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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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