Subtree name Standard [(identifier) attribute] Support
Implementation spec-
ifications
ipForwDatagrams [(6) RO]
The number of IP datagrams that were trans-
ferred to their final destination. If this node
does not operate as an IP gateway, this is the
number of datagrams that were successfully
transferred through source routing.
Support-
ed
According to the stand-
ard.
ipInUnknownProtos
[(7) RO]
The number of IP datagrams that were re-
ceived but discarded because they were of
an unsupported or unrecognized protocol.
Support-
ed
According to the stand-
ard.
ipInDiscards [(8) RO]
The number of IP datagrams that could have
continued to be processed without any prob-
lems, but were discarded (for example, be-
cause of insufficient buf
fer space).
Support-
ed
According to the stand-
ard.
ipInDelivers [(9) RO]
The number of datagrams delivered to an IP
user protocol (any higher level protocol, in-
cluding ICMP).
Support-
ed
According to the stand-
ard.
ipOutRequests [(10) RO]
The number of times a send request was
made for an IP datagram by a local IP user
protocol (any higher level protocol, including
ICMP). This counter does not include ipForw-
Datagrams.
Support-
ed
According to the stand-
ard.
ipOutDiscards [(11) RO]
The number of IP datagrams that could have
been sent without any problems, but were
discarded (for example, because of insuf
fi-
cient buf
fer space).
Support-
ed
According to the stand-
ard.
ipOutNoRoutes [(12) RO]
The number of IP datagrams that were dis-
carded because there was no transmission
path. This counter includes datagrams that
attempted to be sent through ipForwData-
grams, but were discarded because they
were set with no-route. This value indicates
the number of datagrams that could not be
transferred because the default gateway was
down.
Support-
ed
According to the stand-
ard.
ipReasmTimeout [(13) RO]
The maximum number of seconds to wait to
receive all IP datagrams for reassembly if a
fragmented IP datagram is received.
Support-
ed
60 s
ipReasmReqds [(14) RO]
The number of IP datagrams received that
require reassembly
. There is a flag in the IP
header that indicates if the datagram is frag-
mented. Y
ou can use that flag to identify frag-
ments.
Support-
ed
According to the stand-
ard.
11 SNMP Agent
11-9
NX-series EtherNet/IP Unit User's Manual (W627)
11-1 SNMP Agent
11
11-1-4 MIB Specifications