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Appendices
TCP-MIB (RFC 2012)
tcpActiveOpens The number of times TCP connections have made a direct
transition to the SYN-SENT state from the CLOSED state.
tcpPassiveOpens The number of times TCP connections have made a direct
transition to the SYN-RCVD state from the LISTEN state.
tcpAttemptFails The number of times TCP connections have made a direct
transition to the CLOSED state from either the SYN-SENT state
or the SYN-RCVD state, plus the number of times TCP
connections have made a direct transition to the LISTEN state
from the SYN-RCVD state.
tcpEstabResets The number of times TCP connections have made a direct
transition to the CLOSED state from either the ESTABLISHED
state or the CLOSE-WAIT state.
tcpCurrEstab The number of TCP connections for which the current state is
either ESTABLISHED or CLOSE- WAIT.
tcpInSegs The total number of segments received, including those received
in error.
tcpOutSegs The total number of segments sent, including those on current
connections but excluding those containing only retransmitted
bytes.
tcpRetransSegs The total number of segments retransmitted - that is, the number
of TCP segments transmitted containing one or more previously
transmitted bytes.
UDB-MIB (RFC 2013)
udpInDatagrams The total number of UDP datagrams received and delivered to
UDP users.
udpNoPorts The total number of received UDP datagrams for which there was
no application at the destination port.
udpInErrors The number of received UDP datagrams that could not be
delivered for reasons other than the lack of an application at the
destination port.
udpOutDatagrams The number of sent UDP datagrams.
SNMPv2-MIB
snmpInPkts The number of messages delivered to the SNMP Agent.
snmpInBadVersions The total number of SNMP messages which were delivered to the
SNMP Agent and were for an unsupported SNMP version.
snmpInBadCommunityNames The total number of SNMP messages delivered to the SNMP
Agent which used a unknown SNMP community name.
snmpInBadCommunityUses The total number of SNMP messages delivered to the SNMP
Agent which represented an SNMP operation which was not
allowed by the SNMP community named in the message.
snmpInASNParseErrs The total number of ASN.1 or BER errors encountered by the
SNMP Agent decoding received SNMP messages.
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