tcpConnectionTable
TCP-MIB ·
.1.3.6.1.2.1.6.19
Object
table
A table containing information about existing TCP connections. Note that unlike earlier TCP MIBs, there is a separate table for connections in the LISTEN state.
Syntax
No syntax metadata recorded.
Values & Constraints
No enumerated values or constraints recorded.
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| tcpRtoAlgorithm The algorithm used to determine the timeout value used for
retransmitting unacknowledged octets. | scalar | Enumeration | .1.3.6.1.2.1.6.1 |
| tcpInSegs The total number of segments received, including those
received in error. This count includes segments received
on currently established connections.
Discontinuities i… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.10 |
| tcpOutSegs The total number of segments sent, including those on
current connections but excluding those containing only
retransmitted octets.
Discontinuities in the value of this… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.11 |
| tcpRetransSegs The total number of segments retransmitted; that is, the
number of TCP segments transmitted containing one or more
previously transmitted octets.
Discontinuities in the… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.12 |
| tcpConnTable deprecated A table containing information about existing IPv4-specific
TCP connections or listeners. This table has been
deprecated in favor of the version neutral
tcpConnectionTable. | table | - | .1.3.6.1.2.1.6.13 |
| tcpInErrs The total number of segments received in error (e.g., bad
TCP checksums).
Discontinuities in the value of this counter are
indicated via discontinuities in the value of… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.14 |
| tcpOutRsts The number of TCP segments sent containing the RST flag.
Discontinuities in the value of this counter are
indicated via discontinuities in the value of sysUpTime. | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.15 |
| tcpHCInSegs The total number of segments received, including those
received in error. This count includes segments received
on currently established connections. This object is
t… | scalar | SNMPv2-SMICounter64 | .1.3.6.1.2.1.6.17 |
| tcpHCOutSegs The total number of segments sent, including those on
current connections but excluding those containing only
retransmitted octets. This object is the 64-bit
equivalent of tcpOut… | scalar | SNMPv2-SMICounter64 | .1.3.6.1.2.1.6.18 |
| tcpRtoMin The minimum value permitted by a TCP implementation for
the retransmission timeout, measured in milliseconds.
More refined semantics for objects of this type depend
on the algorit… | scalar | milliseconds Integer32 | .1.3.6.1.2.1.6.2 |
| tcpListenerTable A table containing information about TCP listeners. A
listening application can be represented in three
possible ways:
1. An application that is willing to accept both… | table | - | .1.3.6.1.2.1.6.20 |
| tcpRtoMax The maximum value permitted by a TCP implementation for
the retransmission timeout, measured in milliseconds.
More refined semantics for objects of this type depend
on the algorit… | scalar | milliseconds Integer32 | .1.3.6.1.2.1.6.3 |
| tcpMaxConn The limit on the total number of TCP connections the entity
can support. In entities where the maximum number of
connections is dynamic, this object should contain the
value -1. | scalar | Integer32 | .1.3.6.1.2.1.6.4 |
| tcpActiveOpens The number of times that TCP connections have made a direct
transition to the SYN-SENT state from the CLOSED state.
Discontinuities in the value of this counter are
ind… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.5 |
| tcpPassiveOpens The number of times TCP connections have made a direct
transition to the SYN-RCVD state from the LISTEN state.
Discontinuities in the value of this counter are
indicate… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.6 |
| tcpAttemptFails The number of times that 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 that
TCP … | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.7 |
| tcpEstabResets The number of times that TCP connections have made a direct
transition to the CLOSED state from either the ESTABLISHED
state or the CLOSE-WAIT state.
Discontinuities in… | scalar | SNMPv2-SMICounter32 | .1.3.6.1.2.1.6.8 |
| tcpCurrEstab The number of TCP connections for which the current state
is either ESTABLISHED or CLOSE-WAIT. | scalar | SNMPv2-SMIGauge32 | .1.3.6.1.2.1.6.9 |
Child Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| tcpConnectionEntry A conceptual row of the tcpConnectionTable containing
information about a particular current TCP connection.
Each row of this table is transient in that it ceases to
exist when (o… | row | - | .1.3.6.1.2.1.6.19.1 |