| Name | Data Type | Default Value | Qualifiers |
| Name | Data Type | Value |
| ActiveOpenConnections | uint32 | |
| Counter | boolean | true |
| Description | string | The number of times TCP connections have made a direct transition to the SYN_SENT state from the CLOSED state. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpActiveOpens |
| AttemptsFails | uint32 | |
| Counter | boolean | true |
| Description | string | 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. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpAttemptFails |
| EstablishedConnections | uint32 | |
| Counter | boolean | true |
| Description | string | The number of TCP connections for which the current state is either ESTABLISHED or CLOSE_ WAIT. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpCurrEstab |
| EstablishedResets | uint32 | |
| Counter | boolean | true |
| Description | string | 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. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpEstabResets |
| PassiveOpenConnections | uint32 | |
| Counter | boolean | true |
| Description | string | The number of times TCP connections have made a direct transition to the SYN_RCVD state from the LISTEN state. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpPassiveOpens |
| ReceivedSegments | uint32 | |
| Counter | boolean | true |
| Description | string | The total number of segments received in error (e.g., bad TCP checksums). |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpInSegs |
| ReceivedSegmentsInError | uint32 | |
| Counter | boolean | true |
| Description | string | The total number of segments received in error (e.g., bad TCP checksums). |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpInErrs |
| RetransmittedSegments | uint32 | |
| Counter | boolean | true |
| Description | string | The total number of segments retransmitted - that is, the number of TCP segments transmitted containing one or more previously transmitted octets. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpRetransSegs |
| SentResetSegments | uint32 | |
| Counter | boolean | true |
| Description | string | The number of TCP segments sent containing the RST flag. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpOutRsts |
| SentSegments | uint32 | |
| Counter | boolean | true |
| Description | string | The total number of segments sent, including those on current connections but excluding those containing only retransmitted octets. |
| MappingStrings | string | MIB.IETF|TCP-MIB.tcpOutSegs |