This database file contains system-wide TCP/IP data.
There is one record per collection interval.
Note: 
The
TCP/IP performance data includes data for both for Internet Protocol version
4 (IPv4) and Internet Protocol version 6 (IPv6).
The
TCP/IP performance data includes data for both for Internet Protocol version
4 (IPv4) and Internet Protocol version 6 (IPv6).| Field Name | Description | Attribute |
|---|---|---|
| INTNUM | Interval number: The nth sample interval based on the start time specified in the Create Performance Data (CRTPFRDTA) command. | PD (5,0) |
| DTETIM | Interval date (yymmdd) and time (hhmmss). The date and time of the sample interval. | C (12) |
| INTSEC | Number of seconds TCP/IP was active in this sample interval. | PD (7,0) |
| DTECEN | Century digit. | C (1) |
| TCDIRV | Number of input datagrams received from interfaces, including those received in error. | PD (15,0) |
| TCDIHE | Number of input datagrams discarded due to errors in their IP headers. | PD (11,0) |
| TCDIAE | Number of input datagrams discarded due to an address that is not valid in the IP headers. | PD (11,0) |
| TCDIUP | Number of input datagrams discarded due to unknown or unsupported protocol. | PD (11,0) |
| TCDIDS | Number of input datagrams discarded due to other problems (for example, lack of buffer space). | PD (11,0) |
| TCDIFW | Number of datagrams forwarded, including Source-Routed through this system. | PD (15,0) |
| TCDIDL | Number of input datagrams successfully delivered to IP user-protocols (including ICMP). | PD (15,0) |
| TCDOTR | Number of datagrams which IP user-protocols supplied for transmission (including ICMP). | PD (15,0) |
| TCDONR | Number of output datagrams discarded because no route was found to transmit them to their destination. | PD (11,0) |
| TCDODS | Number of output datagrams discarded due to other problems (for example, lack of buffer space). | PD (11,0) |
| TCASMR | Number of IP fragments received which needed reassembly. | PD (15,0) |
| TCASMS | Number of datagrams successfully reassembled. | PD (15,0) |
| TCASMF | Number of failures detected by the reassembly algorithm. | PD (11,0) |
| TCFRGS | Number of datagrams successfully fragmented. | PD (15,0) |
| TCFRGF | Number of fragmentation failures. | PD (11,0) |
| TCFRGN | Number of datagram fragments generated. | PD (15,0) |
| TCAOPN | Number of times TCP connections made a transition from CLOSED state to SYN-SENT state. | PD (11,0) |
| TCPOPN | Number of times TCP connections made a transition from LISTEN state to SYN-RCVD state. | PD (11,0) |
| TCFOPN | Number of times TCP connection establishment attempts failed. | PD (11,0) |
| TCCRST | Number of times TCP connection was reset. | PD (11,0) |
| TCSGRV | Number of TCP segments received. | PD (15,0) |
| TCSGTR | Number of TCP segments sent. | PD (15,0) |
| TCSGRT | Number of TCP segments retransmitted. | PD (11,0) |
| TCSGER | Number of TCP segments received in error. | PD (11,0) |
| TCUDRV | Number of UDP datagrams delivered to UDP users. | PD (15,0) |
| TCUDTR | Number of UDP datagrams sent. | PD (15,0) |
| TCUDNP | Number of received UDP datagrams for which there was no application on the destination port. | PD (11,0) |
| TCUDER | Number of received UDP datagrams that could not be delivered for other reasons. | PD (11,0) |
| TCICRV | Number of ICMP messages received. | PD (15,0) |
| TCICTR | Number of ICMP messages which were attempted to be sent. | PD (15,0) |
| TCICIE | Number of received ICMP messages that had ICMP-specific errors. | PD (11,0) |
| TCICOE | Number of ICMP messages that were not sent due to ICMP-specific problems. | PD (11,0) |