Collection Services data files: QAPMTCP

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).
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)