TCPIP Applications Attributes

Use the TCPIP Applications attributes to measure performance statistics for the TCP/IP applications that were active when the last sampling interval ended.

Accepted Connections The total number of connections that were accepted by this application during the most recent interval. The format is an integer. The name of this attribute is abbreviated Accepted Conns in the enhanced 3270 interface.

Active Connection High Water Mark The high-water mark (the highest value recorded for this listener in the active connections field) for active connections. The format is an integer. The name of this attribute is abbreviated Highest Conns in the enhanced 3270 interface.

Active Connections The number of current connections. The format is an integer. The name of this attribute is abbreviated Active Conns in the enhanced 3270 interface.

Application Name The job name associated with the application address space that opened and bound the socket. The format is an alphanumeric string no longer than 8 characters. The name of this attribute is abbreviated Job Name in the enhanced 3270 interface.

Application Type Indicates whether this application is a TN3270 server. A value of 1 indicates that the application is acting as a TN3270 Server. This value is stored as an integer and displayed as a string. Valid values are:

0 = Unknown
1 = TN3270_Server

Backlog Connections Rejected The total number of connections that were rejected during the most recent time interval because the backlog limit was exceeded before the application was able to accept the waiting connections. z/OS® Communications Server rejects a new connection when the number of connections waiting to be accepted exceeds the backlog limit for a listener. The format is an integer. The name of this attribute is abbreviated Backlog Rejected in the enhanced 3270 interface.

Backlog Connections Rejected Time Stamp The date and time that a connection was most recently rejected because the backlog limit was exceeded. The format of date and time is determined by the date and time formats specified in User Preferences. The time stamp reflects the time zone specified in User Preferences. This time is displayed in the following format:

mm/dd/yy hh:mm:ss (Tivoli Enterprise Portal) or yy/mm/dd hh:mm:ss (3270)

Where:

mm = Month
dd = Day of the month
yy = Year
hh = Hour
mm = Minute
ss = Seconds

This time is stored as a string no longer than 16 characters in the format CYYMMDDHHMMSSmmm (as in 1020315064501000 for 03/15/02 06:45:01) where:

C = Century (0 for 20th, 1 for 21st)
Y = Year
M = Month
D = Day
H = Hour
M = Minute
S = Second
m = Millisecond

When no connections have been rejected, this value is stored as a character string of zeros and displayed as blank. The name of this attribute is abbreviated Backlog Rejected Time Stamp, Backlog Rejected Date, or Backlog Rejected Time in the enhanced 3270 interface.

Byte Rate The number of bytes per minute transmitted to or sent from this application during the most recent time interval. The format is a long long integer.

Byte Rate_32 (Deprecated) The number of bytes (both sent and received), per minute, during the most recent time interval. The format is an integer.

Bytes Received The number of bytes received on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Bytes Received 32 (Deprecated) The number of bytes received on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Bytes Sent The number of bytes sent on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Bytes Sent 32 (Deprecated) The number of bytes sent on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Bytes Sent or Received The number of bytes sent or received on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Bytes Sent or Received 32 (Deprecated) The number of bytes sent or received on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Collection Time The time and date of the data sampling. This time is displayed in the following format:

mm/dd/yy hh:mm:ss (Tivoli Enterprise Portal) or yy/mm/dd hh:mm:ss (3270)

Where:

mm = Month
dd = Day of the month
yy = Year
hh = Hour
mm = Minute
ss = Seconds

The stored format is a string no longer than 16 characters in the format CYYMMDDHHMMSSmmm (as in 1020315064501000 for 03/15/02 06:45:01) where:

C = Century (0 for 20th, 1 for 21st)
Y = Year
M = Month
D = Day
H = Hour
M = Minute
S = Second
m = Millisecond

Connection Count The number of connections established for this application at the end of the most recent interval. This number represents the total number of TCP Connections, UDP Connections, and TCP Listeners associated with this application. The format is an integer. The name of this attribute is abbreviated Conn Count in the enhanced 3270 interface.

Connection Flood Indicates if this application is under a potential connection flood attack. A valid value is an integer. Values appear on the workspace as follows:

0 = <blank> 
1 = Yes 
2 = No

Connection Rate The number of connections that were accepted, per minute, during the most recent time interval. The format is an integer. The name of this attribute is abbreviated Conn Rate in the enhanced 3270 interface.

Connections in Backlog The current number of connections that are in backlog. Connections in backlog are waiting to be accepted. The format is an integer. The name of this attribute is abbreviated Conn in Backlog in the enhanced 3270 interface.

Connection Stalled Indicates if send data flow is stalled for one or more active connections. A valid value is an integer. Values appear on the workspace as follows:

0 = <blank> 
1 = Yes 
2 = No

Current Non SMC Connections Number of active connections to this server that are not using SMC. A valid value is an integer.

Datagram Rate The average number of datagrams (both sent and received), per minute, for this application during the most recent time interval. The average is derived by dividing all datagrams transmitted or received during the current interval by the size of the interval. The format is an integer.

Datagrams Discarded The number of received datagrams that were discarded because a receive queue limit was exceeded during the most recent interval. The format is an integer.

Datagrams Queued The number of datagrams that are in the read queue. The format is an integer.

Datagrams Received The number of datagrams received during the most recent time interval. The format is an integer.

Datagrams Sent The number of datagrams sent during the most recent time interval. The format is an integer.

Datagrams Sent or Received The total number of datagrams (both sent and received) during the most recent time interval. The format is an integer.

Delay ACK Indicates if one or more active connections are delaying ACKs to the peer. A valid value is an integer. Values appear on the workspace as follows:

0 = <blank> 
1 = Yes 
2 = No

Duplicate ACKs The number of duplicate ACKs received by the active connections to this application. A valid value is an integer.

Host Name The host name of the TCP/IP stack. The format is an alphanumeric string up to 255 characters in length.

Idle Time Since Last Accept The amount of time, in hours, that the server has been idle since the most recent connection was accepted. This value is stored in hundreds of an hour (for example, one hour is stored as 100) and displayed as a real number.The name of this attribute is abbreviated Idle Time in the enhanced 3270 interface.

LPAR Name The name of the logical partition (LPAR). A valid value is a string of up to 8 characters.

Non Secure Connections The current number of TCP connections for this application that have an AT-TLS status other than Secure. A valid value is an integer.

Origin Node The unique identifier for the TCP/IP stack being displayed. The format is an alphanumeric string no longer than 32 characters.

Out of Order Segments The number of TCP data segments received that did not contain the next expected sequence number during the most recent time interval. The format is an integer. The name of this attribute is abbreviated Segments OutOfOrder in the enhanced 3270 interface.

Percent Datagrams Discarded The percentage of received datagrams that was discarded because a receive queue limit was exceeded during the most recent time interval. The range for this value is from 0% to 100%. The name of this attribute is abbreviated % Datagrams Discarded in the enhanced 3270 interface.

Percent Non-Secure Connections The percentage of current TCP connections for this application that have an AT-TLS status other than Secure. A valid value is an integer.

Percent Out of Order Segments The percentage of segments received that did not contain the next expected sequence number during the most recent time interval. The range for this value is from 0% to 100%. The name of this attribute is abbreviated % Segs OutOfOrder in the enhanced 3270 interface.

Percent Secure Connections The percentage of current TCP connections for this application that have an AT-TLS status of Secure. A valid value is an integer.

Percent Segments Retransmitted The percentage of TCP segments that was retransmitted during the most recent time interval. The range for this value is from 0% to 100%. The name of this attribute is abbreviated % Segs Retrans in the enhanced 3270 interface.

Percent SMC-D Connections The percentage of current connections that are using SMC-D compared to Active Connections. A valid value is an integer.

Percent SMC-R Connections The percentage of current connections that are using SMC-R compared to Active Connections. A valid value is an integer.

Queued Datagram Bytes The number of data bytes that are in the datagrams in the read queue. The format is an integer.

Receive Byte Rate The number of bytes that was received, per minute, during the most recent time interval. The format is a long long integer.

Receive Byte Rate_32 (Deprecated) The number of bytes that was received, per minute, during the most recent time interval. The format is an integer.

Receive Datagram Rate The number of datagrams that was received, per minute, during the most recent time interval. The format is an integer.

Receive Segment Rate The number of segments that was received, per minute, during the most recent time interval. The format is an integer.

Retransmission Rate The number of segments that was retransmitted, per minute, during the most recent time interval. The format is an integer. The name of this attribute is abbreviated Retrans Rate in the enhanced 3270 interface.

Secure Connections The current number of TCP connections for this application that have an AT-TLS status of Secure. A valid value is an integer.

Segment Rate The number of segments (both sent and received), per minute, during the most recent time interval. The format is an integer.

Segments Received The number of segments received during the most recent time interval. This number includes the segments received on currently established connections and segments received in error. The format is an integer.

Segments Retransmitted The number of segments retransmitted during the most recent time interval. The format is an integer. The name of this attribute is abbreviated Segs Retrans in the enhanced 3270 interface.

Segments Sent The number of segments sent during the most recent time interval. This number includes the segments on current connections, and excludes those segments that contain only retransmitted octets. The format is an integer.

Segments Sent or Received The total number of segments that was sent or received during the most recent time interval. This number includes the segments on current connections, and segments received in error. This number excludes those segments that contain only retransmitted octets. The format is an integer.

Server Up Time The amount of time, in hours, that the listener has been active. The format is a real number.

SMC-D Connections The number of connections that this server has accepted that are using SMC-R during the most recent time interval. A valid value is an integer.

SMC-D Conn Rate The number of connections that this server has accepted that are using SMC-R during the most recent time interval. A valid value is an integer.

SMC-D Current Connections The number of active connections to this server that are using SMC-D. A valid value is an integer.

SMC-D Total Connections The total number of connections that this server has accepted that are using SMC-D. A valid value is an integer.

SMC-R Connections The number of connections that this server has accepted that are using SMC-R during the most recent time interval. A valid value is an integer.

SMC-R Conn Rate The number of connections that this server has accepted that are using SMC-R during the most recent time interval. A valid value is an integer.

SMC-R Current Connections Number of active connections to this server that are using SMC-R. A valid value is an integer.

SMC-R Total Connections The total number of connections that this server has accepted that are using SMC-R. A valid value is an integer.

Sysplex Name The name of the sysplex that the monitored system is part of. The format is a string of up to 8 characters.

System ID The SMF system ID. The format is an alphanumeric string no longer than 4 characters.

TCPIP STC Name The name of the TCP/IP job. The format is an alphanumeric string no longer than 8 characters.

Time Since Last Activity The amount of time, in seconds, since the most recent activity on any connection for this application that existed at the end of the most recent time interval. This value is stored in hundreds of a second (for example, one second is stored as 100) and displayed as a time value (for example, 4.17000s or 4m 20s).

Time stamp for Active Connections High Water Mark The date and time during which the value for the high-water mark (or highest value) was recorded. This time is displayed in the following format:

mm/dd/yy hh:mm:ss (Tivoli Enterprise Portal) or yy/mm/dd hh:mm:ss (3270)

Where:

mm = Month
dd = Day of the month
yy = Year
hh = Hour
mm = Minute
ss = Seconds

The stored format is a string no longer than 16 characters in the format CYYMMDDHHMMSSmmm (as in 1020315064501000 for 03/15/02 06:45:01) where:

C = Century (0 for 20th, 1 for 21st)
Y = Year
M = Month
D = Day
H = Hour
M = Minute
S = Second
m = Millisecond

When the application has had no active connections, this value is stored as a string of zeros and displayed as blank. The name of this attribute is abbreviated Time Stamp for Highest Conns, Time Highest Conns, or Date for Highest Conns in the Enhanced 3270 interface.

Total Backlog Connections Rejected The total number of connections rejected because the backlog limit was exceeded before the listener was able to accept the waiting connections. z/OS Communications Server rejects a new connection when the number of connections waiting to be accepted exceeds the backlog limit for a listener. The format is an unsigned integer. The name of this attribute is abbreviated Tot Backlog Rejected in the enhanced 3270 interface.

Total Bytes The total number of bytes sent or received on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Total Bytes (in GB) (Deprecated) The total number of bytes (both sent and received) on all connections that were active at the end of the most recent time interval for this application, divided by 1,073,741,824. When the value in the Total Bytes field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes (in GB) field and the remainder is stored in the Total Bytes field. The format is an integer.

Total Bytes 32 (Deprecated) The total number of bytes both received and sent on all connections that were active at the end of the most recent time interval for this application. When the value in the Total Bytes field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes (in GB) field and the remainder is stored in the Total Bytes field. The format is an integer.

Total Bytes Received The total number of bytes received on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Total Bytes Received (in GB) (deprecated) The total number of bytes received on all connections that were active at the end of the most recent time interval for this application, divided by 1,073,741,824. When the value in the Total Bytes Received field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes Received (in GB) field and the remainder is stored in the Total Bytes Received field. The format is an integer.

Total Bytes Received 32 (Deprecated) The total number of bytes received on all connections that was active at the end of the most recent time interval for this application. When the value in the Total Bytes Received field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes Received (in GB) field and the remainder is stored in the Total Bytes Received field. The format is an integer.

Total Bytes Sent The total number of bytes sent on all connections for this application that existed at the end of the most recent time interval. The format is a long long integer.

Total Bytes Sent (in GB) (deprecated) The total number of bytes sent on all connections that was active at the end of the most recent time interval for this application, divided by 1,073,741,824. When the value in the Total Bytes Sent field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes Sent (in GB) field and the remainder is stored in the Total Bytes Sent field. The format is an integer.

Total Bytes Sent 32 (Deprecated) The total number of bytes sent on all connections that was active at the end of the most recent time interval for this application. When the value in the Total Bytes Sent field exceeds 1,073,741,823 (1 GB), the number is divided by 1,073,741,824. The quotient is stored in the Total Bytes Sent (in GB) field and the remainder is stored in the Total Bytes Sent field. The format is an integer.

Total Conn Accepted The number of connections accepted by this listener during the most recent time interval. A valid value is an integer.

Total Datagrams The total number of datagrams received or sent on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Total Datagrams Received The total number of datagrams received on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Total Datagrams Sent The total number of datagrams sent on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Total Not SMC Connections The total number of connections that this server has accepted that are not using SMC. A valid value is an integer.

Total Out of Order Segments The total number of TCP data segments received that did not contain the next expected sequence number on all connections for this application that existed at the end of the most recent time interval. The format is an integer. The name of this attribute is abbreviated Tot Segs OutOfOrder in the enhanced 3270 interface.

Total Segments The total number of segments sent or received on all connections that were active at the end of the most recent time interval for this application. A valid value is a long long integer.

Total Segments 32 (Deprecated) The total number of segments sent and received on all connections for this application that existed at the end of the most recent time interval. The format is an integer.

Total Segments Received The total number of segments received on all connections that were active at the end of the most recent time interval for this application. A valid value is a long long integer.

Total Segments Received 32 (Deprecated) The total number of segments received on all connections that were active at the end of the most recent time interval for this application. A valid value is an integer.

Total Segments Retransmitted The total number of segments retransmitted on all connections for this application that existed at the end of the most recent time interval. The format is an integer. The name of this attribute is abbreviated Tot Segs Retrans in the enhanced 3270 interface.

Total Segments Sent The total number of segments sent on all connections that were active at the end of the most recent time interval for this application. A valid value is an integer.

Total Segments Sent 32 (Deprecated) The total number of segments sent on all connections that were active at the end of the most recent time interval for this application. A valid value is an integer.

Transmit Byte Rate The number of bytes that was transmitted, per minute, during the most recent time interval. The format is a long long integer.

Transmit Byte Rate 32 (Deprecated) The number of bytes that was transmitted, per minute, during the most recent time interval. The format is an integer.

Transmit Datagram Rate The number of datagrams that was transmitted, per minute, during the most recent time interval. The format is an integer.

Transmit Segment Rate The number of segments that was transmitted, per minute, during the most recent interval. The format is an integer.