KN3 OSA-Express5S/6S Ports Errors Attributes
Use the KN3 OSA-Express5S/6S Ports Errors attributes to monitor error and control data for individual ports on an OSA-Express5S/6S feature.
There can be two physical ports on each OSA channel path identifier, each with different data. When two ports are present, each one is assigned a separate ifIndex by the operating system. Each ifIndex contains the data for the corresponding port.
Alignment Errors The number of packets received during the most recent time interval with alignment errors (the packet is not an integer number of bytes in length). This field is not valid for 10 gigabit features and will be zero (0) for these devices. The format is an unsigned integer.
Channel Number The channel path identifier (CHPID) corresponding to this device. The format is a string of two hexadecimal characters. The name of this attribute is abbreviated Chan Num in the enhanced 3270 interface.
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
Frame Check Sequence Errors The number of frame check sequence errors during the latest collection interval. Frame check sequence (FCS) errors indicate that frames of data are being corrupted during transmission. FCS error count is the number of frames that were transmitted or received with a bad checksum (CRC value) in the Ethernet frame. These frames are dropped and not propagated onto other ports. Software flow control issues and partner point-to-point protocol (PPP) issues can contribute to function control sequence (FCS) errors. The format is a long, long integer. The name of this attribute is abbreviated Frame Check Seq Error in the enhanced 3270 interface.
Interface Index The interface index associated with this port. The format is a four-byte integer.
Jabber Frames Received The number of frames received by the OSA during the most recent time interval that passed address filtering, were greater than maximum size in length, and had a bad cyclic redundancy check (CRC). The format is a long, long integer. The name of this attribute is abbreviated Jabber Frames Recvd in the enhanced 3270 interface.
The maximum transmission unit (MTU) is the maximum packet size, in bytes, that can be sent on an interface. You can set the MTU size (as long as you stay within the limits and maximum values of the OSA) using TCP/IP profile statements. You can also set the parameters of the neighboring network interface card (NIC) and port (usually a port on a switch, but could be another OSA). For information about setting maximum size for OSA devices, see the IBM® z/OS® Communications Server: IP Configuration Reference.
Length Error Packets Received The number of length-error packets received by the OSA during the most recent time interval. A length error occurs if an incoming packet passes filter criteria, but is undersized or oversized. The format is a long, long integer. The name of this attribute is abbreviated Length Err Pkts Recvd in the enhanced 3270 interface.
No Free Buffer Space on NIC The number of times during the latest collection interval that a received packet came into the network interface controller (NIC), but the NIC had no free (available) buffer space to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated No Free Buffer NIC in the enhanced 3270 interface.
No Free Descriptors on LAN The number of times during the latest collection interval that a received packet came into the network interface controller (NIC), but the OSA driver had no free (available) descriptors to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated No Free Desc LAN in the enhanced 3270 interface.
No Free Descriptors on NIC The number of times during the latest collection interval that a received packet came into the network interface controller (NIC), but the NIC had no free (available) descriptors to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated No Free Desc NIC in the enhanced 3270 interface.
Origin Node The unique identifier for the TCP/IP stack being displayed. The format is an alphanumeric string no longer than 32 characters.
Oversized Frames Received The number of frames received by the OSA during the most recent time interval that passed address filtering and had a valid cyclic redundancy check (CRC), but were longer than the maximum size of 1522 bytes for operating-system embedded (OSE) non-queued direct I/O (non-QDIO) features or 16384 bytes for OSD queued direct I/O (QDIO) features. The format is a long, long integer. The name of this attribute is abbreviated Oversized Frames Recvd in the enhanced 3270 interface.
Port Name The name of the port as specified by the TCP/IP. The format is a 32-character alphanumeric string.
Port Number The physical port number for this port. The format is an integer.
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.
Total Alignment Errors The total number of packets received by the OSA since the last time the OSA port was reset with alignment errors (the packet is not an integer number of bytes in length). This field is not valid for 10 gigabit features and will be zero (0) for these devices. The format is a long, long integer.
Total Frame Check Sequence Errors The total number of frame check sequence errors on the OSA port. Frame check sequence (FCS) errors indicate that frames of data are being corrupted during transmission. FCS error count is the number of frames that were transmitted or received with a bad checksum (CRC value) in the Ethernet frame. These frames are dropped and not propagated onto other ports. Software flow control issues and partner point-to-point protocol (PPP) issues can contribute to function control sequence (FCS) errors. The format is a long, long integer.
Total Jabber Frames Received The number of frames received by the OSA since the last time the OSA port was reset that passed address filtering, were greater than maximum size in length, and had a bad cyclic redundancy check (CRC). The format is a long, long integer.
The maximum transmission unit (MTU) is the maximum packet size, in bytes, that can be sent on an interface. You can set the MTU size (as long as you stay within the limits and maximum values of the OSA) using TCP/IP profile statements. You can also set the parameters of the neighboring network interface card (NIC) and port (usually a port on a switch, but could be another OSA). For information about setting maximum size for OSA devices, see the IBM z/OS Communications Server: IP Configuration Reference. The name of this attribute is abbreviated Tot Jabber Frames Recvd in the enhanced 3270 interface.
Total Length Error Packets Received The number of packet length-error events received by the OSA since the last time the OSA port was reset. A length error occurs if an incoming packet passes filter criteria, but is undersized or oversized. The format is a long, long integer. The name of this attribute is abbreviated Tot Length Error Pkts Recv in the enhanced 3270 interface.
Total No Free Buffer Space on NIC The total number of times that a received packet came into the network interface controller (NIC), but the NIC had no free (available) buffer space to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated Tot No Free Buffer NIC in the enhanced 3270 interface.
Total No Free Descriptors on LAN The total number of times that a received packet came into the network interface controller (NIC), but the OSA driver had no free (available) descriptors to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated Tot No Free Desc LAN in the enhanced 3270 interface.
Total No Free Descriptors on NIC The total number of times that a received packet came into the network interface controller (NIC), but the NIC had no free (available) descriptors to load the packet into. The format is a long, long integer. The name of this attribute is abbreviated Tot No Free Desc NIC in the enhanced 3270 interface.
Total Oversized Frames Received The number of frames received by the OSA since the last time the OSA port was reset that passed address filtering and had a valid cyclic redundancy check (CRC), but were longer than the maximum size of 1522 bytes for operating-system embedded (OSE) non-queued direct I/O (non-QDIO) features or 16384 bytes for OSD queued direct I/O (QDIO) features. The format is a long, long integer. The name of this attribute is abbreviated Tot Oversized Frames Recvd in the enhanced 3270 interface.
Total Undersized Frames Received The number of frames received by the OSA during the most recent time interval that passed address filtering, were smaller than the minimum size of 64 bytes, and had a valid cyclic redundancy check (CRC). Packets shorter than 64 bytes must be padded and may indicate that the LAN is incorrectly configured and not performing up to capacity. The format is a long, long integer.
Undersized Frames Received The total number of frames received by the OSA that passed address filtering, were smaller than the minimum size of 64 bytes, and had a valid cyclic redundancy check (CRC). Packets shorter than 64 bytes must be padded and may indicate that the LAN is incorrectly configured and not performing up to capacity. The format is a long, long integer. The name of this attribute is abbreviated Undersized Frames Recvd in the enhanced 3270 interface.