Use the Profile IPv4 Configuration table to display operating characteristics of
the IPv4 layer of the TCP/IP stack as specified in the IPCONFIG statement.
ARP Timeout
ARP cache timeout in seconds.
A valid value is an integer.
Checksum Offload
Indicates whether the stack should offload inbound and outbound checksum processing
(IP header, TCP, and UDP checksums) for IPv4 packets to OSA-Express features.
Possible values for this attribute include:
- 0 = NOCHECKSUMOFFLOAD - TCP/IP performs the checksum processing
- 1 = CHECKSUMOFFLOAD - TCP/IP offloads checksum processing to the OSA-Express
feature
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOCHECKSUMOFFLOAD
- 1 = CHECKSUMOFFLOAD
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
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
Device Retry Duration
Device retry duration in seconds.
A valid value is an integer.
Dynamic XCF Address
Dynamic XCF IP address.
A valid value is a string of up to 15 characters.
Dynamic XCF Mask
Dynamic XCF number of mask bits.
A valid value is an integer.
Dynamic XCF Metric
Dynamic XCF metric.
A valid value is an integer.
Dynamic XCF Security Class
Dynamic XCF security class.
A valid value is an integer.
A value of 0 indicates "n/a".
Dynamic XCF Status
Configured XCF support status.
Possible values for this attribute include:
- 0 = NODYNAMICXCF - XCF dynamic support is not enabled
- 1 = DYNAMICXCF - XCF dynamic support is enabled for IPv4
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NODYNAMICXCF
- 1 = DYNAMICXCF
Format
Format of the command output.
This value is only meaningful when IPv6 is not configured. Possible values for this
attribute include:
- 0 = SHORT - Command output is displayed as if it could only contain
an IPv4 address
- 1 = LONG - Command output is displayed as if it could contain an IPv6
address
A valid value is an integer. Values appear on the workspace as follows:
IGNOREREDIRECT
Reason ignore redirect actual is set.
Possible values for this attribute include:
- 0 = Not Configured - When an ICMP redirect is received the original
route is deleted and replaced by the redirect
- 1 = Configured - IGNOREREDIRECT is specified in the IPCONFIG section
of the PROFILE dataset
- 2 = Set by OMPROUTE - If IPv4 interfaces are configured to OMPROUTE,
IGNOREREDIRECT is automatically enabled
- 2 = Set by IDS Policy - An IDS policy is defined to detect and discard
ICMP redirects, IGNOREREDIRECT is automatically enabled
A valid value is an integer. Values appear on the workspace as follows:
- 0 = Not Configured
- 1 = Configured
- 2 = Set by OMPROUTE
- 3 = Set by IDS Policy
IP Forwarding
Configuration of how IP packets that are received by, but not addressed to, the stack
are forwarded.
Possible values for this attribute include:
- 0 = NODATAGRAMWD - Forwarding of IP packets is disabled
- 1 = NOFWDMULTIPATH - Forwarding of IP packets uses the first active
equal-cost route to the destination
- 2 = FWDMULTIPATH_PERPACKET - Forwarding of IP packets uses a round
robin-basis for selecting equal-cost routes to the destination
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NODATAGRAMFWD
- 1 = NOFWDMULTIPATH
- 2 = FWDMULTIPATH PERPACKET
IPv4 Security Enabled
Indicates whether IPv4 IP filtering and IPv4 IPSec tunnel support has been
configured.
A valid value is an integer. Values appear on the workspace as follows:
IQDIO Routing
Indicates whether inbound packets that are to be forwarded by this TCP/IP stack should
be routed directly between a HiperSockets device and an OSA-Express device in QDIO
mode.
Possible values for this attribute include:
- 0 = NOIQDIOROUTING - Packets are processed and routed by the TCP/IP
stac
- 1 = IQDIOROUTING - Packets are processed and routed between a HiperSockets
device and an OSA-Express device in QDIO mode
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOIQDIOROUTING
- 1 = IQDIOROUTING
Multipath Routing
The configured multipath routing selection algorithm for outbound IP traffic.
Possible values for this attribute include:
- 0 = NOMULTIPATH - TCP/IP uses the first active equal-cost route found
to send each IP packet
- 1 = PERCONNECTION - After a round-robin route is selected, connection
or connectionless oriented IP packets using the same association always use the same
route, as long as that route is active
- 2 = PERPACKET - Connection or connectionless oriented IP packets using
the same source and destination address pair do not always use the same route, but
do use all possible active routes to that destination host
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOMULTIPATH
- 1 = PERCONNECTION
- 2 = PERPACKET
Origin Node
The unique identifier for the TCP/IP stack being displayed.
A valid value is a string of up to 32 characters.
Path MTU Discovery
Indicator for path MTU discovery support.
Possible values for this attribute include:
- 0 = NOPATHMTUDISCOVERY - TCP/IP will not provide path MTU (PMTU) discovery
support
- 1 = PATHMTUDISCOVERY - TCP/IP will dynamically discover the PMTU,
which is the smallest MTU of all the hops in the path
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOPATHMTUDISCOVERY
- 1 = PATHMTUDISCOVERY
Primary Interface
Primary interface name.
A valid value is a string of up to 16 characters.
QDIO Accelerator
Indicates whether inbound packets that are to be forwarded by this TCP/IP stack should
be routed directly between any of the following interface types:
- Two HiperSockets interfaces
- A HiperSockets interface and an OSA-Express QDIO interface
- Two OSA-Express QDIO interfaces
Possible values for this attribute include:
- 0 = NOQDIOACCELERATOR - Packets are processed and routed by the TCP/IP
stac
- 1 = QDIOACCELERATOR - Packets are processed and routed through one
of the interface combinations listed above
.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOQDIOACCELERATOR
- 1 = QDIOACCELERATOR
QDIO Priority
QDIO Priority for IQDIO routing or QDIO accelerator.
A valid value is an integer.
Reassembly Timeout
Reassembly timeout in seconds.
A valid value is an integer.
Segmentation Offload
Indicates whether the stack should offload TCP segmentation for IPv4 packets to OSA-Express
features.
Possible values for this attribute include:
- 0 = NOSEGMENTATIONOFFLOAD - TCP segmentation is performed by the TCP/IP
stack
- 1 = SEGMENTATIONOFFLOAD - TCP segmentation is offloaded to the OSA-Express
feature
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOSEGMENTATIONOFFLOAD
- 1 = SEGMENTATIONOFFLOAD
SMC-D
Indicates whether the dynamically generated XCF HiperSockets interface can be used
for new TCP connections with Shared Memory Communications - Direct Memory Access
(SMC-D).
- 0 = NOSMCD - Dynamically generated XCF HiperSockets interface cannot
be used for new TCP connections with SMC-D
- 1 = SMCD - Dynamically generated XCF HiperSockets interface can be
used for new TCP connections with SMC-D
A valid value is an integer. Values appear on the workspace as follows:
Source VIPA
Determines whether the virtual IP address in the HOME list is to be used as the source
IP address for outbound datagrams.
Possible values for this attribute include:
- 0 = NOSOURCEVIPA - TCP/IP is not requested to use the corresponding
virtual IP address as the source IP address for outbound datagrams
- 1 = PATHMTUDISCOVERY - TCP/IP will dynamically discover the PMTU,
which is the smallest MTU of all the hops in the path
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOSOURCEVIPA
- 1 = SOURCEVIPA
Source VIPA Address
TCP source VIPA address.
A valid value is a string of up to 15 characters.
Source VIPA Interface
Source VIPA interface name.
A valid value is a string of up to 16 characters.
Sysplex Name
The name of the sysplex that this LPAR is a member of.
A valid value is a string of up to 8 characters.
Sysplex Routing
Indicates whether the TCP/IP host is part of an MVS sysplex domain and should communicate
interface changes to the workload manager (WLM).
Possible values for this attribute include:
- 0 = NOSYSPLEXRouting - TCP/IP host is not part of an MVS sysplex domain
- 1 = SYSPLEXRouting - TCP/IP host is part of an MVS sysplex domain
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOSYSPLEXRouting
- 1 = SYSPLEXRouting
System ID
The System Management Facility (SMF) system identifier for the z/OS system where the
OMEGAMON for Networks monitoring agent collected the data.
A valid value is a string of up to 4 characters.
TCP Stack Source VIPA
Indicates whether TCP/IP uses the stack-level IP address as the source address for
outbound TCP connections.
Possible values for this attribute include:
- 0 = NOTCPSTACKSOURCEVIPA - TCP/IP won't use a stack-level IP address
as the source address for outbound TCP connections
- 1 = TCPSTACKSOURCEVIPA - TCP/IP uses a stack-level IP address as the
source address for outbound TCP connections
A valid value is an integer. Values appear on the workspace as follows:
- 0 = NOTCPSTACKSOURCEVIPA
- 1 = TCPSTACKSOURCEVIPA
TCPIP STC Name
The TCP/IP started task name.
A valid value is a string of up to 8 characters.
TTL
Time to live.
A valid value is an integer.