Use the TCP Connections Shared Memory Communications attributes to display status
and identifying SMC information for a specific TCP connection.
Agent STC Name
The OMEGAMON for Networks on z/OS started task name.
The default is IBMN3.
A valid value is a string of up to 8 characters.
Application Name
The job name associated with the application address space that opened and bound
the socket.
A valid value is a string of up to 8 characters.
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
Hex Connection Number
The hexadecimal representation of the connection number.
A valid value is an integer, displayed as a hexadecimal string.
Local IP Address
The local IP address for this connection.
A valid value is a string of up to 45 characters.
Local Port
The local port for this connection.
A valid value is an integer.
Local Port String
The local port for this connection as a string.
A valid value is a string of up to 5 characters.
Local SMC Buffer Size
The size, in KB, of the memory buffer used by the local host for receiving data on
this connection from the remote host.
A valid value is an integer.
Local SMC Link ID
Local SMC-R or SMC-D link id.
A valid value is an integer, displayed as a hexadecimal string.
LPAR Name
The name of the logical partition (LPAR).
If z/OS is running as a guest under VM, this field contains the VM user ID.
A valid value is a string of up to 8 characters.
Origin Node
The unique identifier for the TCP/IP stack being displayed.
A valid value is a string of up to 32 characters.
Peer Set SMC Reason
Indicates when the remote peer set the reason why Shared Memory Communication is
not being used for this connection.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 1 = No
- 2 = SMC-R
- 3 = SMC-D
- 5 = SMC-R and SMC-D
Reason No SMC-D
SMC-R or SMC-D reason code explains why the connection is not using an SMC-R or SMC-D
link.
When the Peer Set SMC reason attribute has the value SMC-R or SMC-D, see the peer's
documentation for an explanation.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 21250 (X'5302') = Route not SMC eligible
- 21254 (X'5306') = No storage for SMC negotiation
- 21255 (X'5307') = Connection uses IPSec
- 21256 (X'5308') = FRCA Server
- 21257 (X'5309') = Pascal application
- 21258 (X'530A') = NOSMC Port server
- 21260 (X'530C') = No prefix on interface
- 21261 (X'530D') = AUTOSMC detected workload
- 21262 (X'530E') = No active ISMs for the PNetID
- 21263 (X'530F') = Peer did not accept SMC-D request
- 21264 (X'5310') = SMC version mismatch
- 21265 (X'5311') = Mismatch SYSTEMEIDs for SMC-D
- 21266 (X'5312') = Destination in SMC Exclude list
- 21267 (X'5313') = Destination not in SMC Permit list
- 21269 (X'5315') = Peer did not include SMC option
- 21270 (X'5316') = Peer did not include SMC option
- 21282 (X'5322') = SMCv2 EID peer mismatch
- 21285 (X'5325') = Peer not enabled for SMC-Dv2
- 21286 (X'5326') = Lcl Stack not enabled for SMC-Dv2
- 22280 (X'5708') = Peer not reachable for SMC-D
- 22529 (X'5801') = SMC-D link terminating invld state
- 22531 (X'5803') = Insufficient virtual storage
- 22532 (X'5804') = SMCD FIXEDMEMORY limit reached
- 22533 (X'5805') = TCP connection limit reached
- 22534 (X'5806') = VLAN id not found
- 22537 (X'5809') = No qualifying active ISMs
- 22553 (X'5819') = Peer is out of synch
- 22558 (X'581E') = Peer subnet/prefix mismatch
- 22561 (X'5821') = Both peers on same endpoint
- 22562 (X'5822') = OSA PIF not in valid state
- 4294967295 (X'FFFFFFFF') = No reason obtained from peer
Reason No SMC-Dv2
The SMC-Dv2 reason code explains why the connection is not using an SMC-Dv2 link
when the SMC Status value is 1 (Inactive) or 2 (SMC-R active).
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 21250 (X'5302') = Route not SMC eligible
- 21254 (X'5306') = No storage for SMC negotiation
- 21255 (X'5307') = Connection uses IPSec
- 21256 (X'5308') = FRCA Server
- 21257 (X'5309') = Pascal application
- 21258 (X'530A') = NOSMC Port server
- 21260 (X'530C') = No prefix on interface
- 21261 (X'530D') = AUTOSMC detected workload
- 21262 (X'530E') = No active ISMs for the PNetID
- 21263 (X'530F') = Peer did not accept SMC-D request
- 21264 (X'5310') = SMC version mismatch
- 21265 (X'5311') = Mismatch SYSTEMEIDs for SMC-D
- 21266 (X'5312') = Destination in SMC Exclude list
- 21267 (X'5313') = Destination not in SMC Permit list
- 21270 (X'5316') = Peer did not include SMC option
- 21282 (X'5322') = SMCv2 EID peer mismatch
- 21285 (X'5325') = Peer not enabled for SMC-Dv2
- 21286 (X'5326') = Lcl Stack not enabled for SMC-Dv2
- 22280 (X'5708') = Peer not reachable for SMC-D
- 22529 (X'5801') = SMC-D link terminating invld state
- 22531 (X'5803') = Insufficient virtual storage
- 22532 (X'5804') = SMCD FIXEDMEMORY limit reached
- 22533 (X'5805') = TCP connection limit reached
- 22534 (X'5806') = VLAN id not found
- 22537 (X'5809') = No qualifying active ISMs
- 22553 (X'5819') = Peer is out of synch
- 22558 (X'581E') = Peer subnet/prefix mismatch
- 22561 (X'5821') = Peers reside on same endpoint
- 22562 (X'5822') = OSA PIF not in valid state
- 4294967295 (X'FFFFFFFF') = No reason obtained from peer
Reason No SMC-R
SMC-R or SMC-D reason code explains why the connection is not using an SMC-R or SMC-D
link.
When the Peer Set SMC reason attribute has the value SMC-R or SMC-D, see the peer's
documentation for an explanation.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 20499 (X'5013') = RDMA connectivity failure
- 20993 (X'5201') = SMC-R link terminating invld state
- 20995 (X'5203') = Insufficient virtual storage
- 20996 (X'5204') = SMCR FIXEDMEMORY limit reached
- 20997 (X'5205') = TCP connection limit reached
- 20998 (X'5206') = VLAN id not found
- 21001 (X'5209') = No qualifying active RNICs
- 21017 (X'5219') = Peer is out of synch
- 21022 (X'521E') = Peer subnet/prefix mismatch
- 21027 (X'5223') = SMC-R link activate time out
- 21249 (X'5301') = Peer did not accept SMC-R request
- 21250 (X'5302') = Route not SMC eligible
- 21251 (X'5303') = No active RNICs for the PNetID
- 21252 (X'5304') = Connection is local
- 21254 (X'5306') = No storage for SMC negotiation
- 21255 (X'5307') = Connection uses IPSec
- 21256 (X'5308') = FRCA Server
- 21257 (X'5309') = Pascal application
- 21258 (X'530A') = NOSMC Port server
- 21259 (X'530B') = Invalid MTU from peer
- 21260 (X'530C') = No prefix on interface
- 21261 (X'530D') = AUTOSMC detected workload
- 21266 (X'5312') = Destination in SMC Exclude list
- 21267 (X'5313') = Destination not in SMC Permit list
- 21268 (X'5314') = Lcl Stack not enabled for SMC-Rv1
- 21270 (X'5316') = Peer did not include SMC option
- 21281 (X'5321') = Lcl Stack not enabled for SMC-Rv2
- 21282 (X'5322') = SMC-Rv2 peer EID mismatch
- 21283 (X'5323') = SMC-Rv2 peer EID mismatch
- 21284 (X'5324') = Peer does not support SMC-Rv2
- 22531 (X'5803') = Insufficient virtual storage
- 22533 (X'5805') = TCP connection limit reached
- 22534 (X'5806') = VLAN id not found
- 22553 (X'5819') = Peer is out of synch
- 22558 (X'581E') = Peer subnet/prefix mismatch
- 22561 (X'5821') = Peers reside on same endpoint
- 4294967295 (X'FFFFFFFF') = No reason obtained from peer
Reason No SMC-Rv2
The SMC-Rv2 reason code explains why the connection is not using an SMC-Rv2 link
when the SMC Status value is 1 (Inactive) or 3 (SMC-D active).
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 20499 (X'5013') = RDMA connectivity failure
- 20993 (X'5201') = SMC-R link terminating invld state
- 20995 (X'5203') = Insufficient virtual storage
- 20996 (X'5204') = SMCR FIXEDMEMORY limit reached
- 20997 (X'5205') = TCP connection limit reached
- 20998 (X'5206') = VLAN id not found
- 21001 (X'5209') = No qualifying active RNICs
- 21017 (X'5219') = Peer is out of synch
- 21022 (X'521E') = Peer subnet/prefix mismatch
- 21027 (X'5223') = SMC-R link activate time out
- 21249 (X'5301') = Peer did not accept SMC-R request
- 21250 (X'5302') = Route not SMC eligible
- 21251 (X'5303') = No active RNICs for the PNetID
- 21252 (X'5304') = Connection is local
- 21254 (X'5306') = No storage for SMC negotiation
- 21255 (X'5307') = Connection uses IPSec
- 21256 (X'5308') = FRCA Server
- 21257 (X'5309') = Pascal application
- 21258 (X'530A') = NOSMC Port server
- 21259 (X'530B') = Invalid MTU from peer
- 21260 (X'530C') = No prefix on interface
- 21261 (X'530D') = AUTOSMC detected workload
- 21266 (X'5312') = Destination in SMC Exclude list
- 21267 (X'5313') = Destination not in SMC Permit list
- 21270 (X'5316') = Peer did not include SMC option
- 21281 (X'5321') = Lcl Stack not enabled for SMC-Rv2
- 21282 (X'5322') = SMC-Rv2 peer EID mismatch
- 21283 (X'5323') = SMCRv2 OSA has no SMCIPADDR RNIC
- 21284 (X'5324') = Peer does not support SMC-Rv2
- 4294967295 (X'FFFFFFFF') = No reason obtained from peer
Remote IP Address
The remote IP address for this connection.
A valid value is a string of up to 45 characters.
Remote Port
The remote port for this connection.
A valid value is an integer.
Remote Port String
The remote port for this connection as a string.
A valid value is a string of up to 5 characters.
Remote SMC Buffer Size
The size, in KB, of the memory buffer used by the remote host for receiving data
on this connection from the local host.
A valid value is an integer.
Remote SMC Link ID
Remote SMC-R or SMC-D link id.
A valid value is an integer, displayed as a hexadecimal string.
SMC EID
The SMC EID.
A valid value is a string of up to 32 characters.
SMC Reason Cached
Indicates when the reason why Shared Memory Communication is not being used for this
connection is from a prior attempt to negotiate SMC-R or SMC-D.
No attempt to use SMC-R or SMC-D was made for this connection due to previous failed
attempts. The reason given was the reason saved from when the last negotiation for
SMC failed. z/OS Communications Server may attempt to use SMC-R or SMC-D for future
connections.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 1 = No
- 2 = SMC-R
- 3 = SMC-D
- 5 = SMC-R and SMC-D
SMC Status
Indicates the status of Shared Memory Communication for this connection.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 1 = Inactive
- 2 = SMC-R active
- 3 = SMC-D active
SMC Version
The version of the SMC link.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = n/a
- 16 = SMCv1
- 32 = SMCv2
SMC-D Configured
Indicates whether or not SMC-D was configured.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 1 = Yes
- 2 = No
SMC-R Configured
Indicates whether or not SMC-R was configured.
A valid value is an integer. Values appear on the workspace as follows:
- 0 = <blank>
- 1 = Yes
- 2 = No
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.
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.
TCPIP STC Name
The TCP/IP started task name.
A valid value is a string of up to 8 characters.