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Configuring SNA 9-25
Database
value will change. If
Y
, the
System Memory
value will change. Pressing
[F7]
after changing either set of values will propagate the change to the other set. (This
must be done at each screen, and affects only those parameters on that screen.)
Connections Parameters
Sq
is simply a sequence number to allow selection of a line in the display.
HSAP
is the service access point (SAP) address used to connect to the host. This must match
the SSAP (source SAP) in a frame received from the local LAN or the DSAP (desti-
nation SAP) in a frame from the remote link station.
Local Subscriber ID
is the subscriber address assigned to the local end of the SNA connection. If config-
uring an LLC2-to-SDLC link, this address must match the
Remote Subscriber ID
con-
figured in the SNA port record for the SDLC device. If configuring an LLC2-to-LLC2
connection, this address must match the
Remote Subscriber ID
in the remote node's
LLC2 Host record.
Remote Subscriber ID
is the subscriber address assigned to the remote end of the SNA connection. If config-
uring an LLC2-to-SDLC link, this address must match the
Local Subscriber ID
con-
figured in the SNA port record for the SDLC device. If configuring an LLC2-to-LLC2
connection, this address must match the
Local Subscriber ID
in the remote node's LLC2
Host record.
IDBLK
is used in conjunction with
IDNUM
in generating the Node field in an XID frame
(format 0 or 3) to establish a link station connection to the host. A further explanation
is provided under "
IDNUM
."
IDNUM
is used in conjuction with
IDBLK
in generating the Node field in an XID frame (format
0 or 3) to estblish a link station connection to the host. If both IDBLK and IDNUM
are set to
0
, the Node field of the XID will be provided by the attached SDLC device.
(The node will send an XID command to the remote node to indicate that the SDLC
device should be polled for an XID.)
Maxdata
must correspond to the PIU size configured on the host (parameter
MAXDATA
of macro
PU in VTAM). For a link between a PU type 4 and a PU type 2, the frame size con-
figured for the HPAD and TPAD SNA ports must be set at the value of MAXDATA
in VTAM plus 6 bytes (corresponding to the length of the link header and the link
trailer).
MaxIn
is the maximum number of sequentially numbered Information LPDUs that the link
station can have outstanding.