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DEFINING THE PRINTER TO THE HOST: TCP/IP ATTACHMENT
E-12 XEROX DOCUPRINT 4050/4090 IPS INSTALLATION PLANNING GUIDE
Considerations for configuring TCP/IP
for MVS
Following are some considerations for configuring TCP/IP for MVS:
• To specify a TCP/IP address space name other than the
default, TCPIP, code the following EXEC statement in the
appropriate PSF writer procedure:
STEP01 EXEC PGM=APSPPIEP,
PARM=(,,,,tcpip_name), REGION=4096K
where tcp/ip_name is the name of the TCP/IP address space.
If this parameter is not coded, PSF uses the default name,
TCPIP. (For a full description of the PARM parameter, refer to
Print Services Facility/MVS: Diagnosis Guide and Reference.)
Table E-7. TCP/IP Profile dataset parameters – MVS
Item description Default
Source of
value
Range of
acceptable
values Comments Your value
DATABUFFERPOOLSIZE
Data buffers
160 Installation
preferences
7 to nnnn, where
nnnn is limited by
available virtual
storage
Specify at least
160 buffers.
DATABUFFERPOOLSIZE
Buffer size
16384 Installation
preferences
8192 49152
12288 65536
16384 98304
24576 131072
28672 196608
32768 262144
Specify a buffer
size of at least
32768, if
possible.
SMALLDATABUFFERPOOLSIZE 0 Installation
preferences
0 to nnnn, where
nnnn is limited by
available virtual
storage
Specify at least
256 small data
buffers.
TINYDATABUFFERPOOLSIZE 0 Installation
preferences
0 to nnnn, where
nnnn is limited by
available virtual
storage
Specify at least
256 tiny data
buffers.
KEEPALIVEOPTIONS Interval 120
sendgarbage
false
Installation
preferences
See Notes.
GATEWAY max_packet_size Defaultsize is
576
Installation
preferences
Can be from 576
to 67108864, but
cannot be larger
than value
specified on
LARGEENVE
LOPEPOOLSIZE
statement.
Max packet size
parameter
should be no
greater than
4472 bytes in a 4
Mbps LAN
configuration,
and 17800 in a
16 Mbps LAN
configuration.
Default MTU
value in IPS
printer is 2052.