Expand Configuration and Management Manual (G06.24+)

Expand Modifiers
Expand Configuration and Management Manual—523347-008
17-22
RSIZE n
RSIZE n
Default: None
Units: Not applicable
Range: 0 through 186
This required modifier specifies the time factor of the line for the Expand routing
algorithm. RSIZE must always be set to 1 for $NCP and set to 0 for the path device of
a multi-line path.
Starting with G06.20, you can use the new parameters, LINETF n and PATHTF n, to
set values for lines that will override all other parameters in calculating time factors.
Either RSIZE, SPEED, SPEEDK, LINETF, or PATHTF must be set or the line handler
will display a configuration error. If LINETF, PATHTF, SPEED, or SPEEDK are set, any
RSIZE value is ignored.
To change the line time factor with the ALTER LINE command, use the LINETF
modifier. Refer to Setting Time Factors on page 18-23 for more detailed information
about establishing time factors.
RXWINDOW n
Default: 7
Units: Packets
Range: 2 through 15 for all line types
This modifier is applicable to all Expand line types.
For Expand-over-NAM, Expand-over-ServerNet, and Expand-over-FOX line-handler
processes, this modifier specifies the number of packets that the network access
method (NAM) process can send to the Expand line-handler process before requiring
acknowledgment.
For Expand-over-IP and Expand-over-ATM line-handler processes, this modifier is
meaningless but is kept for commonality between the line types. For example, because
an Expand-over-IP line-handler processes uses QIO to communicate with its
associated NonStop TCP/IP process, the Expand-over-IP line-handler process must
read all the messages on its receive queue at one time; it cannot limit the number of
messages read to the RXWINDOW modifier value because of QIO limitations.
SPEED n
Default: 0
Units: bits per second (bps)
Range: 0 or 1200 through 224000
This modifier provides a way of creating the time factor, and has a maximum value of
224,000. Its use is no longer recommended.
Starting with G06.20, you can use the new parameters, LINETF n and PATHTF n, to
set time factors for lines that will override all other parameters in calculating time