TS Supplement (Includes RFC-1006 Support)

OSI/AS SCF Commands Changed to Support RFC-1006

RFC-1006 Changes to the SCF, SPI, and PTrace Subsystems

107751 Tandem Computers Incorporated 3–23

TPDUSIZE (ZTPDU-SIZE)

specifies, in bytes, the maximum length of a TPDU.

The TPDU size is negotiated between transport peers. The calling transport entity

proposes a TPDU size in the CR-TPDU. The called transport entity compares this

proposed value with its own value and specifies the smaller of the two values as

the negotiated value in the CC-TPDU sent to the calling transport entity.

If the transport entity does not specify a TPDU size in either the CR- or CC-TPDU,

the peer transport entity assumes that 65531 has been proposed/negotiated and

compares that value (65531) to its own value.

Use the INFO SU command to see the value of the configured TPDUSIZE. Use the

STATUS SU command to see the actual TPDUSIZE used when the connection was

established.

Value: 128 | 256 | 512 | 1024 | 2048 | 4096 | 8192 | 16384 | 32768 | 65531

Default: 512

Note The OSI/AS MAXCONNECTIONS attribute can restrict the size of the SPDU sent to OSI/TS. Specifying a

smaller value for MAXCONNECTIONS allows the TAPS process to send larger SPDUs. Both the

Tandem OSI/AS SCF Reference Manual and the Tandem OSI/AS Configuration and Management

Manual discuss the MAXCONNECTIONS attribute in more detail.