Expand Configuration and Management Manual (H06.21+, J06.10+)

Configuring Expand-Over-ATM Lines
Expand Configuration and Management Manual — 529522-013
9 - 19
Modifiers for Special Features
L4EXTPACKETS_ON
Default: ON
Units: Not applicable
Range: ON or OFF
This modifier is required for the variable p
acket size and congestion control features
(see
L4CONGCTRL_ON and PATHPACKETBYTES n above). It is also required for
Expand line-handler processes that are part of multi-CPU path. The
L4EXTPACKETS_ON modifier is described in detail in Section 16, Expand Modifiers.
Modifiers for Special Features
In addition to the L4CONGCTRL_ON and PATHPACKETBYTES modifiers, the
SUPERPATH_ON modifier is provided in the PEXQSATM profile to enable you to
configure the Expand multi-CPU feature. The L4CWNDCLAMP modifier is provided in
the PEXQSATM profile to enable you to configure the congestion control transmit
window feature.
For configuration considerations for all special features, see Section 17, Subsystem
Description. For more information on the advantages and disadvantages of each
feature, see Section 3, Planning a Network Design.
The PATHBLOCKBYTES, PATHPACKETBYTES, L4CONGCTRL_ON,
SUPERPATH_ON, and L4CWNDCLAMP modifiers are described in detail in
Section 16, Expand Modifiers.
PEXQSATM Modifiers
The disk file $SYSTEM.SYSnn.PEXQSATM defines modifiers for single-line Expand-
over-ATM line-handler processes.
Table
9-1 lists the default value and range of values for each modifier in this profile, if
applicable. For modifiers that are mutually exclusive, a check mark (3) is shown in
the
“Default Value” column to indicate which modifier is present in the profile by default.
For a complete description of the modifiers listed in this table, see Section
16, Expand
Modifiers.
Table 9-1. PEXQSATM Modifiers for Expand-over-ATM Lines (page 1 of 3)
Modifier Default Value Range of Values
AFTERMAXRETRIES_DOWN
AFTERMAXRETRIES_PASSIVE 3
ASSOCIATEDEV
1
None Any 8-character string
ATMSEL
2
%H80 0 through %HFF
CALLTYPE_PVC
3
3
CALLTYPE_SVC
2