Expand Configuration and Management Manual (G06.24+)

Configuring Expand-Over-ServerNet Lines
Expand Configuration and Management Manual—523347-008
12-13
Profile Modifiers
For the next steps, such as installing a new cluster, migration, or adding a node, see
the ServerNet Cluster Manual or the ServerNet Cluster 6780 Planning and Installation
Guide .
Profile Modifiers
This subsection lists the modifiers provided for configuring special features. It also
describes default values and value ranges for all the modifiers contained in the
PEXPSSN profile.
Modifiers for Special Features
The L4CONGCTRL_ON modifier is provided in the PEXPSSN profile to enable you to
configure the congestion control feature. For configuration considerations for this
feature, refer to Section 18, Subsystem Description. For information about the
advantages and disadvantages of this feature, refer to Section 3, Planning a Network
Design. The L4CONGCTRL_ON modifier is described in detail in Section 17, Expand
Modifiers.
PEXPSSN Modifiers
The disk file $SYSTEM.SYSnn.PEXPSSN defines modifiers for Expand-over-ServerNet
line-handler processes.
Table 12-2 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. For a
complete description of the modifiers listed in this table, refer to Section 17, Expand
Modifiers.
Note. The multipacket frame and variable packet size features are not supported on Expand-
over-ServerNet connections.
Table 12-2. PEXPSSN Modifiers for Expand-over-ServerNet Lines (page 1 of 2)
Modifier Default Value Range of Values
AFTERMAXRETRIES_DOWN
AFTERMAXRETRIES_PASSIVE 3
ASSOCIATEDEV
1
$ZZSCL Any 8-character string
COMPRESS_OFF
COMPRESS_ON 3
CONNECTTYPE_ACTIVEANDPASSIVE 3
CONNECTTYPE_PASSIVE
EXTMEMSIZE 8192 0 through 32767
FRAMESIZE 132 64 through 2047