Expand Configuration and Management Manual (G06.24+)

Expand Modifiers
Expand Configuration and Management Manual—523347-008
17-8
CONNECTTYPE_ACTIVEANDPASSIVE/
CONNECTTYPE_PASSIVE
To determine if data compression should be set, you should examine the message
traffic character composition to assess its compressibility. For example, EDIT files do
not compress well, while structured files and object code compress an average of 20 to
50 percent.
If compressed data is received by an Expand line-handler process that does not have
compression configured, the data will still be decompressed. Therefore, it is not
mandatory that the COMPRESS_ON modifier be configured at both ends of a line.
In a FOX ring, compression does not occur for traffic passing directly from one cluster
to another within the same ring.
CONNECTTYPE_ACTIVEANDPASSIVE/
CONNECTTYPE_PASSIVE
Default: CONNECTTYPE_ACTIVEANDPASSIVE
Units: Not applicable
Range: ON or OFF
These modifiers are applicable to Expand-over-NAM, Expand-over-IP, Expand-over-
ATM, Expand-over-ServerNet, and Expand-over-FOX line-handler processes.
For Expand-over-NAM, Expand-over-ServerNet, and Expand-over-FOX line-handler
processes, the CONNECTTYPE_ACTIVEANDPASSIVE modifier indicates to the
network access method (NAM) that it should first issue call requests and then, if the
requests are unsuccessful, then wait for an incoming call request.
For Expand-over-IP and Expand-over-ATM line-handler processes, the
CONNECTTYPE_ACTIVEANDPASSIVE modifier indicates that the Expand-over-IP or
Expand-over-ATM line-handler process sends a Connect request; if the Connect
request is unsuccessful, then the Expand-over-IP or Expand-over-ATM line-handler
process waits for an incoming Connect request.
For Expand-over-NAM, Expand-over-ServerNet, and Expand-over-FOX line-handler
processes, the CONNECTTYPE_PASSIVE modifier causes the network access
method (NAM) to wait for incoming connect requests; the NAM will not initiate connect
requests.
For Expand-over-IP and Expand-over-ATM line-handler processes, the
CONNECTTYPE_PASSIVE modifier indicates that the Expand-over-IP or Expand-
over-ATM line-handler process will wait for incoming call requests; it will not initiate
connect requests.
If specified with AFTERMAXRETRIES_PASSIVE, the CONNECTTYPE_PASSIVE
modifier will revert to active connect mode. To get the line up in passive connect mode,
add the AFTERMAXRETRIES_DOWN modifier.