HP-UX SNAplus2 R7 Administration Guide

Managing SNAplus2 Client/Server Systems
Managing Win16 Clients
This client is used to run invoked TPs (APPC TPs that issue RECEIVE_ALLOCATE, or CPI-C
applications that issue Accept_Conversation or Accept_Incoming). In this case, you may also need
to define the TP on this client. For more information, see Section 7.4,
Defining TPs or Appendix C,
Configuring an Invokable TP from the Command Line.
NO
This client is not used to run invoked TPs.
This line is optional. If it is not specified, the default is
NO.
lan_access_timeout
Specify the time in seconds for which the TCP/IP connection from the client to a server should be kept active
while no applications on the client are using SNAplus2 resources. For more information, see Section 11.1.2,
LAN Access Timeout.
The valid range is 0–65535. The minimum timeout is 60 seconds (lower values are rounded up to 60
seconds). To deactivate the TCP/IP connection more quickly, disable the NAP on the client.
This parameter is optional. If it is not specified, the default is no timeout, and the TCP/IP connection is kept
active as long as the NAP is running on the client.
broadcast_attempt_count
If the client uses the broadcast method to contact a server (specified by the * entry described in Section
11.3.3, Win16 Client Initialization File (sna.ini)), this parameter specifies the maximum number of broadcasts
to be made in one attempt to contact a server.
The valid range is 1–65535. The minimum value is 1; if a higher value is specified, the client retries every
10 seconds until it contacts a server or until this count is reached. If the count is reached without contacting
a server, the client then attempts to contact a named server (as described in Section 11.3.3, Win16 Client
Initialization File (sna.ini)).
This parameter is optional. If it is not specified, the default is 5.
server_lost_timeout
If the client loses contact with a server and needs to reconnect, or if it has failed to contact a server using
either broadcasts or named servers (as described in Section 11.3.3, Win16 Client Initialization File (sna.ini)),
this parameter specifies the time in seconds for which the client waits before attempting to contact a server.
If the client has lost contact with the server, SNAplus2 does not wait for the full timeout period, but retries
after a random period between 5 seconds and the specified timeout; this is to avoid bursts of network traffic
caused by large numbers of clients attempting to contact a server at the same time.
This parameter is optional. The valid range is 5–65535. If it is not specified, the default is 200 (seconds).
[Servers]
The [Servers] section of the file contains information about SNAplus2 configuration servers that the client
should contact to obtain configuration information. This list should contain the names of the master configuration
server and any backup servers in the same domain as the client. For information about configuring master and
backup servers, see Section 4.1, Configuring Client/Server Functions.
Server1
Enter an asterisk (*) or a server name:
• To indicate that the client should attempt to find a server running SNAplus2 by using a UDP broadcast
message to all computers on its TCP/IP subnet (or on all subnets that it can access, if the client computer
contains more than one LAN adapter card), specify *.
The client retries the broadcast every 10 seconds, up to the number of attempts specified by the broad-
cast_attempt_count parameter, until it contacts a server. If the limit specified by broadcast_attempt_count
is reached before a server has been contacted, the client then tries using directed messages to one or more
named servers (specified by the following lines of the file).
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