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196 Chapter 7
Configuring APPC Communication
Defining Modes and Classes of Service
Command-line administration program
To define a mode, issue the following command:
define_mode
To change the default mode, issue the following
command:
define_defaults
To define a class of service, issue the following
command:
define_cos
Mode Configuration Parameters
The following parameters are required for mode configuration:
Name
The name of the mode you are defining. The mode
name is a string of 1–8 characters.
APPC applications that use this mode, including both
local and remote applications, may also use this name,
so check the name with your application developer (or
refer to your product documentation for a third-party
application).
Session limits
Use the following fields to specify session limits:
Initial session limit
The maximum number of sessions (up to the maximum
session limit) that a pair of LUs can have using this
mode, unless a different maximum is negotiated using
CNOS.
Normally, use the value 8 for this field. If you are in
doubt, consult your SNA network planner or APPC
application developer (or for a third-party application,
the product documentation).
Maximum session limit
The maximum number of sessions (up to 32,767)
permitted between a pair of LUs using this mode, even
with CNOS negotiation.