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144 Chapter 5
Defining Connectivity Components
Overview
Overview
In order for the SNAplus2 node to communicate with other nodes, you
must configure connectivity with at least one adjacent node. A
connecting link can be configured to carry dependent traffic, independent
traffic, or both.You can have adapter cards for one or more link protocols
installed in your computer. Much of the information you need to enter to
configure connectivity depends on the link protocol you are using. The
remote node must also have an adapter card of the same type you choose.
For a list of the link protocols supported by SNAplus2, see “Defining
Ports, DLCs, and Connection Networks”.
To configure a link, you need to define a port as described in “Defining
Ports, DLCs, and Connection Networks”. In addition (in most cases), you
must configure a link station as described in “Defining Link Stations”.If
LUs on the local node are to communicate with a host using DLUR, you
must also define a DLUR PU on the local node as described in “Defining
DLUR PUs”.
When using the Motif administration program, a data link control (DLC)
is automatically configured as part of the configuration for the port. In
addition, you have the option of defining the port as part of a connection
network. When using command-line configuration, this configuration is
separate from port configuration.The information required for link
configuration depends on the link protocol, whether your network is an
APPN network, and on whether the link is for dependent traffic,
independent traffic, or both. In addition, the links that you need to
configure depend on what kind of communication you need to support:
Using 3270, RJE, or LUA
If you are going to use 3270, RJE, or LUA you need to
configure a link to the host computer. The link must be
configured for dependent traffic, and it must be
configured on the host computer as well as on the
SNAplus2 node, so consult your SNA network planner.
Using CPI-C, 5250, or APPC
If you are going to use CPI-C, 5250, or APPC and your
network is not an APPN network, you need to configure
links to all the adjacent nodes that you want to access.
These links must be configured for independent traffic,