Change the network attributes (Chicago) in three-system network

The Change Network Attributes (CHGNETA) command sets the attributes for the system within the network. The following attributes are defined for CHICAGO:

LCLNETID(APPN)
Specifies that the name of the local network is APPN. The remote locations (NEWYORK and LOSANGEL in the example, systems A and B in Figure 6) must specify this name as the remote network identifier (RMTNETID).
LCLCPNAME(CHICAGO)
Specifies that the name assigned to the local control point is CHICAGO. The remote system specifies this name as the remote control point name (RMTCPNAME) on the CRTCTLAPPC command.
LCLLOCNAME(CHICAGO)
The name of this location is CHICAGO. This name will be used for the device description that is created by the APPN support.
NODETYPE(*NETNODE)
Specifies that the local system (CHICAGO) is a networking node in the APPN network.