Cataloging a Named Pipes node adds an entry to the client's node directory that describes the remote node. This entry specifies the chosen alias (node_name), the remote server's workstation name (computer_name), and the instance (instance_name) that the client uses to access the remote DB2® server.
db2 => catalog npipe node node_name
db2 => remote computer_name instance instance_name
db2 => terminate
db2 => db2 catalog npipe node db2node remote server1 instance db2
db2 => terminate