Name is the fullname of the node to which loopback messages are
sent. Specify either this argument or the Address argument, but
not both. Optional arguments are: format, length, count.
loop [node node-id] loopback application -
name full-name [,optional arguments...]
Examples:
loop loopback application name DOMAIN:LAMCHP.SCH.DEC.COM
loop loopback application name DEC:.SCH.LAMCHP
loop loopback application name LOCAL:.LAMCHP, length 80