o  address tower-set
    Number of the destination for loopback messages, in the form
    of a protocol tower. Specify either this argument or the name
    argument.
 o  count integer
    Default: 1             Value: 0-4294967295
    Number of loop messages to be sent to the loop mirror. The test
    is complete when this number of loop messages has been reflected
    back by the loop mirror.
 o  format hex-string
    Default: 55            Value: 00-FF
    Content of the data field of a loop message. Enter a pair of
    hexadecimal digits. Each octet in the data field of a loop
    message has this value.
 o  length integer
    Default: 40            Value: 0-65534
    Length, in octets, of the data field in each loop message.
 o  name full-name
    DNS name of the node to which loopback messages are sent. Specify
    either this argument or the address argument, but not both.