Running the "del Port" command when no Port is set returns an error. But
it is not necessary anyway since the later "set Port" command will
overwrite it.
set DeviceType dummy
set Mode switch
set Broadcast no
set DeviceType dummy
set Mode switch
set Broadcast no
set Address localhost
set Port 32751
start $r1
set Address localhost
set Port 32751
start $r1
set DeviceType dummy
set Mode switch
set Broadcast no
set DeviceType dummy
set Mode switch
set Broadcast no
set Address localhost
set Port 32758
EOF
set Address localhost
set Port 32758
EOF