While detecting the managed device, the management station obtaining related information of {HEAD ~ the SSH host key} of the managed device in {TAIL ~ a UDP transport mode} 
While detecting the managed device , the management station obtaining related information of { HEAD ~ the SSH host key } of the managed device in { TAIL ~ a UDP transport mode }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL