The trap is caused by the detection of station movement. The first two parameters are the IP Address and MAC Address of the station which was moved across the switch ports. The next parameter is the VLAN ID to which eSWMonMAC MAC Address has been classified.The next two parameters are the Group number and Port number within the switch where the station was originally (first) detected. The next two parameters are the Group number and Port number within the switch where the station was moved.